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Yamaha MX & Off-Road Dirt Bikes
some pw50 hop-up questions...
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[QUOTE="jfontenot, post: 765918, member: 38930"] My son raced his PW50 for a year or two (or should I say he beat it to the ground for a year or two). Here’s what I did to help the little guy out in the power/speed department. Swiss cheese the air box or replace it all together – let it breath! Remove the nylon gear from the oil injector pump and run pre-mix. Plasma cut the pipe and gut it clean on the inside (if you make the cuts on the inside of the pipe facing the bike no one will ever know). Remove that pesky silencer. Re-jet! Can remember put I think I actually went down a size or two, you may have to play it by ear. Snip the electronic rev limiter wire located under the seat (I think it’s the white one, not sure – you may want do some research). Dial in the carb and you see a big difference in performance Good luck! [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
some pw50 hop-up questions...
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