Stihl GS 461 - Page 14

13GS 461
Problem Cause Remedy
Engine will not idle, idle speed too
high
Throttle shutter opened too wide by
idle speed screw LA
Set idle speed screw LA correctly
Oil seals / crankcase leaking Seal or replace oil seals /
crankcase
Throttle shutter does not close Replace carburetor
Engine stops when idling Idle jet bores
or ports blocked
Clean the carburetor
Low speed adjusting screw "too
rich" or
"too lean"
Correct setting of low speed
adjusting screw L
Idle speed screw LA
setting incorrect – throttle shutter
completely closed
Set idle speed screw LA correctly
Tank vent faulty Replace tank vent
Leak in fuel line between pickup
body and carburetor
Seal connections or replace fuel
line
Cut-off chain rotates at idle speed Idle speed too high Readjust with idle speed screw
LA (counterclockwise)
Tension springs of clutch shoes
stretched or fatigued
Replace tension springs or replace
clutch
Anchor loops of the tension springs
for the clutch shoes are broken
Replace tension springs