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Join Date: Jan 2011
Location: Smack in the middle of Illinois
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Start by draining the oil - take the drain plug out and let it drain overnight to get as much oil out of the engine as possible, then take the engine out of the frame and start taking it apart. Step by step as recommended in the manual. Examine each part when removed and make a list of each part that either usable or needing replaced. If you find the piston stuck in the cylinder, you will have to devise a press to push the piston out of the cylinder. I have a large bearing separator that I use. I remove the cylinder studs, assemble the separator upside down under the cylinder, bolt a 1 x 1 1/2" bar to the separator - the bar has a 3/4" threaded hole in the center - I place a disk of 1/4" steel plate on top of the piston and using a piece of threaded rod with a nut welded to it, I screw the 'bolt' through the bar and tighten against the piston. Sometimes the cylinder needs to be heated to about 400 degrees to loosen things up, but the piston can be pressed out of the cylinder. Once the cylinder is off, you can inspect the crankshaft for damage then determine the full extent of damage. This will then determine your course of action whether to repair or replace.
Last edited by Here 2 help; 08-06-2019 at 07:24 PM.