How to rebuild 2-stroke engine - YZ125 build

Автокөліктер мен көлік құралдары

Hey guys today we are going to rebuild our 2 stroke dirt bike engine YZ125, this is the video from my Yamaha YZ125 dirt bike build series, check out the 2001 YZ125 build playlist for more build videos. Cheers!
• New 2 stroke dirt bike...
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how to rebuild Yamaha YZ125 2-stroke dirt bike engine

Пікірлер: 81

  • @evopwrmods
    @evopwrmods5 ай бұрын

    You said to come watch so here I am. 63 yr old intends to build his ultimate lightweight motobike. As light as possible, as much power as possible. Your video gives me alot to now go off of thanks.

  • @jeffbrownell279
    @jeffbrownell279 Жыл бұрын

    Very cool,i have been building 2t,s for over 30 years and your mechanic is excellent.You turned me on to some new music also that I put on my Spotify to listen to in shop working on bikes.

  • @dirtniron

    @dirtniron

    Жыл бұрын

    appreciate the feedback Jeff, glad you like the music too!

  • @tomnekuda3818
    @tomnekuda3818 Жыл бұрын

    Finally, Rado, I'm an old man and I didn't think I'd live long enough to see it go together.

  • @dirtniron

    @dirtniron

    Жыл бұрын

    hahaha, you are so funny Tom! I will hurry up now, keeping you in mind ;)

  • @tomnekuda3818

    @tomnekuda3818

    Жыл бұрын

    @@dirtniron Hey Rado - I love the music that you use in your uploads.....could you let us know what it is and who puts it out? Have a nice Christmas. P.S. I feel bad for those in Ukraine after what those Soviet bastards did to my native home. I wish I was a young man..........

  • @dirtniron

    @dirtniron

    Жыл бұрын

    Tom, all the songs are from Michael Shynes he is less known artist but I really love his songs and they are not expensive to get for the videos. www.youtube.com/@michaelshynesmusic Yea, I feel you about Ukraine situation.. I used to live in Kiev for some time and still have a lot of friends there..

  • @tomnekuda3818

    @tomnekuda3818

    Жыл бұрын

    @@dirtniron Thanks for the info. I wish we could somehow wipe the scourge of the Soviets out of our lives or, at least, our countries. Seems Ukrainian president very brave man; hope he comes thru this alive. My mother is Polish and between Germany and Russia, they've really raised hell with Poland as well. Hope your friends OK. I was active in boxing and met one of the Klitschko brothers and also Lomachenko. I know Klitschko has gone back in-country to fight Russians.

  • @grubbm4927
    @grubbm4927 Жыл бұрын

    Nice job! Motor looks awesome! Great video, as they always are!

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks man!

  • @gethexe
    @gethexe Жыл бұрын

    That engine looks really good, I like the color combo!

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks man, glad you like it!

  • @brettlaage9687
    @brettlaage9687 Жыл бұрын

    Looks good! This makes me want to get my 125 back together like right now 😂

  • @dirtniron

    @dirtniron

    Жыл бұрын

    go for it Brett! ;)

  • @AOL0321
    @AOL0321 Жыл бұрын

    Very cool! Was that a special box wrench about 19 min. into the video, that you used with the torque wrench or vice versa?

  • @3BrothersExtreme
    @3BrothersExtreme Жыл бұрын

    Great video. Brad is the man!!

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks bros, he is for sure!

  • @someoneyouknow96
    @someoneyouknow96 Жыл бұрын

    It almost looks like this guy knows what he’s doing!

  • @dirtniron

    @dirtniron

    Жыл бұрын

    yep thats right!

  • @upside721

    @upside721

    Жыл бұрын

    Indeed. Except he's not wearing gloves. Repetitive contact with all those chemicals is a fast track to cancer. Plus he'll probably get much more frequent flus with his body having to express that crap out periodically.

  • @2Stroke_Lovers5

    @2Stroke_Lovers5

    Жыл бұрын

    Allahumma shalli 'alaa sayyidinaa muhammad wa'alaa aali sayyidinaa muhammad wasallim tasliima Yok Tobat Kawan Dan Jangan Lupa Sholat Dan Sholawat😁😀😊😊😊😊

  • @AndrewPodolak

    @AndrewPodolak

    Ай бұрын

    I am not sure about that maybe if he finds a bigger hammer

  • @olliechristopher467
    @olliechristopher467 Жыл бұрын

    Rado, No wonder you have so many subscribers!! Cup of coffee along with good music and tech build video was very mellow and enjoyable start of my day. I'm getting ready to ride and peel miles off my beast (Super Tenere) this morning. What a contrast to the 125!! LOL

  • @dirtniron

    @dirtniron

    Жыл бұрын

    Right on Ollie, glad you enjoy the video. I wouldn’t mind to peel some miles on Super Tenere too 😉

  • @agentorange3927
    @agentorange3927 Жыл бұрын

    Engine looks great, I’m excited to see how it performs with the 134 .

