What Happened to The 250R?
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- เผยแพร่เมื่อ 3 ต.ค. 2024
- What Happened to The 250R?
Overwhelmed with how much love and help I received at the dunes and from people online; thank you to everyone 🤘
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I did not read through all the comments before posting this. It may have already been said several times.
I am not a "know it all", but I know a whole lot about this topic. I am a Yamaha Master Technician, and have built, jetted, tuned and repaired a whole bunch of 2-stroke engines including both outboard motors and motorcycles. If you will pay attention to the video you will notice that all of the cylinder and piston damage is on the exhaust side (front) of the engine. This is telling you that the engine did not starve for lubrication, nor did it overheat. If either of these things happened, the piston/cylinder would be scored all the way around. This is a classic case of an engine running too lean. The exhaust side of the piston expanded too much from the intense heat created from the lean running condition. The roughness in the cylinder is aluminum from the piston that melted and stuck to the cylinder wall (it's called transfer). It is highly unlikely that the melted vent hoses on the carb caused this engine failure although they must be replaced. If you jet any engine to run it's best on a fairly level dirt surface, you MUST increase the size of the main jet 2-3 sizes if you're going to ride in deep sand. You were already riding on borrowed time, the hill climb just sped up the the process dramatically! Beautiful machine by the way. I just hate seeing something bad happen to someone that is so meticulous and dedicated to the sport. God bless!
This is fact!
Well said!
I agree 100 percent!! I could hear it from the way he was riding it.,.
@@MrSnopro700 Yes, the engine was very crisp. That's great for most conditions, but not for deep sand. You have to fatten up the jetting or you'll go from crisp to crispy! That's what happend here.
I agree!
I don’t get the hate, this guy is awesome and he’s completely honest which is rare now days.
Ppl suck 🤷🏾♂️
I respect mike he’s a very hard working man people just like to hate
the hate is jealousy turned into attempts to drag mr sabo down, pure and simple
the dudes respectable as hell and a good person to look up to as a role model
@Klaus Van Heusen quap dont play
“Yeah whatever try and get laid” 😂
I was laughing so hard
Same it was one of the best lines ever
That shit was so funny I died
I know right LOL that was hilarious
Man that shit was funny as hell.
Just throw a LECTRON CARB at IT, You will thank me later!!!
Blew my bike up last weekend on my first ride with the lectron. Didn't get a chance to adjust the metering rod because it was so lean out of the box.
Ray Candler riches it up and put new top end on it
“60% of the time it works 100% of the time” 🤣 I love the Anchorman
Mike when rebuild is done after breakin do a few plug chops to make sure your mixture is dead on!!! 👍
love all the projects mike but the 4 mil and 250r were definitely my favorites
that open engine with all the sand around it is making me cringe
Me to lmao
Me too lol but as long as he cleans it before he starts it it’ll be fine
I rebuild my banshee at Winchester overnight and rode the next day perfectly
Sabo rocks! He keeps it real, respects the community and learns from his mistakes. In a world where everybody thinks they're an expert on everything, the humble guy always gets better because he never stops learning. 👊 HOLLA
I think that was a bad situation all around. The float height was sketchy the vent tube melted and I think you were probably running lean before that.That sir caused perfect shit storm. I personally would run it a bit rich at all times especially if your gonna be switching climate like that. Going from being here in pa with hot dense air to the Michigan cool air. You probably should’ve went up a jet size or 2. Oh well just build her back and tune her up good. Shit happens I’d probably jet up for the next dune trip just to be safe no reason In having another blow up when you could just run her a bit rich.
We had 9 straight days of 90+ degree temps and humidity and our second hottest July on record. Where is this cool Michigan air?
"Perfect shit storm" 😂 For sure man; all lessons learned and hopefully passed on to some of the people that see this so they can avoid it.
@@MichaelSabo I feel you guys made the right diagnosis 👍. That's a hard catch with the vent line before adjusting the float height, that could of happened to anyone. At minimum, new nicasil plate, piston, and machine the head..... Nothing you don't already know 🤟
Hey man, I’m 14 love the vids, I’ve watched all your videos on this build, Love the quad! you’ve inspired me to start on my own quad build. Keep up the good work and don’t give up!
Honestly I was expecting the Banshee to break down. Good thing , something new to learn again. Keep it up Mike !!!
Awesome how everyone comes together that's what we need in this world, team work makes the dream work ,much love from upstate new York, sabo is king up here buddy
Cant wait to see this thing really rip. Hope you get it up and running soon man.
