Is it possible for me to bolt a 657 or 720 engine into my 91 Seadoo.
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657,720 in my 91sp
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Would I be able to use the same carb intake, exhaust manifolds and flywheel. How about the rotary valve and oil pump? If I was to purchase lets say a 657 off you guy's would you take my 587 as core? The other problem is that my 587 has a crack in the lower rear crankcase due to a bigend rod bearing failure(probably could be welded)
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No, no, no, no, no and no. [img]tongue.gif[/img]
We can weld holes and cracks as long as the damage is not to any mating surface.
http://www.sbtontheweb.com/welding.htm
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