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Old 12-17-2008 | 01:02 PM
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w8ye
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From: Shelby, OH
Default RE: Asp 80 4 stroke carbon buildup Help
It is hard to clean the exhaust valve stem without removing the valve.

You can use the solvents you suggested to clean the engine

Regular valve lapping compound is to coarse. You need to use a finer grit like red or white rubbing compound
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