Operation Manual
21MS 240, MS 260, MS 260 C
: Fit the clutch shoes (2) over the 
arms (2).
: Clamp the clutch in a vise 
(arrow).
Attach the springs on the side with 
the raised hexagon (arrow).
: Attach one end of each spring (1) 
to the clutch shoes.
: Use the hook (2) 5910 890 2800 
to attach the other ends of the 
springs and press them firmly into 
the clutch shoes.
165RA017 TG
21
165RA018 TG
1
2
165RA470 TG
: Check the clutch – all springs 
(arrows) must be properly 
attached.
– Make sure the washer (1) is in 
place.
Installed position is correct when 
"TOP" (arrow) faces outwards.
: Position the clutch on the 
crankshaft stub so that the raised 
hexagon (arrow) faces outwards.
165RA020 TG
TOP
165RA021 TG
1
TOP
165RA022 TG
: Screw the clutch (1) on to the 
crankshaft stub and tighten down 
the hexagon (arrow) firmly – left-
hand thread.
– Tightening torques, b 3.5
– Remove the locking strip from the 
cylinder.
– Reassemble all other parts in the 
reverse sequence.
1
165RA023 TG










