Why is oil leaking from my chainsaw chain?
If you notice oil leaking from your chainsaw chain, it’s usually normal and not a fault. However, in some cases, it may indicate a minor issue that needs attention.
This guide explains the most common causes and how to fix them.
Is it normal for a chainsaw to leak oil?
Yes: In many cases, oil leakage is completely normal.
Chainsaws use bar and chain oil for lubrication, and small amounts can leak or drip, especially:
- After use
- During storage
- When temperatures changes occur
Oil can collect under the chainsaw even when everything is working correctly.
Common reasons for oil leaking from the chain
Overfilled oil tank
Filling the oil tank too much can cause excess oil to escape.
- Oil expands when warm
- Extra pressure pushes oil out of the system
Loose oil cap
If the oil cap is not tightened properly, oil can leak during use or storage.
Normal oil run-off after use
Oil may drip from:
- The chain
- The bar groove
- Under the clutch cover
This is called run-off; it is not a defect.
Broken or damaged bar studs
Damaged bar studs can cause oil to leak from the chain area.
Our Product Assistant can help you find a solution for your specific case: