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i just bought a 93 xp, it needs a new crank. someone told me that u could use a crank from a 720 motor. is this true? whats the difference between 657 and 657x motors cause i want to rebuild the top end as well.
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Re: 657 & 657x whats the difference?
No that's not true, and just about everything is different. You can not mix and match parts.SBT Tech Support is here to help with your problems.
We try to answer each question quickly and accurately.
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Re: 657 & 657x whats the difference?
the cranks on the 657 and the 657x are the same though right?Comment
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Re: 657 & 657x whats the difference?
Yes. The crank is one of the very few shared parts between those two.SBT Tech Support is here to help with your problems.
We try to answer each question quickly and accurately.
Please do not use Private Messaging for Tech Support, use the forums.Comment
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Re: 657 & 657x whats the difference?
for SBT cranks they might be the same , but stock 657 and 657x cranks are differnt , wrist pin bearing is bigger on the 657xPRIDE IN SERVICE<br /> <img src="http://www.sbtontheweb.com/images/forposts/4609/1.jpg" alt=" - " />Comment
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