They come with a plug from the factory but many have the plug fall out after a good bit of use.

Stihl ms250 leaking bar oil. Refurbish the oil lines your oil delivery mechanism may have encountered a fault. This particular saw was leaking lots of oil near the muffler. The oil holes in the bar are small you can drill out the hole a little, the hole only needs to be as large as the oil channel in the saw.

The amount of oil being circulated inside the bar at any given time can be between.3 and.5 oz. The die will make it easier. That hole leads directly down to the oil pump so caution must be used when.

If it's leaking while sitting, it would be wise to pull the clutch cover and bar to look for the source. Remove bar, clean out groove. If you’re leaking oil onto the clutch, then you probably have worn seals around the oil pump or.

My stihl ms250 is leaking bar/chain oil as i cut as well as when it is sitting, but it is a steady drip as it cuts. Using a long flat tip screwdriver can adjust the amount of oil the bar gets, clockwise increases it, counter decreases it. View attachment 24486 please only read the the.

I have a stihl ms250 and ms170 and they both leak oil. If it's leaking while running as well, you may want to start it up with the bar off. The oil pump system on an ms250 chainsaw consists of a tank, pump and hoses.

The lubricating properties are sufficient to use as bar oil so don't worry. The ms170 is worse than the 250 but if you google the problem it's pretty common. Does it leak along the bar and chain the oil should come out of the oiler channel, enter the bar and is pushed along the bar by the movement of the chain drive links.