Thread: Spark knock
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Old 05-15-2008, 10:49 AM
sisdavid sisdavid is offline
Motorized Bicycle Elite Member
Join Date: Mar 2008
Location: Daytona Beach
Posts: 257
Default Spark knock

I hear a little banging around in my engine I hope it is not a bearing bounching around in there. I just put high octane fuel in it today, and it still was doing it, do these engines spark knock?
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