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Discussion Starter · #1 · (Edited)
Arctic Cat ZR580 cylinder question

Working on a freinds 94 Arctic Cat 580 ZR EFI.

Melted a piston, and trying to keep the repair costs down. I found a 95 used cylinder and piston in really nice shape with only 400 miles on them. The problem is the intake on the 93-94 is 38mm, and the 95 and up is 40 mm. Any thoughts as to what effects that would have?

Thanks in advance.
 
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