Stihl MS 661 C-M Installation, Operation & Maintenance Manual

MS 661 C-M
English
36
Starting
N With the right hand, pull the starter
grip slowly until you feel it engage –
and then give it a brisk strong pull –
simultaneously press down on the
handlebar – do not pull the starter
rope out all the way – risk of
breakage! Do not let the starter grip
snap back – guide it vertically back
into the housing so that the starter
rope can rewind properly
With a new engine or after a long period
of disuse or if the fuel tank has run empty
(engine stalled out), with machines
without an additional manual fuel pump,
it may be necessary to pull the starter
rope several times - to prime the fuel
line.
Starting the chain saw
Decompression valve
N Press the button, the
decompression valve will be
opened
The decompression valve is closed
automatically when the engine fires for
the first time. For this reason, press the
button again before each additional
starting attempt.
WARNING
There must not be anyone within the
swivel range of the chain saw.
N Push the hand guard (1) forwards –
the saw chain is blocked
N Simultaneously press and hold
down the throttle trigger lockout (2)
and throttle trigger (3) – set master
control lever (4) to Start } and
simultaneously release throttle
trigger and throttle trigger lockout
N Hold and start the chain saw
1166BA038
1166BA028 AM
1
2
3
0
1166BA026 AM

Stihl MS 661 C-M Specifications

General

Idle speed	- RPM
Motor type	2-stroke motor
Chain pitch	3/8 \
Blade length	800 mm
Product color	Black, Grey, Orange
Automatic oiling	Yes
Engine displacement	91.1 cm³
Power source	Gasoline
Sound power level	118 dB
Vibration emission	6.9 m/s²
Sound pressure level	105 dB

Weight and Dimensions

Weight	7400 g