60
125
-
160 cc
C
WORKSHOP MANUAL
Standard
Service limit
Front pulley
Mobile pulley inside diameter
24.007-24.028 mm
24.070 mm
Pulley sliding bush outside diameter
23.959-23.980 mm
23.920 mm
Roller weights outside diameter
19.95-20.05 mm
19.45 mm
Belt thickness
21.7-23.3 mm
20.7 mm
Secondary
pulley
Clutch linings thickness
—
2.75 mm
Clutch bell inside diameter
124.5-124.2 mm
125.0 mm
Speed variator contrast spring length
144-146 mm
140 mm
Fixed secondary pulley outside d
iameter
33.950-33.975 mm
33.920 mm
Mobile secondary pulley inside diameter
34.000-34.025 mm
34.060 mm
Tightening torques
Clutch cover screws
10 N
*
m ± 15%
Transmission housing nuts
59 N
*
m ± 15%
Clutch bell nut
53 N
*
m ± 15%
Special nut
59 N
*
m ± 15%
SPEED VARIATOR-CLUTCH UNIT
