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Still M181C help!


RagnarHairybreeks
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Saw is driving me mad!

 

Fuel, air and spark right?

 

Suddenly it starts to bog down badly as soon as the blade meets wood. Starts and runs fine.

 

Fuel-new
Air filter - clean

Spark plug - clean and gap correct

Fuel filter - clean

Chain - freshly sharpened and running freely

Spark arrestor - doesn’t have one

Fuel tank breather - clean and free (also tried it with the breather disconnected to double check)

 

I am at my wits end! Have run a tank with Redex in it to ensure clean fuel system as well. Chainsaw is relatively young and has only had hobby hours, was running perfectly up to last week.

 

Anyone have any ideas what may have happened? This came on suddenly whilst processing some firewood. Really appreciate any advice you might have.

 

Thanks

Raggie

Edited by RagnarHairybreeks
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3 minutes ago, Khriss said:

Hmmmm fuel quality ?? Tescoes ExtraShite ?? K

Hi Khriss,

 

I don’t think so - this came in midway through ringing some firewood. Have drained and re-filled the tank with new (decent) fuel and the problem persists. The fuel I was using was from a can that I’d used for months with no problems.

Edited by RagnarHairybreeks
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I’ve had symptoms you described on 2 181’s, one then got worse and started to have an unstable idle, raced up and down a bit along with the “bogging” fitted a new inlet manifold and that cured that. The other was a dodgy coil.

 

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1 minute ago, Ratman said:

I’ve had symptoms you described on 2 181’s, one then got worse and started to have an unstable idle, raced up and down a bit along with the “bogging” fitted a new inlet manifold and that cured that. The other was a dodgy coil.

 

Thanks, I’ll check both (and the fuel line as suggested above)

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