Thread: godzilla reborn
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Old May 3rd, 2018, 07:16 AM   #7
Ralgha
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Name: Kevin
Location: Portland, OR
Join Date: Oct 2013

Motorcycle(s): Ninja 250R, Tiger 800 XRT

Posts: 828
Quote:
Originally Posted by maverick9611 View Post
mains stay same size?
Not ideally (usually), but just shims is a marked improvement for many. I put on a full Area-P exhaust, and ended up going DOWN a size in the main jet for the optimal tune. Don't know how the shims relate to original since they're different needles.
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