STIHL CHAINSAW's Dirty Little Secret EXPOSED
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- เผยแพร่เมื่อ 10 ต.ค. 2019
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I started using chain saws when I was 15. That was 35 years ago. My grandpa and uncle were loggers and I was taught by them. First lesson, either run it until it's empty or let it cool down before removing fuel cap. Period. Same goes for any small engine equipment.
@H Sy 😂
I've spent most my childhood around saws and logging since about 5yrs old (giant wood beetles use to be my worst fear😄). Nowa days I just cut trees and limbs out in the yard occasionally. Even out there in my yard I run out of gas and need to refill the saw before it cools down, I'd imagine this isnt just a unique problem isolated to my yard and home use. Who waits for the saw to cool down every time they need to refuel🤔. I bet even Jason Vorhees got a bit of fuel in the eye every now and then💀
I’ve run a landscaping company in arizona for 35 years hundreds of refills a week and know hundreds of companies doing the same thing. If we had to wait for something to cool down or run completely out of fuel nobody would make any money and I’ve never heard of anything catching fire, blowing up when refilling ever.
@@moneyandtimefreedom3352 It's got nothing to do with health and safety, it's about making money. They're creating a problem that doesn't need fixing simply to cash in!
@N A Wow....great tip. Like a hot radiator cap
As an arborist, I have never refueled a saw while aloft, always refuel on the ground. I run all Stihl saws and never have problems with 1/4 turn caps. Most pressure I have gotten from taking a cap off was barely a wisp.
In my years of sawing wood, just let it run empty before refueling.
where is the money in that?
Just my 2 cents, but the initial effort should have been directed at finding out why a tiny percentage of those saws are building up pressure in the fuel tank to begin with and a gazillion of the same saws are not.
All my Stihl saws do this
The dilithium crystals cannot stand the strain!
I don't know what to say, I've been working with saws forever and neither myself or the hundreds of guys I fall with have ever heard of this. At least I've never heard them talk about this problem. We don't refuel until we're almost empty anyway so that may be why we don't get fuel sprayed on us.
I want one on my mower so I can feel like my zero turn is a NASCAR every time I fill up
Then you could pull over next to the house and have your wife run out and hand you a cool drink and fill the mower. Great idea!
And one of the kids could make impact noises 😂
I'd like to see you change 4 wheels in 6 seconds.
Cup or Xfinity?
A maintenance man says "if it ain't broke, don't fix it". An engineer says "if it ain't broke, there's not enough moving parts".
No you are supposed to take it apart and fix it anyways....
That's a good one, maybe that's why a engineer gets paid twice as much...........
Government motto. Find something simple and complicate it.
Hey! This old design worked flawlessly for over half a century and hurt basically no one. Let's change it for fake liability concerns until actual liability lawsuits get too big to deal with!
You know I could take offense at that remark.
9:47 "there's no way this can leak" as it leaks all over the place 😂 it's a nice idea but that was too funny.
Yeah :D I saw it to but those plastic gas canisters always leak at the cap, not the fault of the Motion Pro thing i think.
I was just about to post the same comment
Same
When your gas cap has more engineering hours than your saw.
good one
So true, Jeff 👍
Cody, the lock doesn't lock the dust cap, it locks the inner fill plunger in the closed (sealed) position just like you used the scrench to lock it in the open position for manual fueling. If you look at the bottom of the cap "lock" screw, it's a slotted screwdriver that lines up with the slot in the inner seal plunger. This is pretty common on aircraft and in other fields that need dustless and toolless locking under a cover. You don't want dirt from your tools polluting your fuel system and clogging up your filter.
“If an arborist is up in a tree and gets it in his eyes it could be dangerous “ Cody. My question is what arborist fuels their saw while they are in the tree.
I would say that its a 'plan for any scenario' kind of statement. You never know what kind of whacky things people get up to.
It could be a west coast thing
Exactly what I thought when he said that. Instantly went to the comment section to find this lol
I climb with fuel bottles as does my whole crew. Time is money. Some days a guy will spend the whole day in the tops, tranfering tree to tree without returning to the ground. I still think this fuel system is lame and unnecessary.
A lot of times i had to refuel at the top of a tree i just sent the chainsaw with a rope down to my co-worker who would send my secondary chainsaw to the top . This way i didnt put a lot of stress on my chaisaws allowing always one to cool down
I remember the old style screw type and they would do the same thing as the quarter turn. Remove them slowly. It solves the problem. Second I understand the need for safety when it comes to the fire service, or for anyone. Also depending on the spare fuel container you carry plastic melts around fire, the msr bottles they build pressure as well gotta remove the cap slowly sometimes, it’s splitting hairs before you had to remove the cap and pour fuel in, wasn’t an issue then. It’s a nice product them seem to have thought of just about everything but I think it’s just over complicating things. You never just remove a hot radiator cap right! Just my two cents to each there own.
If it's under extreme pressure but you can't tell, once you break that seal it's spraying. Doesn't matter how slow you open it. I've been using saws 30 years and was unaware of this potential hazard until 2 weeks ago. Surprise! Recovering from severe burns now. Nothing in the owner's manual about this.
