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Yamaha MX & Off-Road Dirt Bikes
03 ttr125 troubles
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[QUOTE="Rich Rohrich, post: 1469087, member: 16241"] What you are describing certainly sounds like an engine that at a minimum needs new rings. Doing a leakdown test or less reliable but still helpful, a compression test should give you a better idea of how worn it is. The good news is it's an incredibly easy engine to work on and the parts are relatively cheap. Plus if you have to take it apart anyway it's a great excuse to hot rod that little motor, which it will respond to nicely. While you have it apart if you take some weight off the flywheel you can really wake the engine up. I took 24 ounces off the flywheel on mine. Other inexpensive but useful mods are running a high flow airfilter with an opened up airbox snorkel along with a richer pilot jet and richer main jet . [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
03 ttr125 troubles
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