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  1. surveywaters

    XR70 carb on a z50

    I have the carb from a 2000 xr70 (actually, whole top end -head). I was wondering if there would be any benefit from putting the 70's carb and intake on my '99 Z50r. I would eventually like to put the jug and an E22 head on it also, but the bike is running fine now and I hate to tear off a...
  2. surveywaters

    XR70 top end upgrade

    I need to replace the rings on my boys 70. I figure I might as well go on and do the 88cc bore. Looks like this would require a hi volume oil pump. Probably should go ahead and get the 20mm carb and intake which may require a new throttle cable. A lot of these kits come with cams, is...
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