@@class5bodyworks just got my first saw at 24.. I got sick of tasting gas and learned to slowly open the cap after running it hard. I've got the screw type cap too. So it doesn't matter
Easy solution put threaded caps back on the saw
The problem with threaded caps is they get tight and then you need you’re saw wrench to take it off and I don’t wanna have to go get that every time I wanna fuel up. I personally don’t have problems with the stihl gas caps now
@@romankevin3884 that is because the vapor lock and overfilling the tank..
@@romankevin3884 I carry a saw wrench in the pocket of my chaps all the time. I have two reasons. On my some of my saws I may need to unscrew the cap and second I've never had it happen to me, but it has happened to other guys. While bucking a large pine my buddy got his saw stuck. It was getting late and we were low on gas. So we used my saw wrench to unbolt the saw head from the bar and took it home so no one could steal it. I hate the new caps. I had one on the reservoir of a Stihl poll saw. I though and it looked like it was good. It wasn't and I spilled chain oil on the drive way of a friend. Personally I'd go back to the caps they used on my 031s and 045. They were molded with a tab on the top. If you got in a jam and couldn't unscrew it by hand a pair of pliers worked.
Michael Fresh yeah you do have a point but you will never see me wear Chaps and it would poke me in my pocket
I had this happen on a Stihl weedwacker with the threaded cap
I’ve had my MS250 since 2010. It has these 1/4 turn gas and bar oil fills. I’ve ran that saw hard and never once had this happen.
never had this happen, of course ive always ran it out of gas or close to it before i refueled.
I've been cutting my own firewood since I was 14. I'm 65 now and I have never had any of this problems.
Perhaps you don’t have a late model still?
@@chrisc9611 I have two late model saws and never had that problem.
My ms211c has this problem
Got an 039 Stihl. Fuel vent line came off. Not fun
I think its a problem specific to firefighting since they are running the saws in high heat environements. The way i understand it, the fuel starts to vaporize in the tanks and builds up a lot of pressure. I dont think its a problem for use outside of high heat environements
I was very impressed with this product and wish Motion Pro and future users every success. That said, I cannot understand that someone opens a fuel cap close to a motor so recklessly that a geyser has even a chance to erupt. The pressure is not that high and so it is not difficult to open it with the least bit of care preventing any accident to happen. Also, the mere talk of topping up a chain saw while it's running is utterly reprehensible to my sense of security. I certainly do not mean to look at guys doing this down my nose; I am more concerned that nobody taught them these essentials.
Calling guys on the fire line reckless rofl gg sten
@@mathewdasilva4421 some are sadly, to the detriment of others … Don’t be one of them. Serve carefully.
As well as "don't stand next to a fire while refilling your running chainsaw"! Someone needs to ensure the person training these people had not just an education, but the common sense enough to use what they learned. Book sense without common sense is useless.
Same thing with the new gas cans. What use to be $5 and worked fine, is now $20 and doesn't work. EPA and OSHA have made things 10x worse in the real world. Not to mention how they've ruined the diesel engine
Thats the EPA and OSHA doing what they are made to do: 1 step forward, 50 steps backward
I've seen a lot of guys spouting off stuff like "I've used the ones with the 1/4 turn caps for years professionally and never had this happen" and ok so you have, BUT just because you are doing this professionally does not mean a thing. It comes down to the way you use it. In a day to day job environment you are probably going to run your saw until it's empty then refill it in which case you would not have this problem. This becomes a problem for firefighters and other people who aren't going to have a fuel source at the ready whenever they need it so they will top off whenever they get the chance. Empty or not. If their saw isn't empty this is where the problem lies. So if you always run your saw dry you don't need this product but if you are in a situation where you have to fill when the opportunity arises because you don't want to run dry when lives are at stake then this is a great idea.
thats a good point! it doesnt ever happen if the saw is empty so the pros totally would think this is made up. this winter i will fill my saw in the cold then take it inside to let it warm and the take it outside and open it. if it happens you will get a gold star
mute8s m
Does anyone realize that the start of this problem. It was when CARB (California Air Resources Board) made it mandatory that all small engines may not vent fuel into the atmosphere. Again everyone must suffer because California says you need to.
THAT IS CALIFORNIA FOR YAH...??????
That would make sense as it wasn’t an issue w/ the cap but the fact that the saws used to have an internal vent that would allow the saw to vent pressure and thus when you flew on helicopters w/ the saws they would sometimes leak or they would leak fuel into the saw compartments on the rigs or the ground. Not much of a fire hazard to get burned because of it because it was so slight. Certainly Not like the geysering issue. Thus the anti pollution rule caused Stihl to make the saw a sealed system to meet regulations, plus the new cap can’t be cross threaded and leak fuel that way. This would be great.
Many small engines pressurize the tank to pump fuel
@@heathhunter5306 HP racing 2 cycles pressurize the tank to force more fuel into the combustion chamber, as the tuned pipe also pulls the fuel in.
