User's Manual

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MS 170, MS 170 C, MS 180, MS 180 C

English

38

If there is a noticeable loss of engine

power

N Simultaneously press the throttle

trigger lockout and throttle trigger

and set the Master Control lever to

cold start l

N Remove the shroud – see "Shroud"

N Pull the filter upwards to remove

N Wash the filter in a clean, non-

flammable cleaning liquid (e. g.,

warm soapy water) and dry it

Always replace a damaged filter.

N Reinstall air filter

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.

Basic information

The carburetor has been factory-

adjusted to provide the engine with a

optimal fuel-air mixture in all operating

states.

Standard setting

N Check the air filter and replace if

necessary

N Check spark arresting screen –

clean or replace it if necessary

N Carefully screw the idle speed

screw (LD) down counterclockwise

(left-hand thread) until it is firmly

seated, then 2 turns clockwise

(standard setting LD = 2)

Cleaning the Air Filter

143BA054 ST

Engine Management Adjusting the Carburetor

LD

143BA048 KN