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Old 04-30-2010, 03:46 AM
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BarelyAWake BarelyAWake is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Maine
Posts: 7,212
Default Re: Burned Oil in Muffler??

Originally Posted by Nashville Kat View Post

I didn't like the end cap having a smaller opening than the exhaust manifold...
BTW, the reason for that even with a proper tuned exhaust is a certain amount of exhaust backpressure is needed with a 2 stroke to prevent unburned fuel/air mixture passing right through the cylinder & into the exhaust.

I suspect Kevron's deposits are prolly normal however *shrug*
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