XR400 gaskets on 400ex
#1
#4
It is the gasket that is between the head (where the carb goes in and the exhaust pipes go out) and the cylinder (where the piston is) which is below the head. There is a third area (the top) where the cam is and the rocker valves are. Hope it helps. I just changed mine and I think it gave me more power.
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jrooker6
Polaris
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04-23-2016 07:36 PM
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