Stihl MS 171 Product Instruction Manual - Page 45

Engine Running Behavior, Replacing the Starter Rope, and Rewind Spring

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English Engine Running Behavior Replacing the Starter Rope and Rewind Spring 1 2 If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor is properly adjusted, the cause may be the muffler. Have the muffler checked for contamination (carbonization) by your servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. 2 1 1 000BA071 KN 533BA011 KN Warning! To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. Always press spark plug boot (1) snugly onto spark plug terminal (2) of the proper size. (Note: If terminal has detachable SAE adapter nut, it must be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire. Installing the spark plug N Install the spark plug and connect the spark plug boot (press it down firmly) - reassembly all other parts in the reverse sequence. 1 1 N Remove the shroud - see "Shroud". N Take out the screws (1). N Use the combination wrench (2) to ease the hand guard outwards and pry it off the fan housing. N Pull the fan housing off the crankcase and remove it downwards. MS 171, MS 181, MS 181 C, MS 211, MS 211 C 43

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MS 171, MS 181, MS 181 C, MS 211, MS 211 C
English
43
Installing the spark plug
N
Install the spark plug and connect
the spark plug boot (press it down
firmly) – reassembly all other parts
in the reverse sequence.
If engine running behavior is
unsatisfactory even though the air filter
is clean and the carburetor is properly
adjusted, the cause may be the muffler.
Have the muffler checked for
contamination (carbonization) by your
servicing dealer.
STIHL recommends that you have
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer.
N
Remove the shroud – see "Shroud".
N
Take out the screws (1).
N
Use the combination wrench (2) to
ease the hand guard outwards and
pry it off the fan housing.
N
Pull the fan housing off the
crankcase and remove it
downwards.
Warning!
To reduce the risk of fire and burn injury,
use only spark plugs authorized by
STIHL. Always press spark plug boot (1)
snugly onto spark plug terminal (2) of
the proper size. (Note: If terminal has
detachable SAE adapter nut, it must be
attached.) A loose connection between
spark plug boot and ignition wire con-
nector in the boot may create arcing that
could ignite combustible fumes and
cause a fire.
1
2
000BA071 KN
Engine Running Behavior
Replacing the Starter Rope
and Rewind Spring
1
2
1
1
1
533BA011 KN