2 Stroke Engine Full Rebuild - DID I WAIT TOO LONG?
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- Опубліковано 6 вер 2024
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2298 S. Industrial Hwy.
Ann Arbor, MI 48104
United States
I got the freight train package for my 125x. Love it.
Love to hear it!!!
Hi... Cool video.. What metering rod and what measurement are you running the metering rod on the lectron carb. What is the approx altitude and ambient temperatures that you ride. Any advice would be very much appreciated thank you
Is anybody else amazed by how much fun and power can come out of such a little engine? Pretty sick 🤙🏻
No because i have very much fun riding my yz 85
i love my 125
It blows my mind every time I ride it! Haha
2 strokes are superior.
Most people cant even ride a 125 to it's full potential, all these bumps like 450s because it's what the pros ride.
I'm a big fan of yamaha. Their motors have always been extremely reliable. The lectron by itself really wakes up a lot of bikes throughout the powerband and i'm really surprised at how well that entire kit wakes up that 125. The lectron, paired with v-force 3 reeds, turbine core 2 and a gnarly pipe brings all of the torque out of my 98 cr250.
Awesome filming dude! Those Yamahas are pretty dang tough, I’m planning on doing a top end pretty soon for my YZ250FX.
Thanks dawg! Hope we get to ride more this winter!
You have my sympathy. 😳
2 strokes are reliable, as long as you take care of them and be sure they have fresh/proper lubrication
Yep, my dad has a 14' beta rr 300.
he bought it new and now it has 1300 Hours on the odometer, only engine repairs ever were:
-a new clutch and piston every 400 hours
- it has the 2nd spark plug in it so about 1000h on one spark plug
thats it, no new bearings or cylinder.
This beast of an engine will certainly outlive the frame since we do a lot of hardenduro riding and you can only weld the frame a couple times before bad stuff happens lol
@@user-gx1sv3hj9k i call bullshit
@@Lukas-iq3cv call who ever you want, these things run forever...
@@user-gx1sv3hj9k yes but 2 stroke plug lasting 1000hr no
@@Lukas-iq3cv are you aware of the fact that these bikes are not ran like 125s? even the best riders in the world ride mostly below 6k rpm
in short, you didin't wait too long
Ding ding!!!
Yeah. Clickbait...
Thanks! Saved me 8 minutes!
I’d like to see some videos of your track progress. Keep it up man, love the vids
I’ll just say, there’s LOTS of progress done. Haven’t filmed any of it. Had to get things done before the ground froze otherwise riding in the spring would be super delayed. I built a full on Moto track...it’s sick. I’ll try to get a winter riding video on it once the ground freezes enough to warrant studs
My nephew just smoked my rm125. 97. No clue how many hours but man i have a ton of play on the rod so now i gotta get that done. Cant find a new crank anywhere so probable gonna have the local shop press new bearings. Quoted me 500 i didnt think that was bad at all.
Nick is awesome at what he does! Know him from our younger years.
I don’t understand why someone would dislike this
Another great video, thanks for all of them!! Can you tell us the cost and rough time for this kind of rebuild ? I'm picking up my 125x in January and can't wait!
To do the rebuild yourself, probably $800 for parts. To pay someone to do it, maybe $1200-$1500
Glad i went back through my subs and found the video announcing this channel.
My name is Brad also. From the grand rapids area. You ever ride with any viewers? Would love to go out and rip it up with ya and maybe learn a thing or two!
BuT TWo stRoKes ReQuirE MoRe MAintENanCe
Nobody says that lol. My 2 stroke is older then my 4 stroke and I ride both equally and maintained both equally and the 4 stroke causes the most amount of issues out of any other 2 stroke ive ever seen. My 2 stroke also has had less work done to it, like having to clean the carb and all that. So I must say 4 strokes are much more of a hassle then 2 strokes. And 2 strokes are easier to maintenence then a 4 stroke considering how much lighter and easier things travel on the 2 strokes
@@user-wc7vn6uz9h he was making a joke
My 14 500exc has got 1446hrs on it, all singles mainly, ridden hard but never seen the rev limiter doesn't need to, done top end twice (just piston and rings) piston looked like new both times and rings still in spec, valves have never needed adjusting so you guys that say 2 strokes need less maintenance are kidding and I own a husky 300i,it will need 2 full rebuilds to get that many hours up.
