Engine "Break In" on Dirt Bikes | Myth or Mandatory?
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- เผยแพร่เมื่อ 1 ต.ค. 2024
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I know that you have all wondered this in the past. Is “engine break in” a real thing or not. My personal opinion is that it is completely over blown. I believe that on your first tank of gas and the second tank of gas, you should ride your dirt bike pretty much how you are going to ride it on all the other tanks of gas. There, I said it.
Think about it. These motors are going to last less than 200-300 hours before needing to be rebuilt in most cases. That is on the long end. Most guys I know are rebuilding their bikes somewhere between 100 and 150 hours, regardless of whether or not they are 2 stroke or 4 stroke. I do not believe that doing some elaborate “break in” procedure effects the motor in any measurable way during those 100 or 150 hours. Race teams don’t do engine break in. Yes, I know that they rebuild the bikes each week, so it doesn’t really matter from a longevity standpoint. Lets examine that a bit more though. Don’t you think the damage would be done right up front? If there was measurable damage from pushing the motor very hard in the first hour, I don’t think the race teams would do it since they have to race those motors for a few hours. They certainly don’t want them to fail at all. That is money lost for them.
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If it doesn't blow up in the first 5 minutes then you're good 👍
Bro you might just be the smartest guy out there 😅
Hey I have no compression when kicking and it won't turn over
@@dyllangrimm2779 Respectfully how do you know it doesn't have any compression if it won't turn over? Generally you don't have compression because of a ring or piston failure.
@@JamesPiccone how do you test it
@@dyllangrimm2779 With a compression gauge that you hook up via spark plug hole, then turn the engine over and read the gauge. I've never done that though, I can tell if I have compression or not. Even with little to no compression the engine should still turn over and run with some throttle, won't have any power though.
Honda XR’s are the cockroaches of the motorcycle world haha, After ww3 there will be roaches and xr’s left
Chuck Finley my XR 125 ran on 300ml of oil for 200 miles no problem 😂😂
Literally what i have said as well!!!!
I had a 03 xr 80 and that thing was a tank. We beat the shit out of that thing and it refused to quit.
I love seeing stuff like this, 1 of my 5 bikes is an xr400. And I think its my favorite of them all.
Got a '92 xr100r and it will literally never die lol
" I shoot guns " - Kyle
Now I like the channel even more!
Same!😄
Chris Howard but but.... I'm a liberal and that triggers me. Lol
Hugh Mongus why tho? Isn't that liberal life boring?
Daniel Grishchuk IDK, would probably make the world a better place if all the liberals just followed each other off a cliff or something. Lol
Dirt bikes and guns make life fun and interesting. Lots of similarities in both sports. Learn to use your equipment BEFORE you smother it with mods. Both are fun and rewarding, but can be dangerous. Bring a med kit when doing either.
I agree for the most part. I would still do a couple heat cycles though personally.
Half your fmf sticker is missing, that’s crucial horsepower your losing out on. Oh I bet it’s all because you didn’t break it in right..
😉
I got crazy with the pressure washer!
Dirt Bike Channel look way much better without the sticker anyway!!!
Ya gotta get that back on.. The KLEB Says its "Plus 10 Horsepower" LOL
hahaha right went from 10 extra HP to 5HP
My engine builder always says half a hour or a hour just calm riding after that you can go full send😄
good advice
He must be wrong if you have an engine (builder )
Floris Heuperman What happens if you don’t run the engine before riding it hard? I just changed the carb on my bike and the top end lacks fuel. Can’t even pull the throttle back more than half way or it’ll bog.. But I’m noticing each day it’s getting better and bugging less.. I was starting to believe I ordered another cheap carb but after watching this maybe I need to just keep riding it and see if it continues to improves.. brand new rider, trying to learn as I go.
@@aaronturner8042 jet up your main before you detonate it or raise your clip height.
What condition are your reeds in ?,when was your silencer repacked?, how many hrs on your top end?
These all affect your jetting other than changing your carby.
David Griggs Thanks for the help! The bike is brand new I just decided to change the carb after watching multiple TH-cam videos telling me to do so on these cheap pitbikes. I recently ended up jus ordering a 30mm nibbi carb should be here soon. im thinkin the current carb I installed is just another cheap carb (pz27). I’m hoping the nibbi is plug and play...
