Stihl FS 85 Trimmer

Knots

Active Member
Joined
Aug 6, 2016
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I have a Stihl FS85 with an issue. It will start and idle but will not accelerate to WOT.
The carb is a Zama C1Q which is also marked with a small 82. There are no other numbers.
Installed carb kit and cleaned carb in and out. New hoses and filter. Fresh gas.
When squeezing the throttle it starts to rev up but then bogs down and will quit if throttle is kept open. Adjusting h/l needles seems to have little effect.
Where did I go wrong? Any thoughts would be greatly appreciated.

Knots
 

bertsmobile1

Lawn Royalty
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Nov 29, 2014
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64
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24,700
Muffler clogged ?
Loosen the muffler bolts and see what happens .
 
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