bored out big valve kawsaki 550

Discussion in 'Motorcycle Racing' started by Brendan, Aug 6, 2003.

  1. Brendan

    Brendan Guest

    Has anyone gone 4mm oversize on a kawasaki 550 engine? I am aware of
    the +2mm yoshimura 590 and +3mm wiseco 615 kits.
    Apparently z650 pistons make a 633 cc with a 1.18" z750 exhaust valve
    for an oversize inlet. Has anyone tried this?
    Brendan, Aug 6, 2003
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