Busted valve and tappet - Kawasaki ZX-10R.net
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post #1 of 2 Old 08-07-2008, 09:52 AM Thread Starter
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Busted valve

I justed replaced my motor with a used motor that is stock except a muzzy turbo i installed.I started bike it ran rough so i had to rev it to keep it running so i could adjust the idle after a few minutes it died and would not turn over.
I took the valve cover off and found a busted tappet on the #1 piston exhaust valve.
So thats no problem i got a extra complete head but after pulling head i find the valve broke in half and stuck in the piston,also found a bolt in there to.
I recieved the motor with out throttle bodes and has not missing any bolts when installing motor.
The cylinder wall is fine and i have 4 good stock pistons would it be ok to just replace that one are do i need to do moreClick image for larger version

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Last edited by cueman; 08-07-2008 at 11:10 PM. Reason: added picks and question
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post #2 of 2 Old 08-08-2008, 12:48 PM
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That bolt is what ruined your engine.
If I were you IŽd change the connecting rod as well. It probably got stressed when the piston locked.
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