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks man, me too! It should be pretty noticeable difference. Hoping to race 2023 2 stroke world championship on it ;)

  • @2Stroke_Lovers5

    @2Stroke_Lovers5

    Жыл бұрын

    Allahumma shalli 'alaa sayyidinaa muhammad wa'alaa aali sayyidinaa muhammad wasallim tasliima Yok Tobat Kawan Dan Jangan Lupa Sholat Dan Sholawat😁😀😊😊😊😊😊

  • @JustLivingLife269
    @JustLivingLife269 Жыл бұрын

    Any tips on what it could be when your two stroke seizes while riding then the kickstart completely locks up? Ive took the head and cylinder off, piston and cylinder seem fine no seizure in the head but i have no idea where to look next😢

  • @JustLivingLife269
    @JustLivingLife269 Жыл бұрын

    What is the oil you use to lube the cylinder and piston ?

  • @Dirt_Bike_Dave
    @Dirt_Bike_Dave Жыл бұрын

    Looking good Rado !! 😁👍

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks Dave, appreciate it!

  • @juanjosemunozgarcia1276
    @juanjosemunozgarcia1276 Жыл бұрын

    Awesome work

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks Juan, glad you like it!

  • @gordonstimmel4590
    @gordonstimmel4590 Жыл бұрын

    That's awesome buddy even when my Yamaha Dream bike was in a million peaces never give up easier said than done

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks Gordon, best feeling once the bike starts coming together

  • @user-ws9gg9wd1p
    @user-ws9gg9wd1p9 ай бұрын

    Que torque llevan las tuercas de la cabeza y el cilindro?

  • @migoust
    @migoust Жыл бұрын

    Great job! Congratulations! The engine is beautiful! I love the gray on the cylinder head and the clutch housing! If it’s cerakote I’d like to know the reference Thank you Michel de France

  • @dirtniron

    @dirtniron

    Жыл бұрын

    hey man, glad you like it! Yes it is cerakote, tungsten color.

  • @can_with_beans
    @can_with_beans3 ай бұрын

    So you mean to tell me that I could rebuild a 2 stroke in a weekend? HELL YEAH

  • @abhimanyuinjeti5326
    @abhimanyuinjeti5326 Жыл бұрын

    Clean build

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks bro!

  • @zardportugal
    @zardportugal Жыл бұрын

    Great job.

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks bro!

  • @geoffkoop
    @geoffkoop Жыл бұрын

    How do I see what music was in this video?

  • @numbzinger350
    @numbzinger350 Жыл бұрын

    I just picked up a shiny new '23 YZ125X and plan to install a Rekluse TorqDrive clutch pack asap. I understand replacing a worn clutch basket but is there any performance advantage to an aftermarket basket over a stock one at this point? Was there any particular reason for your choice of a Wiseco basket over the Rekluse? Inquiring minds need to know.

  • @dirtniron

    @dirtniron

    Жыл бұрын

    hi, I would get full rekluse setup but they dont make basket for my old 2001 YZ125. The clutch pack is really good, more durable and stronger than stock, plus it comes with those metal sleeves so it actually protects your stock basket and it lasts much longer. My old basket was notched out badly. Wiseco was one of few companies who made tough billet basket for my bike, plus they have great quality stuff so I got their basket. I think you are fine with stock basket and rekluse torqDrive clutch pack, unless you are going to really abuse that clutch so maybe better upgrade to billet one. Rekluse has super durable clutch for "abusers" that comes with everything, checkout this video for good info about their stuff kzread.info/dash/bejne/X2d1lrWyXdTSqcY.html

  • @numbzinger350

    @numbzinger350

    Жыл бұрын

    @@dirtniron Thanks for the reply. I guess that would make me an unregistered abuser.

  • @ewetoobsux1
    @ewetoobsux12 ай бұрын

    Dirt and "Iron"? I mean, yeah there's some iron in there among all the Aluminum, Magnesium, and various alloys made up of the two. Sure, a lotta internals like tranny shafts, gears, forks, shift drum/rotor and such are ferrous alloys... so yeah, there's some iron,... just questionable as to whether it's a sufficient amount to warrant a name/moniker. At any rate, it's obvious you've turned quite a few wrenches, and for more than a time or two,... you're sharp bro. You're good!

  • @brutus6328
    @brutus6328 Жыл бұрын

    Really enjoy your vids....new sub!!! Question....I have a new 2023 KTM SX-F 350 and the manual calls for 10W-50 and I don't see that Rotella sells it. Can I use a different weight oil other than 10W-50?

