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Old September 15th, 2009, 06:45 PM   #12
Racer x
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Name: Eric
Location: Iowa City
Join Date: May 2009

Motorcycle(s): 2008 Kawmeracchi 350 2010 Project X

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That is something you will have to figure out.But somewhere from 105 -114

There are a lot of other things to consider. Spark plug heat range is one and timing and the fuel you use. All play a part in the final jet selection. BUT from a guess. I would go 110 and don't go over 43 deg of advance and don't rev it past 13500 rpm . That is with the full system and a drop in K&N with the snorkel removed on pump gas 93. Also go cooler with the plug go from 8s to 9s. avoid pinning while testing and see how it runs.
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