1655 Gas Knock

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1655 Gas Knock

Postby Dads1655 » Wed May 25, 2016 8:05 pm

I 1655 gas that has a knock at about 17-1800 RPM, it sounds like it is near the front of the engine. The throttle arm on the governor has a pulse that goes along with the knock. I have checked the rod bearings and they are all good. The governor has been updated. The engine has about 45oo hours on it. I am wondering it the timing gears could be the problem... Has anyone had any similar experience..Any help would be appreciated!!
Dads1655
 
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