@@bff1316 pressurized fuel is utilized to eliminate the need for an actual pump. All expansion chambers are tuned to match flow and return pulse delay time, to work within certain rpms. All exhaust has a pulse, though, tuned or not, and that is also a type of diaphragm pump, which can also use crank pulses. My biggest point is that tank pressure is just a fact of life on small engines, and being aware of it is 90%the problem, not just look for the first entity to blame...... that's also not to say that I dont think carb are morons, and EPA, while doing good, does some pretty stupid things as well.
I agree there needs to be a fix for this. I’m a stihl tech and alot of times just running saws enough to test them and do carb adjusts and such builds enough pressure to blow out a mist of gas when i open the tank. Havent ever had it blow out with enough pressure to push the cap out in its entirety, but its still a problem. Vaporized gas coming out of the tank is a huge problem and safety hazard. Ive had glass blow in my face quite a few times and if i didn’t wear glasses it probably would’ve gone into my eyes. Also a huge fire hazard like you were saying too. Needs to be a fix. Hopefully they will figure out a cheap fix soon.
Looks like the flat on the inside of the cap lines up with the flat blade screw inside the system? They both line up locking the cap? To lock twist to the right once both lined up.
That's what I was going to say I think they need to line up the inner with the outer lock cap. Exterior male slot to female recess inner.
I thought the exact same thing
exactly
Agreed.
How come we can see that on the vid and he cant? Took a second to figure that out. We will chalk it up to on-the-go video tapeing
I've got a at least a dozen Stihl saws, never once had a 'geiser' when opening the fuel cap. I've heard some pressure releasing but common sense tells most people to open it slowly with some caution if its hot and still full of gas.
I'll pass on a $100 fix to a non issue sort of problem. What happens down the road when the seals or orings in the special fill fitting or nozzle dry up? It looks like an even bigger mess than some vapor pressure in the tank.
Throw a rag over it and open slowly. Idk if wild land guys carry loose rags but the average guy has them and probably doesn't have $100, right?
as a normal user i could see where there would be no issue of a geiser but in my 13 years on a hotshot crew (lead saw for 5 years) i have personally experienced it twice and that was while cutting during 100 degree plus day and ran probably 6 tanks cutting hotline. Its very rare for a geiser to happen but they do.
Yep, used several Stihl with these caps and never ever an issue.
VB just text the same !!!
Never had the problem !- Altitude ?
I open when empty or near empty !
I do unscrew it n hear a little air suction ! But THEN I remove the cap ! 30+ years !!
Wrangler Guy should play w/ it first n try it out ! Then make a vid. ! 👨🚀🤠
Sadly some folks aren't smart enough to safely and successfully operate a fuel cap.
Most guys, myself included run their chainsaws until they run out of gas and stop running, so how is gas blowing out when it’s out of gas
I've never filled mine after running a half tank I just know about how many cuts I can get every tank fill equals a bar oil fill run it to empty . I have a ms250 an havent had that issue . The only issue I had was when I cleaned the air filter I put it back together started it an when I was done the cut off switch didnt work. But it's being fixed.
Mr. Anonymous ive had the same issue. Im a stihl tech and ive found some of the air filters/housings for the filters can push the metal piece that contacts the stop switch wire out of place and causes them to not come into contact with each other to complete the circuit and stop the saw. Also with alot of the saws ive worked on i find that when i open the gas caps this happens for me. Not necessarily strong enough pressure to blow off the cap entirely but enough where it gets on me and has blown in my face a few times.
@@nathanlorenz2950 yeah I cleaned the filter an put everything back together its started just couldnt cut it off
Every time you run your saw out of gas you're also running it out of it's lube oil, proper procedure is to refuel, re-oil and sharpen chain at every opportunity on fire line, running out of fuel while falling a burning tree can put crewmembers in danger.
@@explore7151 well I don't run it till it cuts off I just know how many cuts I can get till its damn near empty their is still fuel in it just not bone dry or a half a tank . On good size logs I can make 4 cuts smaller ones I'd say more like 8 then smaller than those it goes up but I dont run it till it cuts off .
Seems like it would be easier to make the fuel cap like a radiator cap. Soon as you lift the lock ring, it releases the pressure. This being said, I've never done hotshot cutting. I guess if your in the middle of a giant bonfire, it would be nice to not have fumes flying around. I've been running stihl saws for 28 years, and I've never experience this geiser effect. 🤷🏼♂️
That's a good idea. Twist to unlock, then only as you move the cap away from the tank is it allowed to vent.
I have never experienced it even hard about it and I have been running them over 30 years. I would assume the first day of class they told them not to stand at the edge of the fire line and refill your saw and set some kind of like 50-100 yard limit to how close you can have you fuel can to the fire or how close you can be and refill your saw. It doesn't seem to bright for then to be refilling their Saws close enough for it to be a problem. Any fuel spillage from either the guyser effect or plain accident should be far enough away to have evaporated by the time it could cause an issue.
Why didn't they put a small valve on the quarter turn cap?
Lift the handle, opening a valve, releasing the preasure.
