Stihl MS 661 C-M User Manual

81MS 661, MS 661 C-M
Installing
– Use STIHL press fluid to make
installation easier, b 16
: Push the annular buffer (1) onto
the handlebar holder (2) as far as
stop – the taper must be properly
seated.
: Screw the AV spring (3) with
bearing plug (4) onto the
handlebar holder (arrow) as far
as stop.
: Push the handlebar holder (1),
annular buffer (2) first, into its
seat (arrow) and place the
bearing plug (3) in position.
1166RA175 TG
11
2
4
3
1
3
1166RA176 TG
2
: Push pegs (arrows) into
handlebar (1) and fit handlebar
holder (2) in position.
: Insert and tighten down the
screws (1) firmly.
: Insert and tighten down the
screw (1) firmly – bearing plug is
now secure.
– Reassemble all other parts in the
reverse sequence.
1166RA177 TG
1
2
1
1
1166RA178 TG
1
1166RA179 TG
10.3 AV Element on Fuel Tank
: Remove screw (1) from
handlebar.
: Take out the screws (1) and
remove the cover (2).
: Ease the handlebar (3) sideways
and take it out of the guide.
: Remove the screws (1) from the
underside of the machine.
1166RA180 TG
1
1
1166RA181 TG
1
3
2
1
1
1166RA182 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