02 400ex piston issue - Honda TRX Forum
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post #1 of 2 Old 05-08-2018, 05:01 AM Thread Starter
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02 400ex piston issue

I have an 02 Honda trx 400ex I just picked up quad ran but needed top end I put new cylinder and piston on 3quarters of the piston sits flush when top dead quarter of it sits little lower then flush top dead rod looked straight and nearly had any play anyone know what would cause this
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post #2 of 2 Old 05-09-2018, 09:50 PM
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PPP - Piss Poor Parts - provided the rod is not bent. How did the original piston set when you took it apart?

Possibly poor parts prep before assembly - did you get all the old gasket material off the engine cases before you installed the new gasket and cylinder?
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