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I usually work on jet skis so I'm not up on the quads. A friend's friend asked me to check this thing out. Compression is 120 cranking. There are some pretty noticeable score marks on the Piston wrist pin. The exhaust ports are pretty carboned up as was the spark plug. The top of the Piston is clean the combustion chamber is moderately dirty. Any input?
Was going to replace the valve seals but right about the oil pump chain coming off. Wish I never took this job on
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Was going to replace the valve seals but right about the oil pump chain coming off. Wish I never took this job on