"You need to give time for your rings to seat properly" These rings aren't just walking from the park trying to find their way home😂
No you don’t. It they are in right it’s good to go! Rip on!!
Nah its like we just throw the rings ontop of the piston, so you gotta wait until they go in the piston 😂
They already seat in properly upon building thw engine 😂😂😂😂
I began smelling 2 stroke smoke at 0:20. Who else can smell the sound? o.O
I can!
I thought it was just me...😂
Was it the moped running past the window
synesthesia
Luan 333 I don’t care what anyone says... its a beautiful smell 🤤
2-stroke procedure for me; install, 1 warm up/cool down, let her eat.
I think you're exactly right, the factory's covering it's bases. When I read the break-in procedures for my 250X, which include 15:1 mix and a piston inspection after 30 minutes, I was a little ticked at my dealer for not doing it as part of the dealer prep or even mentioning it. As I continued reading the owner's manual, I concluded that I'm not capable of riding the bike at a level that would justify that much maintenance, but that I needed to apply common sense and do right by my investment. Thank you for validating my conclusion and for sharing what you've learned, it really helps! Keep up the good work
Same here I have a 250x as well and it says "never use premix more than a few hours old" LOL
@@eddiekelley527 real shit? im glad ive never seen that in my manual, i wouldve pissed myself laughing, ive let my 250sx sit in my garage over winter with gas in it, go to take it out, shake the bike a little bit to mix up the gas and oil again, starts first or second kick and im off, rides perfectly fine, some of these people think their bikes are disney princesses, its a fucking dirtbike, they're made to have you ride the piss outta them
Kyle has it right here, break in had some validity before nano finishes and oxide coatings but now it's all about safety in case the bike has build issues. Frequent oil changes it the first 5hrs is a good idea to flush FOD from the inner workings.
What is FOD? I have a new 125cc 4 stroke scooter and I want to break it in properly. I had the same scooter previously it was bought new but that was a few years ago. I ignored the break in period and my top end speed was not as fast as what I could find when I was checking reviews online.
@larryhathaway6294 FOD is foreign Object Damage. If you are afraid of break in Damage just stay half throttle or less for the first tank of gas to keep the rod from grooving to one side of the crank. That's not common these days.
Man I like how Kyle gets so into it. I never broke in my 4 stroke and it still runs just fine. Just go full send
did the same thing with my 2020 yz450f, too excited and not patient enough to go slow, still runs great
@@crashtest603 exactly i don't know how anyone could contain themselves enough do do a proper break in
Now your talking. I've been waiting for too long to get this information. It really helped me with my worries. Thanks man.
Worry for what lol all u need to do is a couple heat cycles that’s it, u people always complicate break in and similar words when comes to bikes 😅 by sound of it you’ve never had a new bike
@@connorwilson8078 look who's talking with a goober break-in cycles parroting other people's information. New dirt bikes don't even require heat cycles 🤣
Let it warm up and let the things expand properly, then let it cool a bit before you shut it off. Change the oil as the manual says. Those are more important than the break in.
With break-in, I'm really not worried about wear, I'm worried about a piston/ring seizure. Modern piston rings come with a teflon outer coating which is meant to quickly seal to the bore after about an hour of running. During that process, the end-gap is going to open up noticeably, and your end-gap spec includes room for this. If you go to the dunes and give it hell before that happens, you might run out of gap and seize. So I think Kyle's advice is spot-on. Avoid big sustained full power top-gear pulls for the first couple hours. If you ride technical terrain, you're not stressing that top end at all. The people who have issues with break-in procedure are the Banshee, snowmobile, and 2-stroke street bike people. Maybe a few top MX pros could too.
By the way, those engines that they go full send on, are built with a wider end-gap than ours. They ride harder than we do, and their motors are built hotter than ours. They have a short life for this reason; they give themselves less ring. But they get a new motor next week so who cares?
that's it, were fighting. I break my bike in with 200 hours and an oil change every 10 minutes. 😡
THATS IT???¿ ITS SUPOSED TO BE EVERY 10 SECONDS!!!!
