How to fix fuel leaking from the Jonsered CS2186 carburettor?
- CChristopher TorresAug 16, 2025
If the carburettor of your Jonsered Chainsaw leaks fuel, it could be due to several reasons. Check for a loose or faulty fuel pipe, a hole in the diaphragm, or a worn needle/needle tip. Also, inspect the control system for sticking or being set too high, and check for leaks (air or fuel). Finally, ensure the cover on the carburettor pump side is not loose.







