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Discussion Starter #1
I was able to pick up 2 bikes from a guy and one of the motors is completely seized and has been sitting for 20 years. I was able to remove the head but having a really hard time getting the pistons out. I am not able to crank the motor over at all. It is completely frozen. Just wondering if its even worth trying to salvage this thing. I wanted to get to the case cause I am sure there is some good parts in there that might be worth holding onto. Anyone have some recommendation for me on how to get this thing even more disassembled?
 

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Various solvents can help with the disassembly. My personal favorite is 1/2 ATF and 1/2 acetone. Pour a cup or so into each cylinder, seal it as best you can, then let it work as long as you can stand it.
 

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Discussion Starter #4
I tried the butane torch on the pistons but not sure where I should be hammering. I don't want to ruin any of the fins on the cylinder.
 
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