@@mrsendy4821 Right!! I hope your keeping up on your air filter too, yamaha recommends a new filter every 5 minutes of ride time!
I have never broken in a new bike i always make sure my motor is good and warm before putting stress on it. As for guns like you were talking about i am a firearms instructor for a living and probably shoot close to 80,000 rounds a year of 5.56 and close to the same in pistol maybe 20,000 rounds from a precision rifle and i can promise you barrel brake in is a complete myth i get close to 50-60k rounds threw my 5.56 before i need to re barrel and not once have i done a brake in procedure.
Thanks for your comment.
C B I never change my barrels and they last me. I have never broken in a gun before, just sighted in cuz I promise when I sight a gun in those rounds are on target. 60,000 rounds is a lot of ammo through an AR15, I think the military replaces the uppers around 60k rounds right?
Yeah.. Me too.. I never do any break in procedure to my bikes, just ride it normally as i usually do.
Well, in my opinion, just take it easy the first couple of rides/hours, or until you have to full it up again.
Then go hard.
Good vid, ride sensibly a tank or 2. Jeff Slavens has a great break in period video also. 🏁
4-stroke = valve adjustment, constant oil changes, too much extra work, too heavy
2-stroke = no maintenance, just ride.
Lazy
2-stroke = rebuild every month 😂😂😂😂😂😂
It was a joke chill 😂
thats the most false thing i have ever seen
$150 every 3 rides on piston kit
@@bbb8775 what kind of riding? And how many hours per ride?
Covering their A C Y A? The hell's one of those? 🤣
Yeah confused too
Unless i get some expensive bike then im full throttleottlin out the dealer
Great video...My Yamaha 250x manual says "dont use premix more than few hours old"
LOL...sometimes I think manuals are co-written by attorneys..
In my old ass YZ250 (1999) I run premix through it thats like 6 months old haha
Very informative. Being a newbie I was almost losing sleep over this...
Old Skool Dude here....and not of the construction orange persuasion. I have the tried and true- although fully modded out (By Jeff Fredette) KDX 220. Back in 2005, Fredette took a bone stock- not even run yet, bike to (Spain??? I could be wrong but it was the ISDE) and packed it in his suitcases. True story. It was in 2013 AMA featuring his bike. Anyways, no break in. Just a reliable lawn mower of a bike...he won that year- along with 33 other times and finished 114 out of 115 tried. No break in. Ever! Now I do a little break in after each top end, I am on my 4th...but no issues.
Now do the follow up video about recommended maintenance intervals.
Or what oil to use
onzalimey Phillips NNNOOOOOOO! Not that....
Or how to wash your bike properly
Haha yup, change the oil daily, twice if you've ridden it.
Phil Ward bike maintenance is a bunch of hog wash
Most informative video on 2 stroke break in I've seen. Everything you need to know @ 2:18. Thank you
cheers
If its gonna fail, itll fail quickly.
spot on if there is a problem you will know . In my experience if they keep going for twenty minutes they keep going.
I’ve always run my 2 strokes at 24:1 first 2 tanks and no more then half throttle on fresh piston and never had an issue ever
Yeah and if you went to full throttle for a few bursts during that period you wouldn't have had any issues either.
I bought a bike with a brand new top end and no brake in procedure no problems 1000+ hours later and the bike is a 01 Yamaha yz426f.
Back in the 80's I certainly think it was Nessasary, probably not so much today.
-Mr.Old Guy
I've been a professional mechanic for over 45 years. When the job is done, send it down the road! I've never had an issue with any motor where I said to myself, gee, I wish I'd of broke in the motor. I used to worry as a young mechanic, but when you work flat rate, you absolutely don't do anything you don't have to.
Agree with kyle , i just change the oil after first 200kms either four or 2 stroke never had a problem.
@@greatestevar same as 4stroke just under front sprocket.
5:55 You need to cut the fenders to make it run that way.
Gotta be a Honda also
I think the exact same way! It’s a dirtbike for crying out loud.. ride it! Hope all is well for you🤙🏼
Mmmm just trust your opinion instead of some science and facts ? No experiment ? Trial and error ? Nothing ?
