Stihl MS 661 C-M User Manual

92 MS 661, MS 661 C-M
: Pull throttle rod (1) out through
the grommet (2) in direction of
carburetor.
– Inspect throttle rod and grommet,
replace if necessary.
– Inspect the retainer and replace if
necessary, b 7.12
Installing
: Use STIHL press fluid to ease
installation – do not lubricate
grommet (2) with grease, b 16
: If necessary, install the
grommet (2) and push throttle
rod (1) into the grommet (2) so
that the end with the hook (arrow)
faces the carburetor, then
position retainer (3) against
guides (arrows).
1166RA333 TG
2
1
1166RA334 TG
3
1 2
Models without M-Tronic
: Short circuit wire (1) must be
seated in the guide (2) – loop
(arrow) allows for movement.
1166RA299 TG
1
2
Models with M-Tronic
: Ground wire (1), short circuit
wire (2) and M-Tronic wire (3)
must be seated in the guides (4,
5, 6), push them into the guides if
necessary – loops (arrows) allow
for movement.
1 4
2 5
6
6
3
1166RA440 TG

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