Turning

Subject:
Re: Chainsaw winter adjustments? *LINK*

Clifton C
On my Stihl there is a plastic baffle that is switched for summer or winter use located under the shroud, just over the air filter. When positioned for winter use, warm air is redirected from around the cylinder, over and around the carb. A quick google of a 391 shows you might have this feature. Check out page 34 on the attached link. Clean filter, fresh gas and a spark is usually all you need, but I've replaced a lot of fuel lines that just crumble when you pinch them so that may be another area to check.

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