what year jug swap

I have 2 engines for a kz650, 1977 and 1979. I wanted to upgrade cylinder jugs. What year cylinder jugs will fit off of a kz 750? Will a gpz 750 jugs fit?

Will this fit on the 77-79 motor?
eBay Link

Post edited by: vach, at: 2007/04/25 17:52

Post edited by: steell, at: 2007/04/25 21:26

1980 KZ750 four is the year you want to swap on an early 650 (prior to 81-81). You can use the sleeves out of any of them, but as far as I have been able to determine, only the 1980 cylinder block has provision for the roller cam chain of the early 650's.

So the one on eBay is the one you want.