Lame :(
The honing in the cylinders has a crosshatch pattern that has a rougher surface by design measurable of about 8 RA(roughness average of peaks and valleys with prolifometer) So that the piston rings actually wear into the cylinders actually smoothing out material (burnishing) to let the rings seat into the cylinder(RA 2 to 4 mirror finish). After, the cylinder sleeve will have a better surface finish. Fact. If you don't ease the break in the process the cylinder walls the process acts more like a reaming cutting process removing material rather than forming. So in my opinion a slower break in will create a better stronger surface finish with applies for all moving parts.
I'm a fan of normal riding - not taking it easy. I had my aircraft engine rebuilt a few years ago. Aircraft rebuilds run $20,000+ so you really want to follow the break-in procedure. They recommend running it at full/normal power varying RPM from time to time for the first ten hours. This is to set the rings. So, I ride my bike like I usually ride when I break it in.
Sounds close to what we do with fresh race engines. Do an oil change after a couple hours of running to get the assembly lube and any metal out. No extended wide open throttle, vary RPMs as much as possible, use engine braking instead of just pushing in the clutch. This pulls vacuum in the cylinder and oil up to the rings and also expands the rings helping everything "bed in" evenly. This is how we break in car engines that will be run on road courses wide open at 10,000+ rpm for hours.
Exactly, the rings don't seat well at lower rpms, I mean they can, but Imo the best "break in" is a hard break in.
Mark Gunnison dirtbike arent fucking airplanes
All major manufacturers have put lots of time and money into their design and engineering. They don't want people to have problems with their motorcycles. Motorcycles in general are pretty durable and dirt bikes in particular are nearly bulletproof. So I agree with you on the break in... don't worry about it too much. Just have fun with the bike and stay on top of regular maintenance. Unless there is a catastrophic incident, it will surely last a VERY long time.
I just watched a video on two identical engines both freshly rebuilt in the exact same manner with the exact same parts. One was broken in very gently with no redline runs and the other got 80% throttle and redline banging in the first heat cycle. After 1000 miles they were both torn down and there was no difference in any tolerance /dimension of any engine part, with the exception of piston ring gap (very slight difference). Engine compression was identical. Dyno runs were obviously not done because the "before" runs would ruin the experiment by doing a wide-open run on the engine that is supposed to be done gently.
Another good video, thanks.
100% agreed on this subject just ride it!!
Well said, great stuff!
My bikes speak to me through the throttle.
A new piston feels in your palm just like a cold engine where you are not supposed to twist the throttle passed the bog until it warms up and the bog disappears. This, on the 1st gas tank, happens exactly at half throttle and you shouldn't exceed it nor prolong it while bogging. Shift next gear instead and pick up rolling speed from torque. Don't overburden your torque on uphills either. Better to stay off extreme uphills for the first hours unless you can climb them by rolling without ever reaching the bog.
On the 2nd gas tank the limit rises to 70% and on your third and final break-in tank, just don't pin it open yet. Wait for the fourth!
That's all i ever do, and i measure piston hours and change rings once before i change the piston.
i've never had a blown engine in 20 years!
Thanks for all the great videos brother in dirt! 💪
Sounds more like it takes you 20yrs to break the engine in lmao
@@justconcentratee No, it takes forever to need a piston change and not a single cylinder swap in 20 years or so my bro. (2x4T and 2x2T bikes)
Feel your new piston at your grip!
@@Achilleas7 I know it was jokes lol
@@justconcentratee no problem brother in dirt!
My original comment is about a joke too, the joke on us with broken engines!
come over, i hope you enjoy the channel, make sure to browse playlists for some order in the chaos!
Something to consider is, each of these engines are dyno tested before they're put into the frame. Dyno testing is no walk in the park...so in my mind, a long, multi step break in process is not necessary. The engine has already had its neck rung before it reaches the show room floor.
Matt Erwin exactly. They are all put through the mill before they even go in the bike.