That would be too smart for the engineers.
hey, they are not paid to come up with simple solutions
To easy has to be engineered to nasa standards.
Tom, time to get with a fabricator for someone with a 3D printer and make you a ton of money.
it would cause the same problem of gas spilling around. The moment you release pressure the air will seep some gas with it. If you would use a pressurereliefvalve with a fine sieve it could work.
Is it like gas vapors or something ? I just dont understand how an empty chainsaw can spew out gas, maybe it's because I am an east coast guy.
i am with you; i finish my tank!!!
Often times when a chainsaw runs out of gas (dies) there is still a little fuel in the tank just not enough for it to pick up
@@asdasd-ni8eg you should wear safety glasses
@@asdasd-ni8eg in all my years cutting i have never got a drip in the eye i would be more worried about saw dust and wear eye wear
Good to know safety sam.
Although you need the ones that have foam to stick to your face. That fog up because I find things generally go in on the rebound when wearing those pos.
But in all fairness i think you missed the point.
Stihl changed to those caps more than a “few years” ago, my friend.
This is simply brilliant. Prevent any refueling leaks. Stop overspill and getting oily residue on the flywheel cover and the handle.
How much volume is lost in the fuel tank? It looks like it takes up quite a bit of space in the tank.
That's what i was thinking looks like the saw will lose almost half it's capacity
It will not loose almost anything! Guys, this is not solid product. It's hollow inside... :)
@@pallermo where can you purchase this
Im in Australia
Only thing I can see is that is a ways into the fuel tank hopefully it doesn’t interfere with the fuel pickup on the saw
I am sold. Not a firefighter but I do over landing and have a STIHL for clearing down trees on trails. This is perfect for those of use that carry a saw in an suv or in a basket on top. Dumping fuel on your suv will tick you off really quick. Thanks for the video.
I've never had one of these caps blow from internal pressure. I have, however, had them open up on me from getting caught on stuff. There's nothing quite as annoying as having a full tank of bar oil spill onto your saw pants while you're brushing. I love how reliable Stihl engines are but how chintzy or poorly designed a lot of the ancillary parts on their saws are has made me move to Husky in recent years.
Same. Too many gimmicks on Stihl saws, gimme a Husky any day.
"theres no way this can leak" as it leaks out of the container......
Lol I noticed that
never jinx yourself..... :D
Was about to comment same thing lol
Just a small amount though. I think it would hold 99% of the fuel if tipped over.
Teflon tape teflon tape teflon tape!
I’ve never had this happen in years. Sure you can hear the air coming out of it, but I’ve never had the cap fly off and the gas shoot everywhere.
As I understand it it wasn't a big problem until they started using those quick open caps. With the old threaded caps the pressure would start leaking out before the cap was entirely unthreaded giving it time to to equalize. The quick open caps are however staying sealed until they are free and the pressure is violently released. Even then it can't happen all that often or it would have been fixed before they were released to the public.
But that's just my thoughts on this and I may very well be wrong about it all...
ive had it happen to me multiple times while cutting firewood....saw has to have been running for a while to happen, like running temperature but it does happen.....more often then i like
i just run it till its outta gas that way my saw doesn't experience that and if i let it set the gas won't go rancid on me in the tank.
@@sailplaneFan707 awesome but if your doing it for a living or fighting brush fires or wildfires, u dont have ur jerry can with u....so any chance u get to top up u do. Its just more efficient that way. professionals top off their tanks everytime they get. like i said this doesn't happen to me all the time but its happen more then once.
@@ximer21 i said its good for fire crew and smoke jumpers prison crew stuff like that
This happened to me a few months ago, really bad. It came out with enough force to soak my shirt and get in my eyes around my safety glasses. I thought it was a defective fuel cap and replaced it. Thanks for the knowledge! I ended up using a fuel filter on the end of the breather hose. haven't had any issues since and it doesn't leak fuel.
It is a defective cap. They get hot from the proximity to the engine and don’t vent to equalize atmospheric pressure from inside the tank. It’s a bad design, they know it and haven’t done anything to improve it, you know like just putting a normal twist fit cap back on there
Happened to me a couple weeks ago except mine lit up. I'm currently recovering from severe burns. No mention of this hazard in the owner's manual
I love how this is such a problem that motion pro, known for dirt bike parts, is making a solution.
During my 18 years as a volly FF, we always had designated areas back off the fireline to fuel saws. I've never fueled a saw near fire. I have an 038AV and a 251, thankfully mine haven't overpressured.
That's what I thought. If you've got to refuel, back way out of the danger area! Oops that would require common sense!
It is a tank vent design flaw.... you can thank the EPA for that... it is not the cap.
When in doubt blame the government.
@@Deere2154D The government did cause the problem when they mandated non-vented fuel tanks on everything. When they expanded a regulation that addressed a large problem with vehicles (where the fuel tank is separated from the heat producing engine) to include the almost inconsequential impact of lawn hand equipment (where the tank is nestled with the engine) they created this mess, as well as created a safety problem. Another case of government over reach. Like most things, there is a limit to where something is beneficial. After that it can become toxic.