I always run my R slightly rich to avoid bad situations, especially if you’re changing climate and humidity. Shit happens though man, it’s not the end of the world.
EVERYONE! This cylinder has a steel sleeve, and does not have a nikasil plated bore. A ball hone will not damage the sleeve on this cylinder! Keep up the killer content Mike. Can’t wait to ride with you in Oklahoma. 🤟🏻
Quote un quote! Sand dunes are hard on machines and being a fresh build!!!!
I’m big into v6 mercury outboards. The motors are nic cylinders and that looks like straight up overheat. The nic is so hard the aluminum melts off the piston and looks just like that. We use acid to pull the aluminum off the nic and see if it can just be honed
Almost look like it started building sum heat and stuck the piston from not enuff cyl clearance, if it was that lean ,the top edge piston would be round at the exhaust port , I'm into the merc v6 to ,
Acid is a great idea actually. I think the only problem is he's trying to get a quick fix instead of waiting for more stuff to come in the mail or having to go and source it properly. I was trying to tell him that he should probably consider using the nylon hone instead of a conventional ball hone considering that manufacturers that use Nickocil, recommend using a nylon hone. They just say that using a conventional ball hone can damage the coating. But like I told him I've used a conventional hone on a coated cylinder and haven't had a problem. I will admit one time there was some very light chipping at the very top of the combustion chamber but I used it anyway and didn't have a problem. Not ideal I understand but I'm just telling the truth. It's either that or send it out for $400 and have to wait 6 to 8 weeks for the cylinder back. You know what I mean? Anyway I just thought the acid was a really good idea. Very good point. Smart.
What a bummer. I think your right about that vent hose on the carb. We all learned a lot from this and it will always make me check to make sure the carb hoses are routed and secured. Shit happens. Like my 250 when the center case gasket blew on the first start. This was a great video and can’t wait to see it run again. 🤘🤘
Yeah you found what I mentioned in the previous video, highly recommend you get an egt gauge, you can see from the exhaust temps where your jetting is at at any throttle position and save the engine before she goes south. Don't ball hone the cylinder send it back to Arlan and get it right.
U make the best bike build videos out there with out a doubt
Highly doubt that melted hose leaned it out, but what do I know
Yeah because even if the whole carb was sealed, as fuel is sucked out it will still be entering the bowl to fill the void via suction or gravity. In my opinion I think it was a problem with the end Gap or the Piston to cylinder clearance. There are a lot of Two Strokes pushing 350°+ all the time. Granite this is water-cooled. But still it was only 250 degrees.
Hey i was wondering why sout tex banshee did plug chops and man this is why
Mike glad to see it isn’t a total blow. Easy fix. Like you said live and learn. Keep doing your thing!!
That looks to me like a classic four corner seizure. Most likely cause is your running to lean. Air leak or just miscalculation on the main jet.
I personally don’t think the melted air vent would affect anything, because it still have other vents built into the carb.
All the rough stuff is melted aluminum front the piston. It can be cleaned off with Murat acid and please DO NOT USE A BALL HONE. Not on a two stroke. It will fuck all your port transfers up. The hone you need is a brake style hone.
If you have the money look into the LECTRON carb...jetless carb that ive heard good things about them..no jets amd run perfect at any elevation.....might be the right move for a build like that💪
Michael let the people hate they just jealous that you do good videos keep up the good work
Thank you for the support bro 🤘
@@MichaelSabo hey brother anyone hating on your stuff has no idea how to build they buy !!
Your 250r is the baddest build I have seen so far ! Keep it up even the people that talk crap have watched your video and just wish they had half the talent you do !!
These guys are hilarious, especially Justin! 😂 So nice to have them around cracking jokes to take your mind off being bummed out. Little Sahara for the redemption!💪 If I can get over the 1300 mile drive, I'll be there too!! 🤘
Man that sucks I hate it when quads blow up or sieze. My CDI box went out on the lake shot at winchester bay and was detonating really bad but I wasn't stopping but amazingly it is fine and I just put a hpi on and your video helped alot thanks
Your problem started from being to lean weather jetting or float level. The hose likely melted because the lean condition made the pipe way hotter then normal,, it was Awesome watching you try so hard to get it going again at the dunes. I'd really suggest having it checked for roundness, getting up to 250+ degrees and locking up can distort the cylinder and a ball hone won't fix that, otherwise you may end up right back at this point, At the least have a bore Guage and check for roundness
Justin tricking really help with all the tools 🛠 🧰 👍👍👍👍
Don't pay attention to the negativity Mike you have an awesome channel and that is a badass quad one of the best 250R builds I've seen so far and the cool thing about it is you actually ride yours.
