Benelli ZAFFERAN 250 - 13. Driving Disc; Clutch; Driven Wheel; 13.1 Preparation documents; 13.2 Failure diagnosis

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13. Driving Disc / Clutch / Driven Wheel
Preparation documents--------------------13.1
Failure diagnosis----------------------------13.2
Clutch/driven wheel------------------------13.3
13.1 Preparation documents
Function: driving disc/clutch/driven wheel form step less speed variator. Driving disc and
driven wheel transfer torsion through a triangular belt.
Notes
In operation, keep the drive belt free of oil or grease to minimize possibility of sliding between triangular
belt and the wheel.
Preparation standard unit: mm
Item
Standard value
Usage limit
OD of right semi-driving wheel shaft sleeve
27.959-27.98
27.93
ID of right semi-driving wheel bushing
28-28.021
28.04
Width of triangular belt
22-23
21
Thickness of clutch abrasion piece
4
1.5
ID of clutch outer bushing
134.875-135.125
135.5
Free length of clutch compression spring
107±2
104
OD of driven wheel right semi-shaft
40.959-40.975
40.90
ID of driven wheel left semi slid bushing
41-41.025
41.06
OD of boll bearing
20-20.1
19.5