Stihl GS 461

14 GS 461
Problem Cause Remedy
Engine speed drops quickly under
load – low power
Air filter dirty or wet Clean or dry air filter, replace if
necessary
Throttle shutter not opened fully Check throttle cable and rod
Tank vent faulty Replace tank vent
Fuel pickup body dirty Replace pickup body
Fuel strainer dirty Clean fuel strainer in carburetor,
replace if necessary
Leak in fuel line between pickup
body and carburetor
Seal connections or replace fuel
line
High speed adjusting screw H "too
rich"
Check basic carburetor setting,
correct if necessary
Main jet bores or ports blocked Clean the carburetor
Pump diaphragm damaged or
fatigued
Fit new pump diaphragm
Incorrect ignition timing, flywheel
out of adjustment
– woodruff key has sheared off or
groove in flywheel is worn
Replace flywheel or woodruff key
Engine runs extremely rich, lacks
power and has very low final speed
Choke shutter does not open fully Examine the carburetor and starter
shaft and repair or replace if
necessary