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  1. tjurek51

    Piston to Valve Clearances

    Bike: 1980 CB750F Supersport. I'm installing a new camshaft which is much higher lobed than the stock camshafts (Webcam Grind #110, part 55-491). I'm new to this precision measurement stuff, but here's what i have; Valve lift: .395" (10.03mm) on both Exhaust and Intake. Starting at 20 degrees...