Exactly
Doubt it
Is this true for every single motor they produce? I toured the Skoda factory in the Czech Republic this summer and they only test a small percentage of the motors they produce. They don't dyno test every single motor, that would slow down production immensely. Whether every engine is dyno tested before it hits the show room or not, I still agree with Kyle that breaks in seem like a load of crap...
every bike is ridden on a rolling road for a systems test. Through all of the gears and up to the rev limiter
Who has the patience to ride slowly for hours on end? Not me🤘
Now I don't have to feel guilty for giving into the temptation of letting $%^& fly
🤣same
It’s 3 heat cycles🤦🏼♂️
Yea I tried to ride slowly but that kinda flew out the window real quick
@@dakotastepesame fist ride was slow second ride engine break in flew out of the window
Is.that true with 4 stroke on and off road bike like the ktm 500 excf picking one up soon the book said exactly what u said and i was told to do oil change 1st hr of use then use the break in oil again then use synthetic oil because it makes the rings to slippery to use on 2nd oil change also i shoot guns to black guns matter
I totally agree with you butt i think its wise to at least change the oil after 15 to 30 miles
I agree. Keeping the oil clean during the first few hours makes a much bigger difference, than how the bike is ridden.
2 strokes. Matters very little. 4 strokes actually do. The rings have a different design on 4 strokes that are absolutely made to break in. The race guys it doesn't matter anyways, they're going to trash it regardless.
Thanks for the opinion.
Dirt Bike Channel anytime. You should checkout the workshop, it's a channel with an engineer that worked for most the big name manufacturers, he has one crazy long video that delves into the ring design on modern 4 strokes and their wear angle. Really cool stuff. I build engines for my race cars and use to believe heavily in the hard break in until I talked to ring manufacturers more. When I tear the engines down now I can tell a huge difference in the amount of piston rock. For a big power boosted engine you need a little but too much can cause serious issues. Longevity increases greatly with not a baby break in but not a hard break in for me for the first 600 to 1000 miles. Two stroke rings do not have this sharp end angle on the rings, they are designed to go in and take off.
I run my new bike's really hard for one hour then change the oil .this is for 4t & 2t ktm's,new pistons @ 100hrs no problems on any of my bike's
Backyard Boosters You're just gonna take his "opinion" write off like that? You're spewing facts. Lol.
This
We in india ride our two strokes for 50-60 thousand kilometres...
I agree with Kyle 100 percent. When I rebuilt mine at just under 100 hrs the first ride I didn't kill it but I still rode it like normal. Then a couple weeks later I rode a 2 day dual sport 100 mi per day. 60 hrs on rebuild now and running great.
This video is the equivalent of "well my car runs fine when I don't change the oil for 30k miles so why would I change it at 3k miles." Something doesn't have to go wrong or run wrong for you to practice preventative maintenance.
Kyle never keeps his bikes for over ten minutes so what does he know!
is ktm ur sponsor? ktm sponsoring me would be my liife wish come true
No, they have never paid me a dime. I wish they would frankly! I've helped sell thousands of their bikes.
Dirt Bike Channel i know man been watching u . Hope to see u again on ur bike in the fastest time
Dirt Bike Channel you helped me pick my KTM 🙏. Thank you
Totally agree. I broke my new 250x in with a 52 mile enduro. First tank at 40:1, 50:1 at the fuel stop and 60:1 ever since... using Honda sp2, cuz it’s blue.
Lean jetting kills way more bikes than low break in time....
I have 370 hours on my yz125 running 34:1
i watched 2minutes of this video and clearly you dont know what your talking about. i couldnt watch your video anymore when you said a bike dose not need engine heat cycles to break it in. if you do not perform heat cycles ESPECIALLY IN COLD WEATHER your engine cylinder will warp, crack and most cases seize. coming from Australia mate read ya KTM service manual. Mr golden rich boy im pissed off because your giving newbies advice that is insanely stupid and its going to send people left out of pocket because they will have to buy a new cylinder WORTH OVER $500 second hand if lucky. go ahead Mr golden boy fang it hard without heat cycles.
jamie dreyer wow
All "break in" means is to keep the cylinder pressures and temperatures lower during the initial wear contact of rings/pistons. Because this can change the metallurgy of the contact surfaces which will affect wear over time.
This applies to any engine you want to last.
