Thread: Piston Arm?
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Old 06-23-2008, 07:54 PM
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Norman Norman is offline
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Join Date: Jan 2008
Location: pampa texas
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Default Re: Piston Arm?

I have no specs. on these engines but I'm guessing you should be ok. You don't see any metal flakes or metalic particles inside the crankcase do you?
That would be caused by a needle bearing trashing on either the wrist pin or on the crank end of the rod.
what you had outlined in red is the wrist pin end of the connecting rod.
You will have some side to side play on both the wrist pin end and the big end of the rod and as sorry as these engines are made probably some circular twist as well.
It looks like either you have a needle bearing wrist pin or else you pressed out the writ pin bushing.
Are you having a problem or hearing a strange noise with this engine?
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