Awesome job. Love these teardowns and your choice in bikes.
Sick video, Brad! Keep em coming!
Thanks Scott!
What’s redline rpm from that bike
do you any reckoned good parts for a rm 85?
You should do more pranks and love you videos
Just found his channel through the prank video, it was done really well, he should do more.
I plan to! I’m gonna try to get a “Derrick” series going haha
you should get injected small bore 2 stroke for your next bike and test them out!
Great, it seems so easy into your hands !
What oil were you using and mixing ratio ?
Feels like a commercial or one of those TV shows that just tells you to buy stuff
Wow you caught me. Here I thought I was being sneaky.
I’m 32 and I got my very first bike this past summer, but I’m just not mechanically inclined. I’d love to be able to repair/replace/upgrade parts on my bike, but I get overwhelmed and I’m afraid that I’m going to ruin whatever it is I’m taking apart.
That intro was insane
I love the music at the beginning
Song name?
im going to do this soon to a quad
One way to avoid that crank seal from going bad is to take the ignition cover off after you wash it and let it dry out and blow some air in there.
Are you going to re Nickasil the old cylinder or just keep refreshing with new OEM cylinders?
been a subscriber for longgg time wr450 days wild
aye thats my mechanic hahaha
Great video
Is the freight train pack suitable for different moto brands
Wow... thats alot of hours for a 125.
Normally most never go past 50 hours on a top end on a 125.
That set up shows how good it is for sure 👍.
The setup combined with how I ride it definitely is the ticket. I’ll make a video on my maintenece, as well as riding technique to keep it running reliably that long!
@@BeRAD i run 32/1 Yamalube r
Clean filter every other ride, maxima filter oil.
I dont bounce off the rev limiter.
I do proper warm ups before I move it.
I avoid over boils by turning it off asap when I stop to chat or rest or wait my turn.
I'm at about 130 hours on the stock engine with the original spark plug.
Oh shell gold gas with a splash of stp octane boost.
And occasionally run yamaha ring free additive to keep things clean from carbon build up.
Been a real long time since any of our bikes failed
@@endurotruckererniedesjardins 130 hours on top end?!
@@blownn420 dw i have 687h on my 50cc 2stroke supermoto on a top end and i just tore it down and it dosnt even have any scoring
@@thegamingmanlv2034 Damn that's insane.. My sleeved 125 cylinder was way out of round after 40 hours on a top end. Excessive piston slap caused the ring to spin out of place, causing some major scoring.
Hey brad, Ive got a 2010 Yz250 its completly stock other than a heavy flywheel, Do you think the freight train bundle will be great for it for enduro? Or should i just get cetain bits of the package?
I certainly recommend the whole kit. That’s the reason I put it together!! If that’s out of your budget however, I’d recommend for sure the Lectron and Apex head. RAD valve will show the least improvement but of course if you want the best performance the whole kit is the way to go! You also get the air filter for free plus a few extra bucks if you buy the kit since i discount it as a package 😁
@@BeRAD Ill definitly look into it man, Appreciate it, Is there much difference in Yz250 gears and Yz250x gears? Worth changing them out?
Quality videography buddy! Great work. I need to start using my Canon for making videos when I'm not shooting GoPro footage. I'm still very one dimensional when it comes to getting good footage.
Thanks man!! Do it. You’ll have fun with it. I got so caught up in gopro stuff years ago, but it just doesn’t allow as much creativity...refreshing to use the canon!
We need more vids from you man you are amazing
Thank you!!! I know...I’m trying. I won’t except posting anything that isn’t the best work I can do so they’re few and far between. Hoping to make posts more frequently for next year
Newbie here. What part of a two stroke needs to be rebuilt and how often and why?
Why do new engines wear out so fast? I have an 86 KDX 200 my uncle handed down to me and other than aftermarket reeds it runs perfect and starts 1 or 2 kick.
