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

MS 661 C-M
English
34
Mounting the cover plate (special
accessory)
N Insert cover plate (1) with both tabs
(arrows) and snap it onto the fan
housing
N Screw in screws (2)
When the mounting kit is used, the slide
must be in the winter position.
If engine trouble occurs, first check
whether use of the cover plate is
necessary.
Switching on the handle heating system
(depending on equipment version)
N Set switch to F – to switch off, return
switch to the 0 position
Overheating during continuous use is
impossible. The heating system is
maintenance-free.
Positions of the Master Control lever
STOP engine position or † – when the
Master Control lever is pushed towards
STOP or †, the ignition system is
interrupted and the engine turns off.
When the Master Control lever is
released, it will return to the operating
position F.
WARNING
Once the engine comes to a standstill
and the Master Control Lever returns to
the operating position the ignition is
automatically switched on again and the
engine is capable of being restarted.
Operating position F – engine is running
or capable of being restarted
1166BA030 AM
2
1
2
Electric Handle Heating
1166BA024 AM
Starting / Stopping the
Engine
1166BA025 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