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Latest Registry Entry
1965 Honda CP77 — Ulsan Metro City, Rep. Korea
Restored with original parts — Owner: J. Doe
Piston Wrist Pin Removal
Piston Wrist Pin Removal
Does anyone have any neat tricks for removing the wrist pins that hold the pistons on? I have removed the cir-clips and the pins move but seem to be interference fit. I heard once that you are supposed to heat up the piston so it expands and then slide the pins out, but this was on a big car engine. Does this apply or is there a better way?<br /><br />Thanks in advance.
Re: Piston Wrist Pin Removal
the piston pins are a floating type and after removing the circlips should slide out.. hope that helps..
Re: Piston Wrist Pin Removal
Make a puller from threaded rod and different size washers. Put a BIG washer over the piston on the 'tightening side', install a nut and tighten away. The piston pins are not a real interference fit.