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Discussion Starter #1
k buddy has a 94 zr700 motor.. cooked it.. went and bought another 700 but the heads say 650.. with 700 block.. the motor came out of 91 wildcat.. but the block mounts r diff..now would his orginal block fit the 91 crank and 650 heads... info would be helpful
 

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670HOMAN said:
k buddy has a 94 zr700 motor.. cooked it.. went and bought another 700 but the heads say 650.. with 700 block.. the motor came out of 91 wildcat.. but the block mounts r diff..now would his orginal block fit the 91 crank and 650 heads... info would be helpful
Short answer from what I can tell no. The part numbers are different.
what exactly crapped out on him?
 

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Discussion Starter #3
he wants to know if the 91 crank will fit in his 94 crank case... there both 700's.. the orginal 700 blew top.. but crank sat out in summer rain water wecked crank
 

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91 is a 650, they made a 650 before the 700, I think the stroke is the same 68mm, the bore is 78mm instead of 81mm
 
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