Yamaha 100cc bucket racing motor

This motor was originally built for a bucket racing bike and has had a lot of modifications made to it. From what I can tell it is a Yamaha DT bottom end. The cylinder has been sleeved down to 52mm to suit a Yamaha 100cc piston (100cc rules for racing). The port timing has been raised and the squish gap machined to suit. Has been converted to water cooled and runs an aux waterpump off of the crank. Will require a new piston. Comes with a handmade expansion chamber and mu See more

NZ$300

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