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  1. Cambertire11

    28mm OKO jetting questions

    I have a fresh stock top end with milled head to get 165 to 170 cranking compression 28mm OKO carb (new) w spacer and reeds no airbox lid Big adjustable pipe w silencer freshly packed 152 main middle clip 45 pilot air screw 1.5 turns out Summer air temps in Wis. 32 to 1 starts easily takes a...