Need help with a tuning kit, how do you tune your scooter, which kit should I choose, and all general tuning and modifcations questions are for in here.
by jonno » Sun May 14, 2017 9:43 pm
Had a rebore and new piston.The new piston has larger inlet windows than the old one.Will I have to upjet the carb? TS1 cr250 piston.
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jonno
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