RelicRuss

Hello,
I blew a piston in my exciter 570 and tiny bits of aluminum got into the crankcase. I took the crankcase apart and the crank bearings were full of aluminum from the piston,so I blew out the bearings with compressed air and now they turn freely. They are still within wear specifications. Just wondering if the bearings should be replaced in the crankshaft, or will they be alright?
thanks,
Russ

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'90 Yamaha Exciter 570
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smallengineguy

Wash them out well with fuel and compressed air again. Then spin them well while using an oil can fill of 2 stroke to get the oil back to them.

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