Stihl MS 661 C-M User Manual

55MS 661, MS 661 C-M
: Pull the short circuit wire (3) out
of the ring (4) and remove the
retainer.
: Pull the throttle rod (1) out of the
grommet (2).
– Check the grommet, throttle rod,
retainer and contact spring,
replace if necessary.
Installing
: Use STIHL press fluid to ease
installation – do not lubricate
grommet (1) with grease, b 16
: If necessary, install the
grommet (1) and push throttle
rod (2) into the grommet (1) so
that the end with the hook (arrow)
faces the carburetor.
1166RA162 TG
2 1
1166RA163 TG
1 2
: Push ring terminal (1), crimped
side facing down, onto the pivot
pin (2) and position it behind the
stop (arrow) on the retainer (3).
: Position the contact spring (1)
against the ring terminal and
guide pin (arrows).
: Lift connector tag (2) on contact
spring (1) and move it over the
stop (3)
– take care not to overstretch the
contact spring.
: Push the short circuit wire (4)
through the ring (5).
1166RA164 TG
1
2
3
1166RA165 TG
1
5
2 4
3
Models with M-Tronic / heating
: Push terminal (1) onto the
connector tag (2) so that its
crimped side faces up – push the
terminal on straight without
bending it.
All models
The lug (1) must engage seat (2) in
tank housing.
: Position retainer (1) against the
guides (arrows) and push it about
5 mm into the tank housing,
attaching the throttle rod (2) to
the carburetor (3) at the same
time.
1166RA166 TG
2
1
1166RA167 TG
2
1
1166RA168 TG
2
3
1

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