wen i had my 2 strokes i took notice wen i follow the rules and with the heat cycles and shit it blew up faster but wen I'd slap it together and immediately beat the balls outta it it ran for months..man sweet ride and it happens to the best of us
I call Anti-Seize "Mechanics Glitter". Because it acts like craft glitter, it doesn't matter if you're in the next room away from everything there's some of it on you from somewhere. It's like it just shows up because you're in the vicinity. :)
Any good mechanic knows that that kroil works wonderfully, spray it and leave it for an hour and itll break anything loose
All part of the game man, trial and error! In a perfect world things never go wrong building engines. You’ll know next time now... I’m getting ready go throw my banshee together next weekend after I get my cylinders back from redline. Wish me luck 🤙🏼 keep your head up brother by far the best videos on TH-cam 👍🏼
Good find man. I had this happen on a buddy's quad melted a vent hose close and it wouldnt suck fuel as normal.
Hey not a big deal mike easy fix and we all get another 250r video 👍✌
I'm pretty sure the hoses are routed that way to keep water from sucking in. Those hises bring in air(suction) I route those hoses up through the hole where the top of the shock is. If the suck in water the quad will stumble. Some guys run them into the airbox.
Every issue, mistake, failure, is just opportunity to learn. Yes it's not fun, but knowledge gained is knowledge earned.
Damn that sucks bro! I love the build its a damn nice merica lovin bike!!! 👊🏻👍🏻🤙🏻
Lol great comment right at the end ol jst boy " sure it was running real mean before she blew up, it was running on ALUMINUM!" Lol fix it and send her!
Justin is cool man a lot of ppl don’t like him just bc he tells it how things are lol good video as allways brother !!!!
I knew it was going to happen before it happened, nobody builds a engine and takes it to the dunes without tuning it properly and a full break in, not that I doubted your skills, you're really good, I just had a bad feeling brother
Never rode on the dunes but I read that you have to go richer then normally, but still it could be caused by the uphill carb float thingy
ive been there and done it so many times i could here the bike getting weak as he rode it
@@erussell1081 ive always was told and heard double the oil the brake in ride . so i do klutz 15:1 first 5 gallons . might be too much . but ive only got the money to get it right the first time .
867diesel I personally wouldn’t do that because your bike would be running lean
@@backwoodsmx3274 dude shut the fuck up dont even talk . 28:1 is what people usually run . that means 15:1 is rich . ive owned and raced the same trx250r since 01 . i got on the podium against 450s in xc and mx before that . go read a book
Shit happens it’s a new build something little gets missed and boom it’s down that’s how you learn from the experience. It’s nice to see the quad community is so tight that you got lots of help. Your doing a great job Mike keep it up love the videos
I died when I heard the 2vintage thing💀..him and his shade tree mechanic work😂🤣
Yeah I’ll clean the carb and see if it stops smoking
Send-It Offroad Lmao💀🤣
Braptastic films (Why does my quad smoke) 2vintage video 1:07
Silver lake dunes rock! Northern Michigan baby! #Yamaha #Fox
Put a free flow hose on your gas cap to it will help get a little better flow
I’m so glad I found your Chanel bro 😭 love the videos keep up the good work 👍🏻
Your garage is awesome 👌
I had a similar issue at Winchester Bay last weekend with my new Lectron carb. They are not ready to go right out of the box like people claim. Haven't pulled it apart to see the damage yet.
We appreciate ya Mike! Keep up the great content. Pls don't sell the Banshee or KXF450 if possible :) lol. SPORT QUADS FOR LIFE!
Your lucky that you have friends that can do this. its great!
Ole Blake drinking Busch Light Apple
Dude this already happened to me on my 2006 RM 250r ! I bought it blown, put a whole crap of money on brand spanking new parts ! Built it ! Did the heat cycles, then went for a ride on the beach and BOOM ! I had forgotten to richen out my needle that was on the leaner side.... Probably why it had blown up from the the other owner... It was way to lean... Then had to do a bottom end also cause piston parts where all over this engine... It sucked...
