Operation Manual

16 MS 241 C
Problem Cause Remedy
Engine will not idle, idle speed too
high
Throttle shutter is not closed
properly when the throttle trigger is
not pressed
Examine carburetor and throttle
rod, replace if necessary
Oil seals or crankcase leaking Seal oil seals or crankcase, replace
if necessary
Throttle shutter does not close Replace carburetor
Engine stops when idling Idle jet bores
or ports blocked
Clean the carburetor
Idle jet too rich or
too lean
Check M-Tronic
Tank vent faulty Replace tank vent
Leak in fuel line between tank and
carburetor
Seal connections or replace line
Saw chain rotates at idle speed Idle speed too high Check M-Tronic
Clutch springs stretched or fatigued Replace tension springs, replace
clutch if necessary
Anchor loops of the clutch spring
hooks are broken
Replace tension springs