Instruction Manual

MM 55, MM 55 C
English
18
N Remove the air filter (3)
N Check the air filter – replace if
necessary
NOTICE
Replace any damaged parts.
N Insert air filter (3) in the filter
housing (4)
N Refit the filter cover and screw it
down
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.
General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Preparations
N Shut off the engine.
N Mount the MultiTool.
N Check the air filter and clean or
replace if necessary.
N Check the spark arresting screen
(not in all models, country-specific)
in the muffler and clean or replace if
necessary.
Different Standard Settings
Different carburetors are installed at the
factory. A different standard setting is
necessary for each of these carburetors.
Standard setting A
– High speed screw (H) = 3/4
– Low speed screw (L) = 1
Standard setting B
– High speed screw (H) = 3/4
– Low speed screw (L) = 3/4
469BA038 KN
3
4
Engine Management Adjusting the Carburetor