Question about 2003 Yamaha TT-R 125 E

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I am a mechanic and own sevral bikes pw 50, cr 125R, xr100R,etc

I am a mechanic and own sevral bikes pw 50, cr 125R, xr100R,xr650R,rm250, a pro pitbike...and so on and on my pw 50 i had a simalr problem... i tore the bike down and built it up again..no use then did it again but this time a found a major problem... there are two silinoids in most bikes one is a running coil the other is a starting coil.... if your starting coil is good the bike will run for about 0-8 seconds then die this is due to the engine once it gets itself warmed up enough it will automaticaly switch coils and if you running coil is bad it wont run.. i sugest finding your running coil and bringing it down to your local dirtbike or auto shop and having them test it.. if u need one they can be cheap ($30) and get expencive ($800) urs will prolly be cheaper due to the popularity of that bike. hope that helps

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Hi there. I think you posted your "solution" under questions. GREAT answer, though.

Posted on Oct 05, 2009

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