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Cooked crank seal bearings

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08' 300XCW-E, 15 hours on the engine....:lol: Any idea what would have caused this?

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Check your muffler bearings to make sure they were well-greased, and make sure your powerband has the right amount of slack as well.

If that doesn't work, make sure your knobbies were torqued properly.

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Maybe you should just replace them and hope this doesn't happen again :lol:

Seriously though, your engine is a two stroke, it has no cam or even a valve train for that matter, you must be confused with something else.

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My bad, still thinking in 4 stroke terminology lol! both CRANK bearings pooched.

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