@@Deere2154D The government is who made the current bullshit permeation and evaporative emission requirements. So yeah it is their fault.
#defundthealphebetagencies
I bought my first new Stihl Chainsaw in 1964 aged 18 an 07 and had it for 15 years a great reliable unit, this saw had the threaded fuel plug and at that time in summer time I remember each time I removed the plug there would be a small hiss of built up pressure escaping through the first loosening of the threaded plug, a complete dry safe incident free removal, so why mess with something that proved simple and safe tried and tested for many many years, even modern cars to day give off a small hiss of pressure release at the fuel cap - cheers Drew from Australia ..
I have seen this issue before, but only on hot days when the saw is being run hard which is pretty common on the fireline. I agree it's a hazard if you're near open flame as it does get fuel everywhere including onto yourself. It's mostly a rare issue in my experience because the saws get run until very close to empty by everyone I cut with. I see a lot of forest service and blm crews who do shut off and immedietly check their fuel levels. The stihl manual says not to, but they do it anyway. I see it sometimes in newer sawyers too I guess because they don't have a good feel yet for how long a tank should last. I usually just check my watch or my internal clock tells me its about time to refill.
I believe this is NOT a "fuel cap" problem but a "tank venting" problem, allowing the fuel to build up pressure and blow back, Just saying.
Yes you are right my saw floods all the time in heat.No vent on fuel tank.
they are also not allowed to vert those unburnt fumes in to the atmosphere. I would think the EPA and CARB have a bit more pull over the firefighters.
I really have to think it's the no vent plus the 1/4 turn fuel cap. With a normal fuel cap the tank has chance to vent slowly as the fuel cap is unscrewed. I wonder if the solution wouldn't be just to use pressure venting caps like the safety style you can buy for car radiators.
@@allalphazerobeta8643 I have seen tank pop like a can before.
@@andrewyork3869 Radiator style caps have over pressure releases, of course that could release fuel but better a small controlled release than all the fuel going everywhere. A Hose could also direct the fuel into the carburetor, kind of how Marine carbs do when the floats stick. That Does sound like a problem caused by not leaving any head space in for thermal expansion of fuel in the tank. Maybe, Stihl needs to adopt a head space tank usually within the main tank, a few cars use. (Volvo 240 used this) They have a tank inside the main tank that has a small hole into the main tank. The idea is to make it people almost impossible for people to over fill the tank. It makes it so there will always be a bit of space in the tank for fuel expansion. The primary reason for this is if you fill the fuel tank completely up (By being knotty and topping off) in the morning and then park the car within a few miles. You'll have cold fuel in the tank and it will heat up heat and expand during the day if the tanks was near completely full or put another way the tank doesn't have enough space for thermal expansion of the fuel so when the fuel heats up the tank leaks fuel through the fuel vent system. (Possibly also damaging parts in the EVAP system but definitely a fire hazard) Now, you know one of the reasons cringe when I see people over filling their fuel tank at Costco, Especially in the morning. Having some head space in the tank is also a good idea if the tank gets crushed in a collision.
I learn something every time I watch this channel. All along I just thought my leaf blower was just for blowing leaves...
I am in the stihl program and they told us about the problem of guisering. The forest service had actually banned the use of stihl saws for a year or 2 because of this. Stihl has it written in the manual that you are to let the saw sit 5mins after running in order to let the pressure go down before refueling. Always start your saw at least 10ft away from where you fueled, and always read the manual before using a stihl tool. I also think this cap is lame for letting this happen but it is nice for the average joe cutting a couple cords of wood a year. Perhaps changing the fill on the pro saws to a cap like this will be a good idea. But after dealing in stihl saws, I haven't met a sawyer who has had this happen yet. Also if you wear your ppe it won't spray you in the eyes lol
I can see this for small boat racing (e.g. Outboard Hydroplanes) for the reasons of hot refills and over/near water spill protection.
It is just simple venting issues. The saws venting is plugged and pressurized when the saw runs out. Just fix the vent on the saws and it will be all fixed
It's some sort of regulation for sealed systems now.
gabriel ethier the vent only allows air in, not out. You need slight pressure in the tank to maintain proper fuel flow.
@@jacobforrest7894 tanks need to vent out of the tank as pressure builds up and needs to release.
I’m a certified STIHL Tech and have repaired/replaced likely hundreds of vents. Every one of them is a one way valve allowing air in, but not out.
@@jacobforrest7894 When the gas inside your Stihl chain saw fuel tank heats up it creates pressure inside the tank. ... The tank vent cap sits on top of the fuel tank and allows these heated gasses to escape. The tank vent cap needs to be cleaned occasionally for the carburetor to work properly.
Gee, serious drawback indeed. I'll add a couple inches to my bar, just to be safe.
😂
This is not only a problem with Stihl. I have a Craftsman, a Remington, a Stihl, and a Polion Pro chain saws; they all have this problem to one degree or another. All but the Stihl have the standard screw-in caps and when opened they have a pressure build up and spurt some gas when opened. It not just a Stihl problem.
