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I'm working on a B&S two cylinder engine 44K777-0125-G on an Exmark zero-turn. The exhaust valve seat came out of one of the heads. The valve got stuck open. That allowed the push rod to pop out of position. It ended up twisted and mangled inside the engine which also destroyed the camshaft. I...

I have a customer who has a 20 year old John Deere SST15 with a Kohler CV15S engine. He ran it without oil and, well, you know what happened. I'm trying to put a new crankshaft and connecting rod in it. However, when the connecting rod failed, it impacted the bottom of the cylinder and broke a...

A customer ran his Craftsman lawn tractor without oil. Of course, the connecting rod broke and the crankshaft is not useable. I bought a new connecting rod and a used crankshaft. I've actually tried two different crankshafts and counterweights. I keep having the same problem. The crankshaft...