crankshaft bearing

Hi Folks, I recently bought an used engine off ebay for building another MS461. Piston and cylinder were heavily scored, but their replacement was intended anyway (had an OEM kit waiting). Upon disassembly, I discovered that the crankshaft is shot too (the captive bearing is missing chunks)...

I've got a 661 I'm working on. P&C got destroyed, and I may have found the reason why. I took the P&C off, and the crankshaft is rough to turn by hand and nearly impossible with the starter. It's good for about 2/3 of the rotation but 1/3 is rough and hard hard to turn through. Flywheel isn't...

My dad has an old 056 that he hasn't used for years....a few months ago he decided to take it to the shop and get tuned up just for the occasional use. The mechanic said the cylinder looked fine and he actually had it running, but that he was pretty sure it needed a crank bearing and that they...

Hi all, I'm doing an MS361 rebuild due to a couple of air leaks. One was in the cylinder base gasket, the other was on the clutch-side oil seal. I replaced the oil seals, and I matched the depth of the original seals; however, I noticed after the fact that the clutch side crankshaft bearing...