Most people/racers replace their dirtbike every couple years and give their problems to the new owner.
It also depends on if you have just rebuilt with a forged or cast piston. Forged pistons take longer to warm and adapt to heat. Bottom line : Don't overthink it, just be smart. Take it easy for a little while and then just ride!
KTM puts the motor through testing before you ever get it. Full throttle dyno test during production.
So they are breaking the "break in" procedure!!! Those dastardly devils!
blog.ktm.com/a-visit-to-the-ktm-engine-plant-2/
Thats complete bullshit!
I was working in KTM Germany (Ursensollen)
They test the new year bikes, and all bikes that got tested doesnt get selled.
They put it in a truck and drive across germany to events.
Hahahaha I’m an off-road racer from Canada, and one of the mechanics for Ktm Canada told me that when Ktm finishes a bike, the first thing they do is throw it on the dyno, start it up, and instantly hold it wide open until it hits the limiter. If it survives it makes the cut if it dies it’s a “piece of ****”. This may be an over exaggeration. But if it’s not this proves the “break in factor”. This proves our point
Ok ok, while the topic of break ins is debatable, you MUST warm up an engine before riding hard - especially a two stroke. The cylinder and piston will heat up and if they aren't warmed up fully the piston rings can chip the ports.
"how do i break in my bike?", well, you bought it new, so you've got a manual with it. it says it right in that manual.
not if you rebuild the shit
It only says it in the manual just to protect the manufacturer from any kind of blame or fault!!!!!!
most people dont have a manual cause a brand new bike isnt the move a lot of the time lmao
my yz250x literally says to pull the top end and change the piston after break in
I rebuilt a yz 125 and didn’t break it in... locked up after 30 minutes of running it
Brody Hays did you have a fresh cylinder ?
S Franklin yeah it was a brand new big bore kit
What about the premix? Do you run it thicker with oil for the first few tanks or just run with the regular mix?
Regular mix all the time.
one or two mild heat cycles and they're good to go. There is a needed break in procedure, as in don't go full bore immediately off the start.
Break in procedures are generally from the old days when cams needed to break in otherwise you'd destroy it. anymore that's not needed. especially on a 2 stroke.
True: the ONLY consideration on a 2-stroke is the piston ring(s). If you're worried about it, just mix in a little more oil on the first tank. After that, the bike's race-ready! Even during the first tank, you still want to give it bursts of full throttle in its power band, just to set the ring(s).
Totally agree
My manual says to replace piston/rings somewhere around 10-12 hours (not that I do) so if you're supposed to follow the manual and go half throttle for first 10 hours you will be riding with new top end all the time and never go full throttle. A year and a half ago I put a new top end on my 2 stroke and went full throttle first day, still runs great.
I had a Suzuki TS 50X and the break in was crazy according to the manual. Think you had to ride it at 30km/h for first 800km...
After my engine rebuild, I took it out, 2nd gear didn’t feel the same, it was not boggy but had no power it felt like, what do I do
Same here. However my bike is fuel injected 4 stroke. It's getting better after 40 minutes of riding. I'm sure the ecu is 'learning' the new top end
Break-in is to self clearance parts that weren't properly made in the 1st place. Warm it up and get on the pipe, no problem. Engine needs to be at operating temperature before you wick-it EVERY TIME, I REPEAT , WARM I UP every time you ride and you won't have a problem !
I have a 110 4stroke with 500 or more hours onley problems spark plugs .and filter
Gaming And rc cars LOL klx or crf?
TTR Yamaha but it has lost power and bogs
Gaming And rc cars That's probably a carburator issue. If you had a problem with your rings you'd be smoking out your exhaust.
Key takeaway: break in doesn’t matter. Buy a new bike or rebuild the engine every month
In all seriousness if you don’t do it… that’s fine. I do because the first few oil changes in every small engine I’ve ever had there’s metal flakes coming out from the manufacturing process. And maybe it matters more with “cheap” or “low quality” engines but yeah I take a few hours to get the metal flakes out before they cause an issue
You can either believe the engineers who designed and tested every aspect of the engine, or you can believe random people online. It's a classic fallacy... just because you didn't follow the break in guidelines but didn't see immediate negative consequences doesn't mean they weren't there. There's no reason to recommend a proper break in if it didn't actually benefit from one.
the most reliable engine i ever had was in my integra. built it, started it up. reved it up a couple times brought it up to operating temperature, changed the oil. straight to the dyno 700whp pulls lol. 6 years running strong. 2 litre 4 banger. engine break it is over hyped. this isnt 1960s tech..
