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Old 03-25-2008, 06:54 PM
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Pablo Pablo is offline
Master Bike Builder & Forum Sponsor
Join Date: Dec 2007
Location: Duvall, WA PNW
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Default Re: Engine Sputter

Originally Posted by Biker Mike View Post
When I first installed my engine, it ran out great. As time and a few miles went by, it started missing at higher RPM's. I noticed oil coming from the exhaust gasket around this time as well. My question is, would a blown exhaust gasket effect high speed RPM? I have not torn into one of these engines yet and do not know what the reed valves look like (any pic's of valves?).
An exhaust leak will make it run a bit leaner, as will breaking in. I'll bet it's with the crappy carb, but go ahead and do the new plug and wire upgrade. After that go one notch richer on the needle.......
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