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Old 09-16-2010, 08:41 PM
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OKSooner OKSooner is offline
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Stihl chainsaw leaking bar oil

I have a stihl chainsaw that's leaking bar oil like a seive.

Whats up with that? What needs to happen to fix it?

TIA
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  #2  
Old 09-16-2010, 08:56 PM
Gravel Rat Gravel Rat is offline
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Where is it leaking from do you have a cracked oil tank or is it drooling out the oiler ?

If your using winter bar oil it is thinner and will drool all my Stihls drool a little bit.
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Old 09-16-2010, 09:10 PM
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dutch1 dutch1 is offline
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Is it leaking while running or when sitting? If it's leaking while sitting, it would be wise to pull the clutch cover and bar to look for the source. If it's leaking while running as well, you may want to start it up with the bar off and plug the oil exit with a finger to check for leaks about the oil pump. You didn't mention the model, not that it would help since there are no parts breakdowns to take a gander at, but it might be one that I have encountered. You may want to consider a gasket between the oil pump and oil tank.

Possibly a Stihl guy will show up to give some better information or an indication of a particular problem with your model.
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Old 09-16-2010, 09:56 PM
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StihlMechanic StihlMechanic is offline
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While sitting, they all leak some, not really a leak but residue from the last use. Some saws have a split oil tank that has a gasket. Is the chain getting oil or not? What model? The oil is adjustable on some models, is it cranked up?
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Old 09-16-2010, 11:52 PM
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OKSooner OKSooner is offline
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Quote:
Originally Posted by StihlMechanic View Post
While sitting, they all leak some, not really a leak but residue from the last use. Some saws have a split oil tank that has a gasket. Is the chain getting oil or not? What model? The oil is adjustable on some models, is it cranked up?
The bar seems to get oil just fine, but it leaked bad bad bad and empty just sitting in my shop. I'll get you the model number over the weekend - I don't know anything about adjustable oil, so I might ax you to talk me thru it.

Thanks.
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Old 09-19-2010, 11:02 PM
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OKSooner OKSooner is offline
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Quote:
Originally Posted by StihlMechanic View Post
While sitting, they all leak some, not really a leak but residue from the last use. Some saws have a split oil tank that has a gasket. Is the chain getting oil or not? What model? The oil is adjustable on some models, is it cranked up?
It's an MS260. Other than that all I know is that it's leaking bar oil. Is this something I can take care of myself or would you recommend I take it in?

TIA
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  #7  
Old 09-19-2010, 11:35 PM
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dutch1 dutch1 is offline
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What you depends on your mechanical skills and your ability analyze the problem.

I would say that if you haven't made the effort to pull the clutch cover and bar, fill the bar oil reservoir in order to search for the leak, then, by all means you should take it to a Stihl shop for repair.
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Old 09-19-2010, 11:40 PM
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StihlMechanic StihlMechanic is offline
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I would take the bar and chain off, clean the saw very well, and go from there. The ms260 is an awesome saw but they are known to seep oil, but in your case its prob a leak. Check the obvious, check the cap, if you have the tool-less cap, they are junk and are known to not seal. There isnt a good fix for the cap other than replacing it. Good luck, let me know.
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  #9  
Old 09-20-2010, 07:21 AM
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rreyn1812 rreyn1812 is offline
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MS260 Pro Leaking Oil

Had the same problem with my Stihl MS260 Pro. Ended up being the cap. It leaks and dribbles down the case to the bottom and looks like it was coming from somewhere else. For the cost, try replacing the oil tank cap first. Luck!
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Rick R.

2009 Nissan Titan pullling a 18 ft PJ Trailer
2011 Kubota ZD326S (60") - 26HP Kubota Diesel
2010 Bob-Cat FastCat Pro 48" w/Accelerator (20HP Kawa)
Non-commercial 21" walk-behind
Blowers (Stihl BG85/Husqvarna 170BT)
Trimmers (Stihl KM110 & FS90, Kawa Multi-Tool)
Chainsaws (Stihl MS180 & MS362 w/20 & 24" bars)
& misc hand tools & equipment
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