Those bowl vent hoses go up and around in case of rollover so gas doesn't leak out. They have nothing to do with fuel flow in Carb. Only an issue if all the Vent houses were plugged up. Motor just ran too lean and got too hot on Exhaust side seizing piston. Bigger Main jet would help.
I’ve had that happen before where the piston melts to the cylinder. I used 800 grit sand paper soaked in motor oil to get it off then honed it threw a piston in it and I was on my way
hey man shit happens..learn from it and move on. still love the build.
I’ve watched this fella since he started doing TH-cam. Such an incredible fella and friend you can just tell he’s good people. Keep your head up brother. Don’t pay attention to any haters they’re secretly just your fans too! Much love form Kentucky.
Thats just crap Mike 😕....i get the whole overwhelmed feeling, new to dunes, and everything else going on. Now you know that if your running hot let her cool down before going again, running a little rich never hurts especially in that sand. Hone piston and rings that thing will rip again.
Hope to meet you at Little Sahara for the legends tour and see the big sand hills.
It happens man, I'm glad we were able to meet!
Get her fixed up man this could have been way worse some rejetting and a new piston and repair or replace that cylinder and you are rolling again! Still looked like an awesome trip!
Definitely dude; I'm itching to get the top end back together but the ballhone is on backorder 😫 New piston is just sitting here waiting lol. Thanks for keeping up with my videos man!
Michael Sabo oh bummer man seems like so many items are not in stock/back ordered now w this scamdemic going its frustrating!
Next big ride needs to be at the mx track Mike!
Sorry to see this happen to one of the best builds I’ve seen and that’s from a banshee man. Are the fox floats worth the money? They are very pricey over here in the uk
Heat cycle lol. Well gud chance over heat , What bout cyl wall/ piston clearance? Not sure what the cyl is aluminum/ nic or steel /iron, but if it's a steel/iron sleeve it needs more clearance with a forged piston than it does with cast piston , I build lots hi performance v6 boat motors (2 stroke) I'm betting it's a clearance issue. I've seen the same thing happen on boats trying use weiscos (forged) the just expand more than cast. I'm sure yall know what yall doin but I've seen same thing many times. I hope it was ur carb but u better b 100% sure or it will stick again. Dont convince urself it was carb cause that what it sounds like. Best of luck on next go round. Do you have a micrometer and bore guage? You gonna need em. a hone mite loosen it up enuff so it wont stick again after it builds sum heat
Best part of the video "Get laid" 🤣
Man I was sad as hell when she died on you on that dune, hopefully you get it fixed up asap and back to enjoying that beast
Keep the work up, your vids are bangin
get an air/fuel gauge those things are like 150$ for a really good one and that right there might safe your motor, just check before riding if its lean or not and when you take breaks or just waiting on someone 😁
Are you planning on going to little Sahara in Oklahoma?
Vapor lock is the wrong term. Vapor lock is when the fuel boils. What you are suspecting would be a vacuum on the fuel supply cause by a clogged tank vent. Also, the melted aluminum on the cyclinder wall from the piston is called transfer.
Please start where you KNOW the jetting is rich and lean it out from there. On the other hand, spring for that Lectron now! :)
Another thing...do NOT use the ball hone to remove the transfer. You will over-size the cylinder. Remove the transfer by hand, then use the ball hone to re-finish the cylinder.
Sorry to see, but it happens! Check the bevel on the sub exhaust ports, have seen Esr cylinders shipped out and the port edges are sharp and will cause similar results. Also double check fuel flow, not sure if you replaced the petcock? But it can be w weak point on Trx250r, some need gutted tank filters or a Pingle valve to supply enough fuel, also double check your tank vent. It sound like it was a touch lean, but your float height fix may have caused it too! Good luck, and make sure you get the transfer off the cylinder!
Good shit dude! Looks like an awesome trip even though you had a motor hiccup. Wisconsin has some awesome trail systems my quad is almost done, for the 3rd time around. Let me know if you ever want to rip over here.
I would look into a hi flo petcock along with oversized float bowl.
Bahaahahah this is some 2 vintage shit!!!! Lmfao (hes ok, gotta respect his hustle but hes no mechanic)
Please check the bottom end for fine metal particles as much as they guy said theres no way, well yeah way there is lol. Also the chewed up part on the cylinder is most likely chewed the nikasil coating off of it, its nickel silicone carbide and once it's gone if you run a piston in it with no coating it will only last minutes and blow again best bet is to get new cylinder or get that one replated which idc what anyone says or what company does it it's never the same as a fresh cylinder, just giving my small engine mechanics advise, also on 2 stroke cylinder you can only use "diamond tipped nylon brush hone, others can chip the nikasil away from edges of ports
Damn bro! Thank god it wasn’t as bad as it could have been!’
