Got ahold of a 1966 motor and frame the other day. Evidently the host bike had been sitting out for a while! The pistons rings had rusted into the bores solid! I tried penetrating oil, brake fluid, heat, hammering, etc.
The only way short of drilling them out is to remove the 8 studs! Get what slack you can bettween the bottom end and top end and clamp (big strong clamps). Place a bottle jack in the cylinder. Clamp it in tight turn it so the bottle jack in right side up and pump it should give a little at a time (keep switching sides) till there free. you got a 6 out of 10 chance of saving the pistons this way. It worked for me!
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The only way short of drilling them out is to remove the 8 studs! Get what slack you can bettween the bottom end and top end and clamp (big strong clamps). Place a bottle jack in the cylinder. Clamp it in tight turn it so the bottle jack in right side up and pump it should give a little at a time (keep switching sides) till there free. you got a 6 out of 10 chance of saving the pistons this way. It worked for me!
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