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MS361 bogs/stalls out mid throttle

Started by 4lane, September 20, 2020, 09:07:19 PM

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4lane

My saw runs great, isles nicely, snappy trigger, powerful wide open. But when feathering the throttle or anywhere in between idle and wide open, it'll bog down until it dies. I thought I had the carb adjusted perfectly, and didn't find anything in the carb after taking it apart. Any ideas?

Mad Professor

Have you tried richening up the Low on the carb?  What is it set at now?

ladylake


 Yes open up the low around 1/4 turn, the high is likely lean also.  Don't burn it up.  Steve
Timberking B20  18000  hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

4lane

Thanks guys, I'll try this. I was hesitant because I had set the carb to what I thought was perfect. Idle speed was good with no chain movement, trigger was snappy/responsive on the low end, and just starts to burble at WOT. That was a little while ago, so I'll give it a do over. Maybe it moved out of adjustment over time. Here is my carb tuning guide:

Adjustment and Tuning of a Chainsaw Carburetor | Chainsawr

Mad Professor


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