I got doused in fuel two days ago, three days AFTER watching this video. So I had no excuse, I knew better. Saw didn't start after 3 pulls so I figured I should check the gas. Turned it SLOW too. Didn't matter, saw had been in the truck bed getting hot all day and I got absolutely showered. Not just a little spray either, a rather large and prolonged plume of fuel from my knees to over my head. Thankfully not in a fire zone. Thank you for your videos.
looks like the lock on the inside protrudes to met the notch on the piece that pushes down but yours wasnt lining up
Neat but easy solution is hold pressure on the cap when removing it. I open mine I hear the hiss of pressure escaping.
Fire fighters hear burning trees.
I'm in a hotter part of the nation, and when I'm cutting I keep B+C oil and a can of MotoMix nearby. The ambient heat is sufficient to cause the MotoMix can to pressurize, not to mention the fuel tank which is right next to the engine and exhaust!
My employer has a saw with the quarter turn cap that your talking about, and while I never had any geyser effect severe enough to cause me injury, it has put spray on the saw.
My saw has the old-style cap, which can at times be inconvenient, however, it allows me to slowly open and vent excessive pressure.
With that said, despite not being a wildland firefighter, this device is definitely something I can use. I hope they get out of the Beta phase soon and are made available to all users of gas-powered outdoor tools,
I have a Stihl chainsaw i just got, and this happened to me 3 times. I’m cutting a couple branches and the gas cap pops off. After being drenched in gas 3 times that day, and many expletives there after I figured something to be wrong with the cap. Thanks for the video!
Whenever I hear you talk about chainsaws it makes me lose faith in everything else I’ve ever heard you say
Its not just chainsaws.
@@imaguygolfn he isnt alone.
A lot of what he says in these videos is suspect.
I unsubbed because of it.
Lose ten minutes of run time as you lose fuel volume in the tank
Try locking it open (inner lock) then lock the cap lock. That may allow it to also vent as needed because for us and fuel tanks pressurization and fuel level is important to keep issues and leaks down.
So true with that issue. It even happens on the leaf blowers and the k&m series. The leaf blower does it when it's even cold. It is a serious problem I think sthil got rid of that little check valve on the top of the tank when they went to the new style cap! Thanks for the video cant wait till there on sale, keep us posted👍
The locking cap is designed for intelligent east Coast people!
Ordinaryavg.guy grand Slam!
We don’t care how you do it on the left coast.
@@DChrls Anytime I hear someone say pray for me, I know their dumb. If you think Jesus is real you need to have your head checked. All you religious nuts are weak, I have no clue what happens after this life and neither do you. The difference is you can't handle not knowing.
Care to compare home taxes? 🤣
@@MrGarwood420
I have no idea what your reply to me has to do with my reply to Lance Surgeon's post. Also you should have typed "they're" not "their".
Kinda makes me wonder about your IQ level.😉
I have no desire to get into a religious discussion with you so I'll fill you in on a little world history. Jesus of Nazareth was an actual person that existed. Try reading a history book... or two.
Now whether you believe in God or believe Jesus is the son of God or isn't is your choice. You have the right to believe in what you want.
That being said you really shouldn't base a person's intelligence on whether they believe in God or not.
After all Schrödinger, Marconi, Isaac Newton, Louis Pasteur, William Thomson Kelvin, Michael Faraday and many other highly intelligent people believe in God.
Terry: Uhhh, hey down there!
Greg: Yeah Terry?
Terry: I ran out of gas brah!
Greg: That's ok, just send me your guide line and send up the gas.
Terry: Are you sure I shouldn't send the saw to you Greg? You know fill'er up and send it back?
Greg: That's a terrible idea, send me that rope dummy!
Sometimes it all makes no sense too me.
Cody, great job, again. In terms of cost….if the whole unit costs 100, then each saw would require 50 for the machine side of every saw….the costs keep on going up. I do line the spill free method
Looks like a really nice piece and an engineering marvel, seems like we are over complicating a simple task. Probably would be better to just remove the original cap slowly or put a rag over the cap while removing it or something along those lines.
Either way, looks like a great product with alot of people who are engineers involved to come up with the design, just not for me. Thanks for the video.
The only problem isn't just the venting gas. The system is also easier, don't have to worry about losing the cap in the grass, don't have to worry about the cap getting dirty when it falls and getting dirt in the system, don't have to worry about the ¼ turn cap breaking as they often do, and it's faster to refuel.
Key to lock position while lid open then close
if you just remove the cap slowly it won't spray out.
You can't it's a 1/4 turn cap and the pressure is pretty intense.
@@mattvonbargen7653 I've got two of them and after taking the cap off too quick, I learned to do it slowly. And not remove the cap when there's too much hot gas inside.
@@ArcolaBridge are you doing this slowly everytime including during you 18 hour shifts as a wildland firefighter, refueling dozens of times a day? That's the entire point you can't remotely have this happen, at all, especially on a fire.
