If you remove the pan, unbolt the rod cap, drive out rod piston and liner in one operation! Throw these out as they need to be replaced. Check to see if crank is free. Don't fix it if it's not broke......Dale
You are on wrong side of motor! Pull pan side , disconnect cap bolts on rod, cover threads with hose to protect crank! Use wood block to drive rod, piston,and liner out head side. then see if crank is free if so replace parts you need after cylinder is out you may be able to save rod! I own a yanmar Ysm8 same motor type easy to work on!…Dale
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