Hi great video what metering rod are you running on the yz125 using the lectron Carb and what measurement have you got it set at? what is the altitude and ambient temperature that you are approximately Riding at any advice would be very much appreciated thanks
i only rebuild if it stops runnin
Hey @BeRAD what does it cost to do a full rebuild on a yz 250
shoot me a message on instagram if you are interested in a build @metrolakes
How much mileage if 150 hours is convert to distance covered in kilometer? 3000 km? 5000 km or maybe more?
Would the freight train kit work for a 2021 yz250f? Seems like its lacking some low/mid grab👊
I do not know if available for you, It would be nice to see what amount of power is at the wheel of a newly done motor to just after rebuild.
would need to be broken in first or good luck with the 2nd rebuild
Good vid :)
Thank you!
Hey man just wondering do you still have the old tank from the 2002 yz250 build?
Bro why it’s a 2020 I’ve been hard ripping my 125 for 3 years now and still running great
Is it a HONDA?
@@jimmadonna1436 no Suzuki
What performance mods would you recommend for a 125cc pit bike (4 stroke)
Hey berad are you gonna get anymore posters in?
May i know where to buy his engine stand? I like his stand coz i can turn.
Can you do a video on cluch control
Shredddderrrr
Love the vids up the good work
I'm debating if I want to tackle the top end on my YZ250X myself or not when it comes time to rebuild. I'm mechanically inclined, but I don't want to mess something up on my $10k bike... But that's also why I went 2 stroke, so I could do the maintenance myself. I'm just not sure how much money I'd save doing it myself vs having someone do it for me.
If you have any friends that have rebuilt an engine on a bike get them to help you
@@butterontoast7443 Unfortunately I don't, but I've done a lot of work on cars so I'm sure with a couple UA-cam vids I should be able to get it done.
Do it yourself, it's painfully simple just pull up your service manual and take it slow you can't really mess it up. Then don't go wide open right after you put a fresh top end for a good few heat cycles you should be good.
40 years of rebuilding 2 strokes..
I'd say the hardest part for a beginner is properly taking apart the power valve and putting it back together right. The arrow on the piston always points towards the exhaust direction. 3/8 drive torque wrench is the only expensive tool you absolutely need.
Biggest tip.... extremely clean bike is a must... if any sand drops inside the engine... thats really bad. So wash it really really clean.
@@endurotruckererniedesjardins Thanks for the advice! Do you know if there is a way to get the power valve cover off without removing the cylinder? I'm not ready for a rebuild just yet, but I want to clean the valve out a bit because there is a lot of thick gunk coming from the vent tube after the bike sits for a while.
Post more often
how many hours do you ride with gear oil?
BERAD, don’t u have a YZ 250 to?
Yup!
Nice bike.
Can I use this kit on a 1999 cr125?
My yz125 has compression and starts first kick but has no powerband ? Someone help me pls!!!
Hola tengo una yz250 2 tiempos y no se como ajustar la suspencion para enduro y me gustaría tener tu consejo puedes ayudarme por favor
Quality video
Thank you!
Do you ride with glasses on? If so what goggles do you use that fit over them? I have Oakley air brakes and they don’t fit over my glasses.
You can get prescription goggle inserts, checkout SportRX (get the digital ones, regular are crap) or Google for other companies. Otherwise find some snow goggles as they tend to have more room.
Isn’t the lectron carb too long? I’ve heard from a lot of guys that the airbox connection into the carb rubs against the shock spring.
Mine does a little bit but it’s not too bad
It makes the air pot touch the spring slightly. Was 250 hours deep on my old 250x and nothing more than a scuff Mark. Same on the 125. You’d never know it!
👍🏽
what dome with you recommend for the Apex head Mx sx or Xc I ride a little bit of everything but mostly same riding as you
XC for sure!! Has the best range of power.
@@BeRAD do you run race gas with that head? I’m trying to build a cr125 for woods and I have a flywheel weight and skidplate and went up 4 teeth in the rear but would like to get some low end power so I can go back down some teeth
@@alexdamron3170 nope I run 93 pump gas. It’s what’s recommended with the apex head. You’ll lose power with race gas.
@@BeRAD oh sweet deal do they make that head for 2000 cr125’s? I’d like to keep my bottom end and still be able to go faster because with my gearing my bike only does about 52-55
Do you deliver to finland?
Yes!
150 hours is what I put on my top end
Nice glasses, four eyes. jk I missed you brother.
