How To Rebuild the Top End on a Yamaha PW50
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- Опубліковано 24 лип 2024
- Yamaha PW50 Top End Engine Rebuild: www.rockymountainatvmc.com/Sa...
Rebuilding the top end on your 2-stroke PW50 may seem like a daunting task but with the right tools and know-how, the job can be done quickly and save you a lot of money over going to a shop. In this video, Charles shows the process of how to properly rebuild the top end and remove the exhaust restrictor plate on the legendary Yamaha PW50 2-stroke. The steps shown here will work for all PW50 models from 1981 through 2023.
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So glad me and my son found this video!!!
My buddy gave me a pw50 for free needed a rebuild I found this and made it super easy!
Glad it helped! What year PW did you get? We've also got all of the plastics, graphics, and tires to get your bike freshened up 👍🏼 - Wes
Dont know why i am watching this i don't even have one or anything related but here i am😂
Same
Well we appreciate it and now you know how to rebuild a PW50 👍
🤣🤣🤣
Im rebuilding one, motor is so simple and i'm unsure why im watching it, cant hurt, right?
You do have fun doing things the right way. So, Thanks for another fine demonstration.
Rebuilding my '85 QT50 and installing the 60cc kit. This was a good demo.
Thank you very much, super helpful 😊👍
Really helpful, thank you !
great video thanks for sharing. question, what should the end gap be on piston rings?
Dont have a PW50, came here just to see Charles👍
What perfect timing rebuilding one for the kids right now
Glad it was helpful! Thanks for checking out the video!
Are these rebuild kits pretty good or should I stay oem at least for cylinder and head?
How did it go? I can’t get my kids pw to run hardly at all, just did a new oem carb, thinking about doing a rebuild
@@ronncraddock268 the rebuild was very simple took around an hour the grand kids have put like 40 hours on it since and it still runs fantastic.
@@jonruger thanks, I was worried about buying a Chinese rebuild kit, guess I’ll go for it
Do you recommend honing the cylinder with a flex-hone to get a cross-hatching before installing?
Does anybody know if this cylinder or engine also fits the Yamaha Sting SG 50? It looks so familiar.
Solid
Hi,
After doing everything as in your tutorial my pw50 does not start anymore... it starts then squint... you would have the solution?
Thanks
*Get some decent footpegs for them.
*The OEM bars restrict the options for levers so going to the hassle of converting to aftermarket bars can be worth it as it allows you to fit reach adjustable levers.
Keep an eye on head stem bearings and races and consider upgrading as the OEM races are prone to cracking.
*You will need a dual gauge to confirm the oil pump is set correctly.
*The suspension is garbage so be prepared to spend time maximising its ability once the child starts to find its limitations, which will not take long. The 2017+ pw50 has upgraded forks and are a wise upgrade to any older pw50.
Is there a big bore option? does it really make it more powerfull? thanks
No it doesn’t
blz I'm from Brazil I have a bike like this and the start pedal stuck what could have happened
I had the same issue, I just open my pw50 and the kick shaft was broke inside , just remove the engine cover where you put the oil and you going to be able to see the broken shaft , I hope this helps you.
Can you please send me the information of the parts that you use I'm assuming they are Yamaha original parts
We used a mix of aftermarket and original Yamaha parts. The first link in the description will take you to a page with all the parts and tools that we used in this video.
What psi of compression should these pw's be at?
100-115 psi is great. If you're in the 80-100 range or less, you'll want to do a top end.
Do you not need casket glue for base gasket
For the love of God please do a video on a ttr 50 there is nothing on the tube 😂
Who had it apart in first place? U don't use RTV on head gaskets! Lol