2 Cycle Carb Adjustment


Old 05-29-03, 08:56 PM
rogerh's Avatar
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Join Date: Nov 2002
Location: Quincy
Posts: 233
STIHL fuel problem

I have a STIHL brushcutter FS80 that is about 15 years old. Couldn't get to start. Found bad diaphragm and replaced it. Now after it starts I can't get it to accelerate without dying. Strangely, if I cover the air filter air intake holes with tape I can accelerate it but it still don't run good. I have tried to adjust the carb. with no luck. Can anyone give me an idea what the problem is?
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Old 05-29-03, 10:35 PM
cheese's Avatar
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Join Date: Jul 2001
Location: USA
Posts: 16,818
Sounds like the engine is leaning out. Check your fuel filter, lines, and carb screen. Also make sure the carb is cleaned out well.

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