@@mattvonbargen7653 it's a chain saw, there are many things you Have to do all the time the same way or the saw is down or worst case you are hamburger.
Matt Von Bargen yes no matter the situation,you follow the safety rules on a chainsaw or you will see a doctor.
reading the replies and comments is very interesting! I have had this problem with my Stihl MS461, my backpack blower and my yard trimmer. The pressure doesn't blow the cap off, however it does blow a gas mist out all over. I use my 461 with a 36" bar for cutting slabs for table tops etc. Refueling while the saw is in an alaskan mill with this device would be fantastic and well worth the money in my eyes. Look forward to seeing it hit the market! thanks for the info!
I hope this will come to older huskies as well! Awsome thing to have! I have a similor gasport for fueling on one of my cars (trackcar)
More moving parts, more that can go wrong.
They definitely have a ways to go as far as the durability of the product. We've experienced breakages on both the fueling cap attached to the Dolmar, and the fueling system attached to the saw. Also, their is definitely a noticeable decrease in the amount of saw fuel you have. The guys with the new systems were filling up more often than the guys with the Husky 372's and Stihl 461's.
Saves weight. Can't have soy boys lugging a saw full of fuel, wears them out faster
That 5% less fuel you can get in is made up by being able to fill far faster.
Has it been released Where can I get a set please 🙏 inform me
I use stihl and have never had that issue because after a few days of use sawdust and especially the fine sawdust covers the gas tank vent especially on the newer ones. That's because of the location and design of the vent/breather. I keep a small tooth brush and clean the breather area whenever I see it getting covered with sawdust.
how is the piano going? haven't heard about the project in a while
Tank breather is usually blocked if my Stihl saws spit fuel out.
I've had this same issue with my cheapy Poulan saw WITH a threaded cap. As soon as the seal is broken, residual fuel blows out. Like most saws, mine doesn't drain the tank completely because the in tank fuel filter prevents that. This would be a welcome addition for threaded caps as well.
Stihl's redesign is another example of a solution in search of a problem.
I am the only one to have the " tank vent " in mind? It's pretty much the only thing that can block the presure/air to escape....if pressure builds up....it can only be the vent....anyway.....
If I remember the tank vent has a one way valve, let's air in but nothing out.
I see one problem with the dust cap. I live where it's cold and I can see the tabs for the locking of the dust cap breaking.
This has been a known hazard for YEARS. It is an issue almost exclusive to wildland firefighting and the environment we are operation in. Speaking with some of the others in the community currently testing the Sotor system there have been issues with the dust cap (yep, the lock) on the saw and broken fuel container adaptors (fragile plastic). But if it means we can keep and continue to purchase Sthil saws, I feel it is worth it.
Reminds me of the ridiculous gas can, only available now, that requires you to fight with spring loaded junk.
Honestly I would love this for my mowers amd weedeater. When I managed a yard care business I would talk about fuel spillage with the owner and he would constantly talk about the roughly $2,000 in gas that might spill every year because of the so called "safety" gas cans. I bet he would buy 50 of these things if they were made for mowers and weedeaters. Even as a home owner I would want this for my own equipment. Turns out you can build a better gas can
For fast use put zib tie in the hole at the tab to use with gloves
Does anyone have a link to buy these?
Very nice! $100 is expensive but less than a hospital visit/stay and recovery AND disfiguration. Does take up fuel space too. But.....
Sorry Cody, I am using Stihl chainsaws for nearly 50 years, but you make a theater here.
Let's just stick with it.
That's like a politician. Making up a problem where one doesn't exist, then wanting you to throw money at it. Just put a normal cap on the thing and quit trying to over complicate stuff.
It's a solution to a very niche problem. Very few of us are wildland firefighters, but those guys being able to work properly is a lifesaver for hundreds or thousands of us.
The same system is used in NASCAR for the same reason.
It's Called a Dry Break Filler Cap. The Oil side should have a Check valved nozzle on a short Hose with a Manual Plunger Pump. It looks like the Motion Pro Dry Break Fuel Cap Never hit the market because Stihl's Recall solved it.
It's not just the quarter-turn caps so much as it is the requirement to meet EPA and CARB guidelines to prevent direct venting to the atmosphere. What they should have is a notch in the quarter-turn cap that prevents you from opening the cap all the way until pressure vents and is equalized and when lined up with the notch. Under normal use you are supposed to let every saw cool for 5-10 minutes before refueling and then this is less of an issue but even my saw with the screw-threaded cap will sometimes spray everywhere if I open it too fast and the tank is more than half full due to the sealed tank that allows the fuel to pressurize especially when hot. I can see in a wildland fire scenario this could be an issue but that is a very niche case. Under normal use with the proper PPE, it is less of an issue for most users.
I do weedeating every year commercially and my Stihl weedeater does the Geiser effect really bad for fire safety
This is quite cool! A spill free and quick way to fuel up. Would make more sense to use it if it worked for the oil too like you said. On the other hand it over complicates a simple process and costs more.
