So ordered a big bore kit a while ago and it came through today in the post : D can't wait to get it on the bike when it's back!! even supplied me with a red power band ;) anyone know if this will actually run okay with the 3bm head?
here's the piston
Power band and piston together
My cup and the piston
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FASTER FASTER UNTIL THE THRILL OF SPEED OVERCOMES THE FEAR OF DEATH