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I just made some mods to my 2001 raptor 660 engine and I need some advice with jetting. I found a few jetting kits but don't know wich one could fit best. My engine:
Wiseco high compression +20mm bore
Hot Cam stage 2 cam with springs and retainers Hot Cam kit for stage 2
Ported head with stock valves
DynaTek programmable CDI
Big Gun Header and pipe
K&N air filter with stock filter box
I will be using this 660 primary for mud, but I made some upgrades to have better performance in street and some drag. Any recommendations with the jetting options?
 

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27.5 pilots, 180 left carb 185 right carb mains, try the needles in the stock location first and try the air screws at the stock location first.

If you are too rich, try a new billet adapter in your stock box. Awesome upgrade.

- doc
 
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