Plane Bart
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- Joined
- Sep 11, 2015
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I have a Stihl MS460 Artic chainsaw it will run strong for 20 minutes then it starts bogging out looses power and cuts out.
This all started after I put a 36" bar and a ripping chain on this saw. I am using it for my Alaskan Chainsaw mill that I built.
After the saw cuts off if I let it sit for two minutes it will start back up and run for another twenty minutes before it cuts out again.
So far I have pulled and cleaned the carburetor some micro fine saw dust in there, checked the piston and rings both looked good so I did not do a compression test.
Cleaned the fuel tank and filter ( filter was put in last year). I did find a lot of fine saw dust clogging the tank vent removed and cleaned it out with carb cleaner and compressed air.
I thought for sure this would be it, but it was not.
The impulse and fuel lines are the new green ones they look OK very soft and flexible.
Normally I would think it was a coil but a bad coil has to cool down before it will start again I can restart in a few minutes.
Air filter and spark plug are clean
Any ideas on what to check next? Or how to trouble shoot this problem?
This all started after I put a 36" bar and a ripping chain on this saw. I am using it for my Alaskan Chainsaw mill that I built.
After the saw cuts off if I let it sit for two minutes it will start back up and run for another twenty minutes before it cuts out again.
So far I have pulled and cleaned the carburetor some micro fine saw dust in there, checked the piston and rings both looked good so I did not do a compression test.
Cleaned the fuel tank and filter ( filter was put in last year). I did find a lot of fine saw dust clogging the tank vent removed and cleaned it out with carb cleaner and compressed air.
I thought for sure this would be it, but it was not.
The impulse and fuel lines are the new green ones they look OK very soft and flexible.
Normally I would think it was a coil but a bad coil has to cool down before it will start again I can restart in a few minutes.
Air filter and spark plug are clean
Any ideas on what to check next? Or how to trouble shoot this problem?