Those mountains were in Michigan?!
Montana
@@BeRAD Very cool. Thanks for the response. Now I know I must visit Montana. Last year I rented I Harley and rode around Oregon form Portland to Cali and back up through Bend. What a life changing experience. Great Vids thanks
The prices on you're site are a bit to high😱
7:00 Yo dude, get those knuckle savers back on and some color theme. Make it look like it runs
Yeah I’ve been waiting on hand guards for months. Polisport is backordered.
@@BeRAD Your not kidding..Polisport is popular. I"m waiting on Nardo Grey plastics for mine. I just installed Cycra Pro Bend Ultra Handguards With HCM Mount on mine. They fit perfectly and am very pleased with them.
A little off topic but when when you ride enduros and stuff do you wear contacts or put goggles over your glasses ? I am at the age I kind of need my glasses and not sure I want to go to contacts .
Contacts! I used to wear glasses and it sucked. Contacts literally changed my life with ridjng
@@BeRAD so how was it getting used to putting them in and all that stuff ? Do you ever get dirt in them while riding ? I have to admit im being a big baby about it .lol.
BTW thanks for replying
I’d go every 500 hours
700 for a engine stand? Wow
UPLOAD MORE
Pretty sure ik where he's from🤔🤔🤔
Answer: Yes.
BERAD..I gotta 250x AND WANT THE .MX APEX HEAD ALONG WITH THE LECTRON AND BOYSEN REED VALVE..WILL MX HEAD MAKE IT A REGULAR YZ POWERBAND...OR WILL IT RETAIN SOME OF TRACTIBILITY.?.I WANT MORE TOP..
Sounds like the Mx head will be good for you if your main goal is to improve top end. You’ll probably lose a bit of bottom but not much. It will also help smooth the mid range which should still retain some tractability!
@@BeRAD excellent and proven advice ! Thank you so much..I will try it for sure. If it is too pipey for me i will try flywheel weight then if that isn't it .. go and get xc dome
@@craigsteinman9807 yeah even with the XC dome, both 125 and 250 retain good top end pull
If I ride my stock 2018 yz250 and jump on my buddies 2018 yz250x..
Its really hard to tell which bike I'm riding.
@@endurotruckererniedesjardins why do u say that?..
Sup
You didn’t wait long enough
My pistor Ride over 200mth😂 on 125yz
That think has no compression considering you rebuilt it 😂😂😂😂
Hahahaha compared to the 250 it feels so weird to kick! It felt wrong to me too but that’s just how it always has been.
150 hours. . .
I have nsr125 with 80k km, never done any rebuilds on anything, starts always, runs beautifuly.
If 10 hours would be 1k km, so mine should have then 800 hours.
150 hours, 50 hours? Lol, who told u to rebuild engine at that?
Change the piston ring if u think u will get more hp, change that seal if it's leaking.
U, americans either do not understand mechanics, or u have some paranoid at such quick rebuilds.
I don't know, if ur piston goes away at 50 hours, just put then more oil in gas! 20:1 or so. Why follow stupid recomendations on 33:1, 40:1, 50:1 ?
bro ik what u mean, but you gotta understand some people rebuild at 50 hours cause they want to keep the bikes power at its peak, that’s because some might race or some just wanna get faster and want their bike to pull at its full potential. also it’s a race built engine ur nsr will always last longer mate. but some people run even single ring pistons which might last even less than two ring ones. ur bike will lose power quite a bit if u dont rebuild much, especially when track riding wide open on a 125
Why do you rebuild so often are we supposed to do that... I thought we do simple stuff like oil and stuff but your literally taking apart everything and that’s too much for me but I really want you input
ништяк, пойду каву перетряхну
To the 1% reading this god bless, stay safe and have a wonderful day (my dream is to become a famous moto vloger) Thanks ❤️❤️
This stuff is pretty weak if it stb at 100-200 hrs
why waste the time and money splitting a case when there is nothing wrong ?
Hindsight is 20/20 eh? The first minute of the video explains pretty clearly why I split the case lol.
@@BeRAD yea i know i still think it was a waste and it got taken apart and was fine like it was going to be anyways lol
minor performance parts arent going to blow out the bottom end
Crank was perfect but got replaced 🤔