oil leak

I bought an ms880 a while ago, my mate is repairing it, tried replacing parts in the oil pump but it didn't fix the issue, he reckons it's possibly the pipes or something deeper internally. I originally suspected that the pressure from the engine was forcing out the oil. It really does pump it...

I was given a 461 with an unknown history. It was sitting for a least 6-8 months. I don't know much about saws so please bear with me. I changed all the fluids, it then ran perfect as far as I could tell. However it smoked a lot from the side, I pulled off the cover (took the pic) and...

Alright here goes, As the title says I performed my 2nd 064 to 066 big bore conversion, not sure if that's relevant to this issue though.. After the swap I pressure/vac tested, found a leaking Flywheel side crank seal, replaced that. Then found a leak at the clutch side bearing seat in the...

My 260 is leaking bar oil like crazy. I have done all of the things recommended in similar threads like checking the seal between the oil pump and the pickup tube, checking the seal on the filler cap. I need some help with the oil valve in particular. I took a paperclip and poked it in the...