Also check if the cylinder is Nikasil plated if so you should never hone it
You can lite hone a plated cylinder. But never hone it if it has damage
It’s a steel/iron bore
People who hate are the ones that wish they can do what you do
that 250r is soo fricken badass, glad everyone came together and figured out what the problem was and was willing to get to the bottom of it
the amount of engineering that goes into these machines is soo crazy
That's exactly it...Live and Learn, it is what it is, I know you will figure it out and be back at it. And hey if anything it's content..keep it up👍
Lucky thing JST was there with that mobile shop!
That was so sad to watch!!!!!! Glad its a quick fix though
Silver sands parking lot, I've done a few overnight rebuilds in that same parking lot.
Hey bro sorry for the bad luck, she will be up and running soon! Maybe switch to that lectron carb now and see how it works
It'll teach you that you need to tune a brand new build before you go hammering on...you gotta do some plug chops
Sorry this happened to you! Just fix it and move on...👍
Man that sucks bro, she couldn’t at least make it over the hill😣, great vid though, and I know u will get it running again👍
Kroil is the shit. I use it everyday.
Panther piss.
Haters gonna hate, 😂💎💨💨💨
To melt aluminum like that goddamn!!! Ive never rode in dunes before.. judging by the footage it didn’t look that fun.. I mean sure a ton of trails n shit but the banshee getting stuck n shit having to hammer the entire time just to go semi fast.... idk man.. riding out by me is quite different.. and we have sand pits just not sand like that.. trails thru fields and woods for days!! Mostly trespassing on private property but thats whats fun! At the same time respect the farmers property and stay on trails.. upstate NY bro.. stop by sometime.. we’ll ride out 🤙
His tires are not the best for having fun, 20” tires want to dig, 22” tires float, way more fun and rideable. It’s also less load on the motor with the larger tires, with the proper setup the dunes are a blast and addictive
2vintage😂😂
gotta love the burns at him. gotta love that they know him :)
kid got it good for him buying and selling bikes and quads....
That poor guy is doomed lol. He's gotten a lot better but he needs to stop cutting corners or he's gonna build a bad reputation with future clientele.
Respect for showing the damage, shit happens, life goes on...
Did you heat cycle the motor properly? Did you break it in before the dunes? Did you jet the bike properly for the altitude? Did you mix your gas properly? This is probably about as big of a test as you can do on a new motor.. Or....... a hose melted in half and sealed up causing vapor lock (ultra lean)....... Crazy $0.10 part.
My brother has one of these and he built it from the ground up,did everything to it
That orange can smells amazing lol my buddy uses that stuff
Best 250r ever keep up the good work don’t mind the haters. I fucking live 250r
I love the 250r
Look up how to remove transfer with acid.
Sand is rough on bearings, would imagine it’s not so great on the engine either. My ATC 250r bearing were fine trail riding. After 1 year in the sand carrier bearings were shot
Sorry this happen with the 250r but atleast it was not so bad. I'm really glad I have not had a problem like this with my banshee. Thanks for sharing with us have great day
“Maybe try and get laid” I’m dead 😂😂😂😂. Haters gonna hate man. Keep on keeping on. 🤙🏼
Definitely leaned out meltdown! Betcha she was screaming right before she shutdown🤨
Have you had a shop check your ESR cylinder for trueness (correctly bored) too?
On the carb vent hoses, get them where you want them, and slightly squeeze the tube holders that mount to the bowl, so there’s drag and they won’t pull without moderate force.
Long live the R👍
I have not checked for trueness of the bore. That's a good call pinching the carb line holders; ill be paying much more attention to those lines from now on lol
Michael Sabo ..great work, great videos, be careful with the cylinder and she’ll be purring again !
Can you do a video on you changing the vent hoses or show us how to because the same thing just happened to me today and I don’t know how to change it
It's pretty simple; you just pull them off and slip new ones on. If they're stuck, you can use a razor to carefully cut them. They you can use zip ties loosely to route the lines away from heat or pinch spots. AP3racing.com has new lines, if you buy them use promo code SABO20 and you'll get 20% off. Hope this helps!
Awesome live video mike! So loved the content again ! You know your stuff is real . I’m sure you will have the 250r back up and running in no time !