  • @dirtniron

    @dirtniron

    Жыл бұрын

    Thanks man. We use that oil on latest models with no problems at all. If its my bike i would run rotella in it and save money for gas and tires. Its up to you tho. Take care

  • @brutus6328

    @brutus6328

    Жыл бұрын

    @@dirtniron So, what weights are acceptable to run in the new SX-F 350? I can run 10W-40 or 10W-50 or 15W-50 or 20W-50? I get confused regarding the weights. I just know the KTM manual says 10W-50. I assume it has to be synthetic, correct? I greatly appreciate all the help!!!

  • @arjunp.r2489
    @arjunp.r24897 ай бұрын

    What is the engine mileage per litre

  • @DoeMan777
    @DoeMan777 Жыл бұрын

    Great job 👏

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks Marco, glad you like it!

  • @DoeMan777

    @DoeMan777

    Жыл бұрын

    @@dirtniron Your work and attention to detail is fabulous, keep up the good work and great content

  • @dirtniron

    @dirtniron

    Жыл бұрын

    Appreciate it Marco👍

  • @alicerhodes7437
    @alicerhodes74373 ай бұрын

    what is that white liquid at 14:18? 😢

  • @romanianmoto
    @romanianmoto Жыл бұрын

    Need some 125 or 250 builds

  • @Jsa_28
    @Jsa_28Ай бұрын

    Where can i get all these parts?

  • @dirtniron

    @dirtniron

    Ай бұрын

    you can get them directly from the companies websites, wiseco, prox, rekluse, etc

  • @bjornzorger3731
    @bjornzorger3731 Жыл бұрын

    I enjoy your channel, hopefully next time you will re build an engine yourself

  • @dirtniron

    @dirtniron

    Жыл бұрын

    what would Brad do then? ;)

  • @shannonscott5788
    @shannonscott5788 Жыл бұрын

    Let’s here in sing, send, rip👍🤷🏽‍♂️

  • @sevensi62
    @sevensi62 Жыл бұрын

    How much was the kit? The motor came out amazing and I really want to try a big bore kit on a 125 for the local track. Keep up the amazing content and thanks for sharing 👍

  • @dirtniron

    @dirtniron

    Жыл бұрын

    I am not exactly sure how much, it depends what exactly you need him to do. Get in touch with Tom he is very responsive and can take care of you. morganracingengines.com/

  • @simonekjachnik6634
    @simonekjachnik6634 Жыл бұрын

    great build , looks so fresh. horrible music but thats ok

  • @dirtniron

    @dirtniron

    Жыл бұрын

    send me a list on not horrible copyright free songs for me next video, I would really appreciate that ;)

  • @sawsapo8901
    @sawsapo8901 Жыл бұрын

    torque range tool is that expensive in America lol

  • @dirtniron

    @dirtniron

    Жыл бұрын

    AAM - American Association of Mechanics gets their best mechanics elbows calibrated annually, Brad is one of them. You guys don't get that?

  • @2Stroke_Lovers5
    @2Stroke_Lovers5 Жыл бұрын

    Allahumma shalli 'alaa sayyidinaa muhammad wa'alaa aali sayyidinaa muhammad wasallim tasliima Yok Tobat Kawan Dan Jangan Lupa Sholat Dan Sholawat😁😀😊😊😊😊

  • @jjjjjjjjrifufjssjosskenf
    @jjjjjjjjrifufjssjosskenf Жыл бұрын

    Great video. Go easy on the music next time.

  • @MTnumber11

    @MTnumber11

    Жыл бұрын

    Bible thumper music sounds like a copy of a copy of a copy. Better to have nothing. Silence is golden

  • @dirtniron

    @dirtniron

    Жыл бұрын

    ok..

  • @okerhrh4139
    @okerhrh413910 ай бұрын

    So so so much stuff remains unclear, skipped soooo many parts and important details. Thanks for the guide though, but this isn’t a good one. Any small details I had to google myself. Not that useful

  • @romanianmoto
    @romanianmoto Жыл бұрын

    This music so painful. Difficult make threw the video.

  • @user-mg5og8ve2y
    @user-mg5og8ve2y Жыл бұрын

    Probably a good video but I can’t get past the crap music.

  • @dragoslavpetrovic3616
    @dragoslavpetrovic3616 Жыл бұрын

    This engine is so beautiful!!!

  • @dirtniron

    @dirtniron

    Жыл бұрын

    thanks Drago, appreciate it!

  • @dragoslavpetrovic3616

    @dragoslavpetrovic3616

    Жыл бұрын

    @@dirtniron Thanks Rado 😀

  • @2Stroke_Lovers5
    @2Stroke_Lovers5 Жыл бұрын

    Allahumma shalli 'alaa sayyidinaa muhammad wa'alaa aali sayyidinaa muhammad wasallim tasliima Yok Tobat Kawan Dan Jangan Lupa Sholat Dan Sholawat😁😀😊😊😊😊😊

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