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wrist pin needle bearing lubrication holes
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05-23-2008, 04:43 PM
sisdavid
Master Motorized Bicycle Builder
Join Date: Mar 2008
Location: Daytona Beach
Posts: 201
Re: wrist pin needle bearing lubrication holes
Here is some pictures of my work in progress. Thing is the bushing on the wrist pin did not look bad in the first place. I just have some little marks or scratches on the cylinder walls, but not much. It's kind of like some crome pealed off or something that is where the red arrow is pointing to. Just a little spot and a little scratchy in another black arrow. I guess I will sand the area down where the bushing was and go with another bushing. Did a compression test was at 120 lbs and after 1/2 hr it was 118 lbs.
Sand off the old bearing surface with some fine sand paper.
Last edited by sisdavid : 05-23-2008 at
04:44 PM
. Reason: Forgot something.
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