joe schmo Posted July 21, 2014 Report Share Posted July 21, 2014 I'm taking apart this motor I have no problems with to replace old gaskets and seals etc. I have 2 different pistons in it I think Yamaha (225) and wiseco(2.25 513p9 cd 19910) ,same bore size but different porting.... can I run them again with no problem? Idk why I can't upload any pic's!!! Quote Link to comment Share on other sites More sharing options...
BUILDER Posted July 21, 2014 Report Share Posted July 21, 2014 If it has 2 different size pistons in the the weight is going to be different and that is not a good idea to do that! Quote Link to comment Share on other sites More sharing options...
Starwriter Posted July 22, 2014 Report Share Posted July 22, 2014 same bore size but different porting.... can I run them again with no problem? WTF??? 1 cast piston, 1 forged piston, different porting? Quote Link to comment Share on other sites More sharing options...
Zillaguy Posted July 22, 2014 Report Share Posted July 22, 2014 This can't be for real, right? Quote Link to comment Share on other sites More sharing options...
m671054 Posted July 22, 2014 Report Share Posted July 22, 2014 He probably means intake windows. And no buy 2 new pistons 1 Quote Link to comment Share on other sites More sharing options...
joe schmo Posted July 22, 2014 Author Report Share Posted July 22, 2014 M671054 yes thank you,I mean the Windows on the pistons. Thanks everyone I will get new pistons. Quote Link to comment Share on other sites More sharing options...
Starwriter Posted July 22, 2014 Report Share Posted July 22, 2014 Personally, I wouldn't spend money on 66.25 cylinders. Quote Link to comment Share on other sites More sharing options...
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