Question about Worx 12" 4.5 Amp 2 In 1 Grass Trimmer/In Line Edger

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My fs 45 whipper snipper is starting but running

My sthil fs 45 whipper snipper is starting but running on low power could it be the fuel? and if so should I be replacing it with a 50:1 or 25:1 2 stroke mix

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I have a Stihl FS 45 and have had problems with it running for a short time then cutting out. The problem is like to be either- the filter attached to end end of the fuel pick hose that goes down into the fuel tank is blocked or- there is a crackor split in the corrugated section of the fuel pick up hose between the fuel tank and the carburettor. If such a crack or split exists it will cause air to be sucked in with the fuel upsetting the fuel/air ratio. A new hose not adjustment is the only cure

Posted on Jul 16, 2009

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Stihl recommends 50:1 with 89 octane fuel and their oil (semi synthetic 50:1 is what we use)
be sure to use stabilizer also to help with ethanol fuel issues
check your exhaust screen for clean also
stihls plug gap is .020

i wouldnt use 25:1

Posted on Jun 28, 2009

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Looking for a manual.


You can download the manual from;

http://www.stihlusa.com/stihl_ownersmanuals/FS_45_46_Manual.pdf

and yes since it's second hand replace the spark plug.

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