Stihl MS 661 C-M User Manual

77MS 661, MS 661 C-M
9.4 Rope Rotor
Relieving tension of rewind
spring
The system will not be under
tension if either the starter rope or
rewind spring is broken.
– Remove the rewind starter,
b 9.2
– Pull out the rope a little with the
starter grip and hold the rope
rotor steady.
: While still holding the rope
rotor (2) steady, unwind the
starter rope (1).
: Pull out the twisted rope (2) in
direction of starter grip and
straighten it out.
: Keep the rope (2) under tension
and slowly release the rope rotor.
– Remove the pawls, b 9.3
1166RA212 TG
1
2
Rewind spring must be relaxed.
: Remove the washer (1) and
carefully pull the rotor rope (2) off
the starter post
– the rewind spring may pop out
and uncoil.
– Remove starter rope, or
remaining rope, from rotor and
install a new starter rope, b 9.5
– Inspect the rewind spring and
replace if necessary, b 9.7
Installing
– Lubricate full length of starter
post with STIHL special lubricant,
b 16
– Install starter rope in rope rotor,
b 9.5
: Fit the rope rotor on the starter
post so that the inner spring loop
(arrow) engages the recess (1).
– Fit the cover washer.
1
2
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– Install the pawls and spring clip,
b 9.3
– Tension the rewind spring, b 9.6
– Reassemble all other parts in the
reverse sequence.
9.5 Starter Rope / Grip
– Remove the rewind starter,
b 9.2
– Relieve tension of rewind spring,
b 9.4
The spring will not be under tension
if the starter rope is broken.
– Remove any remaining rope from
the rope rotor.
Do not shorten the starter rope.
– Push the end of the starter
rope (1) out a little, undo the knot
and pull the rope out.
1166RA215 TG
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