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Discussion Starter · #1 ·
Need a little point in the right direction. I had overbored carbs for my F8 and now have gone back to stock cylinders and need to get a handle on the jetting. It has 42mm overbored carbs and current jetting is 510n with needle in fifth position. I am sure that going to the fourth position will be fine on the needle but I should also be able to drop down in jet size. It also has a 4 degree key with speedwerx intake and 2 tpi with stock reeds. I am selling the sled and want to give it to the next owner that is fairly safe and if they want to jet down, then it is up to them. Anyone out there running overbored carbs on their F7? Any help is appreciated. I have no time to get on snow and jet it down myslef as it will be gone this weekend.

Thanks

Jester
 

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Discussion Starter · #4 ·
Thansks, What needle position should i have for this application.

Jester
 
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