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Old 02-14-2012, 01:18 PM
recon chris's Avatar
recon chris recon chris is offline
Motorized Bicycle Senior Member
Join Date: Apr 2011
Location: pacific grove
Posts: 87
Default Re: Getting all 3 Horse Power out of your GT-5 Sky? (tear down)

A question for you guys. At top rpm the engine seems to stop pulling. It has the ability to accelerate faster everything is painfully smooth at this point and I can feel its not caused by friction in the system (bearings chain ect.). Also the rpms that it gets to are not its Top Out rpms it sounds like the engine can go faster. I do still have the stock exhaust on it maybe the c.d.i. is advancing the spark to fast I hear it has a linear advancement arc instead of a standard motorcycles that retards the spark at higher rpms to keep up with the engine.

What do you guys think?
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