Stihl BT 121 - Replacing Starter Rope and Rewind Spring

23BT 121
English / USA
Replacing a Broken Starter Rope
The rewind spring may pop out and
uncoil during this operation. Take
care to avoid injury.
: Remove the screws (1).
: Lift away the fan housing.
: Remove the spring clip (2).
: Carefully remove the rope rotor with
washer (3) and pawl (4).
: Ease the cap (5) out of the starter
grip.
: Remove remaining rope from the
rotor and grip.
: Tie a simple overhand knot in the
new rope – see “Specifications” –
and then thread it through the top of
the grip and the rope bush (6).
: Refit the cap in the grip.
: Thread the rope through the rotor
and secure it with a simple
overhand knot.
: Coat rope rotor bearing bore with
non-resinous oil – see "Special
Accessories".
: Slip rotor over starter post – turn it
back and forth to engage anchor
loop of rewind spring.
: Refit the pawl (4).
: Fit the washer (3).
: Install spring clip (2) on starter post
and engage it on the pawl's peg –
the spring clip must point clockwise.
Replacing Starter Rope
and Rewind Spring
1
1
1
1
256BA075 KN
3
2
4
256BA032 KN
6
5
256BA033 KN
256BA034 KN
3
2
4
256BA032 KN