Thread: Spark knock
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Old 05-15-2008, 01:56 PM
Skyliner70cc Skyliner70cc is offline
Join Date: Mar 2008
Posts: 138
Default Re: Spark knock

no, at a 6.5:1 compression ratio, you could run kerosene and it still wouldn't knock.

What you have is a worn wrist pin bushing giving you notice it needs to be replaced. Do it sooner rather than later or you could really damage your engine.
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