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Believed to be Jonsonred actually

Just going to cut firewood out of 5' diameter elm... Think it's going to be fine but we'll see... 65 cc watercooled will put the front wheel off the ground with a 180lb man (2006 rm65)

That's the exact video I watched how to do it with! The 2nd bearing just slipped right on but (when heating) flash burned away the factory oil coating. No hammering at all on it just slipped on. The first bearing didn't get as hot and got stuck 1/2 way again no hammering. The shaft is all the...

genuine with Sweden markings

SKF bearings from wolf creek saw shop; commonly used for builds, USA made. And the backside of a hatchet from tractor supply co. The bearing slipped right on, the resistance was noticed after heating and sliding on the crank but before putting the crank into the case. The oil did burn off for...

Ahh that's something I didn't notice. When replacing the cylinder, it didn't seem to help anything. I can swap the new cylinder on it now and see if it will start.

Sure, it seemed to lock up, but it just quit abruptly when cutting and still can turn over afterwards. The bearings seemed to be in very good shape at first but after fine testing I could notice a slight gritty feeling and when turning the inner race back and forth with a finger it seemed brand...

Ok, I ordered a new crankcase assembly for my 372xp. That might help diagnose it. This one seems to have high resistance when pulling.

Yessir, I was heating to put both on the crank, the race is fully metallic. The torch was moved around quickly and kept at a distance, while focused on the inner race. It's just a camping torch propane n/a. The second bearing I heated, the factory oil coating flashed away in a split second, just...

HI, is it possible to ruin new crank bearings with a propane torch? Holding the flame at a distance and all of a sudden see the oil coating poof into a flash of flame, installed and nothing added. Never became discolored or purposely try to heat it too fast. The crank is centered but wondering...

Is it a common issue to ruin a crankshaft on a chainsaw? ex: the crank bends and now the saw his higher resistance and wont start? Just a slight tweak, not from a chain getting too hot and shrinking but from use? My 372xp has issues and cant put a finger on it, seems to be bottom end failure...

Hi, I have a 372xp that won't start or fire. It seems to have high pulling resistance after it quit mid cut. It quit on me when sawing just one cut on a 2x12 cedar rough cut lumber. It seemed to abruptly lock up on me but it did not sieze and the piston to the cylinder.. Here's the...

Is it possible the seal on the pull handle side is pressed to far in?? (rubbing on the bearing) I might be having a similar issue but not sure mabye thats not the issue