Same here: I have an '06 Toyota Prius. Ran it easy for ~200 miles, then, ran it ragged. Climbing steep mountain grades, and flooring it, just to see how fast it would go.(109 MPH)Then, I had the oil changed after 1,500 miles. I only use OEM air and oil filters. After 270,000 miles it burns less oil, than my sister's new Prius, which has 100,000 fewer miles on it. I usually only burn 1/2 quart in 5,000 miles. The result is, the low oil consumption means that I'm STILL running my ORIGINAL catalytic converter, and oxygen sensor. My sister has had both those components replaced. I believe, that oil fouls emission control components, and they're NOT cheap, to have replaced!!
As long as you have enough clean oil in it (and premix for 2 stroke) you’ll be good just take it easy till it gets fully warmed up
I got xc w150 2018 24 hours on only and already have electric start problem it’s because I’m not breaking properly right? Hehe! No0p! Just bad luck.😩
Just get to the point Jesus Christ
I think new motors do have a significant break in, but it just happens to the machining, and riding has very little effect to the break in of the components. But that being said, 4 strokes need an oil change after the break in. For sure.
Get the glitter out
Well said Kyle . Couldn’t agree more . In fact , I even lean a little further the other way . I break my stuff in hard .. not stupid about it .. but I open it up good in the first few hours .. full throttle blasts mixed with hard decal engine braking . This goes for my dirt bikes .. quads and side x sides I’ve had .. snowmobile. I even break in my new trucks this way . I’ve never had any kind of engine trouble with anything . No burning oil . No premature wear . One thing i do with 4 stokes which I’m surprised the manufacturers don’t say to in the manual . I change the oil after the first ride . Other than that .. giver !
💯
My friend broke in his Husqvarna TC 125 2017 after a top end rebuild, new piston and honed cylinder.....he just warmed it up really good, like let it idle for 10minutes, and then he rode in less than half rpm for like a 2hrs, then he went normaly....bike still runs great
Im close to agreeing with you.. just my opinion, heat cycle it 2 or 3 times, take it a bit easy on it for the first hour or 2.. then ride it like you stole it
How the f are you getting 150 hours
If you're having a hard time achieving that many hours, you might need to switch brands on the air filter, or, change oil more frequently.(4-str0ke) You might need to add a little more oil to the fuel mix.(2-stroke) I don't know which kind of engine your bike has, but you should have no trouble getting at LEAST that many hours, without any appreciable degradation of performance.
My ‘16 ktm is on 210 hours all stock everything runs good still
Guy doesn’t know what he’s talking about. When you put/have a new piston in a bike you need to brake it in so that the rings can mate with the cylinder & suppose to use natural oil not synthetic while brakeing it in. Warm up the bike to the operating temp & let it cool down. Then drive up 30-50% throttle. Then after cool drive it up to full throttle If you take it easy on the new piston for long It will shock the piston later & cause issues
ride it like you are going to ride it.
Just grabbed a 2024 kx80 i fouled the plug first day lol switch from a grom to a 2 stroke I have to do things way different 😢
Well, I don't believe on break in rules as well. I hit a full throttle right at the time they handed me over my bike. They were looking at me like I'm crazy when I did that. Then I just said "I paid my bike with my money so it's up to me to believe in your stupid break in myth or not".. then go ahead and ride my bike as I normally do. No speed restriction (except the road has) and mo worries.. hahah
Here's another reason why brake-in theories may exist. The oil used 100 years ago was nowhere near as good as it is now. It was probably more important to do a brake in then considering the oil and fuel they had. The importance of doing a brake-in was passed down over the years past the time of it's necessity. This is just a theory.
I've never ridden a motorcycle but built my first two stroke motorized bicycle so the subject at hand is of interest to me.