Interesting! My stihl weedeater I bought recently at rural king does the same! So I open real slowly! Thx
One more reason to love my Echo! 😁
BTW: 60-55 years ago I worked an FS firecrew. Back then we ran Homelites. A few years later I bought my first personal chainsaw. Obviously I bought a Homelite. I'm still using that saw. Just ran it dry yesterday to put it away for the winter.
Thats a cool system. I want this system on every gas powerd tool that I have.
Are you osha? The surgeon general? Really if you handle with care that splashing could probably be avoided by letting the pressure settle before you open fully. It never happens to me with all six of my stihl's.
Are you willing to pay the $100 per unit? How excited are you to pay _that?_
Larry Gall wait till China has it then it’ll be 5 dollars a unit lol. This is prototype
Or you could do what everyone else is doing and not having any gas powered stuff. Battery power is the way to go for the homeowner(not quite there for the pro yet). I still like my stihl 044 for firewood.
@@DK-jd8bj yeah a battery in the forrest........ I need a tool with that I can work the whole day.
That's nearly the same quick fill system like Stihl has it for year's, and they have them for oil and gasoline and by the way I never had this geyser effect no matter how hot it was, because I clean my tank vent. This geyser effect happens when you don't clean the tank vent, this is behind the air filter on the left side from the carburetor
m.stihl.de/STIHL-Produkte/Kraftstoffe-Schmierstoffe-Kanister/Kanister-und-Einf%C3%BCllsysteme/21025-1742/Einf%C3%BCllsystem-f%C3%BCr-Kraftstoff.aspx
m.stihl.de/STIHL-Produkte/Kraftstoffe-Schmierstoffe-Kanister/Kanister-und-Einf%C3%BCllsysteme/21026-1742/Einf%C3%BCllsystem-f%C3%BCr-Kettenhaft%C3%B6l.aspx
German Gun Review - fun Stuff from the US finally someone mantioning These filling systems, i‘m from Germany i Love using them...
@@jonathanvolkmer9062 👍👍 I'm also from germany 🤣 🤣
Most things in the US are just retarded. The way Cody makes jokes about the East coast Europeans can make the same about the whole US :D Like their retarded gas can nozzles lol
German Gun Review - fun Stuff from the US - that’s pretty neat. We’re up in Canada BTW. I’ll have to check them out. Thanks.
I'm from the U.S. and it honestly surprises me the amount of people have never heard of cleaning the tank vent and Yeah the gas can nozzles suck but any with have a brian just buys a replacement kit with a push in vent and just like how the east coast and the west coast joke about each other same goes for the U.S. and Europe there's just more areas to make fun of
I've never ran into that issue, and ran saws hard as a wild land fire fighter. All the saws I used had 1/4 turn too MS290, MS310, and MS390.
When I was ready to buy my first real quality chainsaw, I bought a Husqvarna simply because I hated those stupid Stihl caps.
Now the new Husqvarnas have them.
If they sold just the black and blue pieces that made it thread-able and a regular threaded plug and sold if for $20 they'd be on every saw.
Nice catch...worth scrolling down in the comments after the religious comment war above this.
If manufacturers want there to be air in the fuel tank for expansion, that must be to correct the problem with the fuel spitting out.
I wonder if filling the tank 3/4 full would still spit fuel when the pressures change due to heat.
There is a far simpler solution to this problem, use a cap like those you find in a car radiator, has a built in pressure release valve. Pressure gets tpo high and the valve opens up to vent that built up pressure ensuring no "blowout" from the tank at any time. The refueling is a good idea but still an overcomplicated idea. Gas can with a flexible filler nozzle and breather pipe is just fine.
My concern with a pressure release idea would be you would have no control of when the pressure cap blows meaning it could blow a fuel air mix out at a very bad time!
In a vehicle coolant system the pressure cap is at the highest point in the system, and usually diverts the excess pressure/fluid back into the system, or diverts it safely towards the ground. With a chainsaw the filler cap is on the side, so it would just let fuel squirt out!
@@danwhite268 Exactly. Due to the fact that chainsaws are used in every possible orientation, a pressure relief valve is not a practical solution, no matter where on the tank it is mounted, for the reason you stated.
That’s more of a fuel issue, not to mention, phase 2 EPA REQUIRES the manufacturer to seal these fuel systems. Of course pressure is going to build in the tank and Stihl has warning stickers on the saws for that very reason. This is more of a sales pitch on a product at Stihl’s expense.
Wow! first I ever heard of this, and I own, and have used Stihl chainsaws of every size! In fact, all my two stroke tools are Stihl, and this has NEVER happened to me once ever! But then again, I only open the tank when it runs out, or when I am done for the day. I mean, who stops cutting at half a tank to refill anyway?
Tell them take the electronics off and give me my little orange screwdriver back
Amen buddy..
is there anyway the issue is caused by people not leaving the air gap that stihl says is required? i dont mean to cause any arguments, but if theyre complaining its not filling up the whole tank that could be whats causing the issue.
I think I’m the only person ever who actually likes and appreciates the 1/4 turn caps . Love em.
MY BROTHER WHERE CAN I GET ONE OF THIS THING