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hello people, im now looking for a replacement gearbox for my kz1000(1980) ive found one of a 1980 z750 does anybody know if there the same, cheers mat

I have not tried to put a 750 trans in a 1000, but I seriously doubt that it would work.

You can compare part numbers at buykawasaki.com to see for sure.

whats wrong with the transmission in the 1000?

Also, in 1980, there were differences between the transmissions/clutches in the KZ1000 models. Which model are you talking about? Can't say for sure on the KZ750 transmission. Someone else asked what was wrong with your transmission... perhaps there is some other solution if we know more particulars.

hello, my gearbox has a slipping third gear, i was only considering getting the replacement gearbox as its so cheap, im hoping that the problem is just a bent sector fork or something simple- i cant see any obious wear on main and layshaft pinions, anyway more tech info always appreciated - cheers mat

battymatty wrote:

hello, my gearbox has a slipping third gear, i was only considering getting the replacement gearbox as its so cheap, im hoping that the problem is just a bent sector fork or something simple- i cant see any obious wear on main and layshaft pinions, anyway more tech info always appreciated - cheers mat

i once had a similar issue with an old yamaha 350 2 stroker. i found the problem was the drive dogs on the side of the third gear were slightly worn into what id call a ramp instead of squared off like they were supposed to be. i took it apart and used a diamond file to make them all square again...problem solved no more poppin outta gear and hitting the redline !! steve