Hard break in regardless of the engine size and/or design. Been proven time and time again. Can't get the rings to set properly without a good amount of pressure and heat. That being said, the motor has already run through a cycle or two before it ever gets to a showroom floor. 90% of the work has already been done for you. Just ride or stub it, you'll be fine....
Before watching, my 2024 yz250 manual says tonuse 15:1 mix for 30 min and stay under 1/2 throttle. Let the cylinder cool down completely. Then go ride it for another 30 min under 3/4 throttle. After that full hour youre good to go on 30:1. Basically is what the manual says. But im interested to see what this video says. I will edit after 🤙EDIT: I completely agree with what youve said, dont rip on it for the first tank and after that its probably good to go
The top end on my KTM seized up going down a firetrail 3rd ride in.
Its a ktm what did you expect. I'm joking ahah
Don’t completely back off the throttle and let the engine suck air.
You have to use a very low throttle or give the throttle a good blip every few seconds to get a little fuel oil mix to the piston and rings to keep them lubricated so you don’t do damage or seize the engine. It’s a 2-stroke thing.🙏🏽😎
My 16 Ktm 450sxf has 210 hours and stock everything runs strong
@@dominicpayne23 Got the luck
I have a CRF 450 2008 with more than 500h cros country and enduro riding.
I think the most important part of riding is to rev it, but also drop down a gear while engine braking. This (supposedly) brings oil to upper parts of the rings.
I belive this method only applies to 4 Strokes. Topends are lubricated by the fuel.... not crankcase in a 2t.
Breaking in a dirt bike is not necessary for real. Dont go crazy but your ok to just go ride it around. If your using mini bike engines especially horizontal engines meant for snow blowers or predator engines i suggest breaking them in because its not really built for that. Iv owned and worked on plenty of those engines to know what happens to most of them when not broken in. They fail more often then not.
Thank you U help me so so much I’m going to brake it in like say b/c u have lots of ex I got my son 2022 kx65 for Christmas 👍👍👍👍💯💯💯
I haven't changed my piston in 3 years and don't when the owner before me changed it. So i have put down around 700h and yhea it lost power over the years but for trail riding i did not feel mutch differens.
My YZ250X I just rode it to break it in,just like youre saying in the video. I even went full throttle here and there. I just didnt run it Pinned wide open, But I dont usually ride pinned wide open anyway, there are too many turns and cliffs to fall off where I ride.. LOL But the bike works great.
I was thinking the same way when i got my polaris sportsman 570. evryone was saying you have to spend like 5 hours breaking in the belt or basically the quad will be fucked. i rolde in low gear slow for like 10 mins and then I was like fuck his i cant take it anymore so i opened it up in high and its been fine over like 15 hours. people on facebook groups were scaring the shit outa me at first and I was pissed that i had to wait so long to open it up but i did and everything was fine.
Pretty easy, just read the manual and do what it says. The people who make the bikes know what they are doing
Im a few years late seeing this but i agree 100%. Maybe its my ocd but i would add for those that dont rebuild their bike every 150hrs to just stick with the same oil you used during break in... meaning dont use fully syn amsoil then dollar general non syn then klotz benoil😂
Hell, I JUST rebuilt the top end and cam chain on a 1990 Dr350 which IS STILL USING THE FACTORY PISTON, the cylinder is STILL within spec. And beautiful inside, back in 1990 the whole break in wasn’t really a thing yet. Hell my 400ex from 03 still has all factory piston AND
Rings. Although that’s going to be rebuilt
ASAP since the stem seals are done. Break in procedures are fake news man, my
1989 kx250 had well over 500 hours before it started noticeably losing any amount of power.
I broke in a YZ250X yesterday. Followed the directions exactly. 15:1 ratio for five minutes light throttle. Let her cool and started the second heat cycle. The plug was so fouled it died. Changed the plug and finished the cycle. I have no idea what the previous owner did but the engine only made 40 hours before it lost compression. It might be overkill but the engineers came up with a procedure and I will stick with it.
If you ever tour the Corvette plant you get to see them start one for the first time and they are not easy on it.Some of them go right from the assembly line to the dyno.