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Smokin!

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So I just finished my project bike, cured the low end pops, the thing runs friggin awesome!   Its a rocket.   Starts first kick, purs like a kitten at idle.

 

But, here the thing.   When I'm sitting at idle and rev the engine, smoke puffs out the exhaust.

 

I checked the valve clearances and they are perfect.  

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So I just finished my project bike, cured the low end pops, the thing runs friggin awesome!   Its a rocket.   Starts first kick, purs like a kitten at idle.

 

But, here the thing.   When I'm sitting at idle and rev the engine, smoke puffs out the exhaust.

 

I checked the valve clearances and they are perfect.

Just excessive fuel from the accelerator pump. You can change the leak jet but not a big deal unless it causes it to run to rich on the track when you hit the throttle. Remember with the bike on the stand there is no real load on the engine so it may run rich sitting there while your wapping on the throttle.

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