Engine Management; Adjusting The Carburetor - Stihl KM 110 R Instruction Manual

Engine Management

Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
KM 110 R, KM 130 R

Adjusting the Carburetor

The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
These power tools are equipped with
different carburetors:
Version A
H L
LA
High speed screw and low speed
–
screw with special head – without
slotted head.
On these machine versions it is no
longer necessary to adjust the
carburetor.
These machines have been set at the
factory to provide an optimum fuel-air
mixture in all locations and operating
conditions.
Adjusting Idle Speed
Engine stops while idling
H L
LA
N Warm up the engine for about 3
minutes.
N Turn the idle speed screw (LA)
slowly clockwise until the engine
runs smoothly – the cutting
attachment must not move.
Cutting attachment runs when engine is
idling
N Turn the idle speed screw (LA)
counterclockwise until the cutting
attachment stops running and then
turn the screw about another 1/2 to
3/4 turn in the same direction.
If the working tool or cutting attachment
continues to run when the engine is
idling, have your machine checked and
repaired by your servicing dealer.
English
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