KYMCO XCITING 500, Service Manual

Page: 178 / 349

10
. DRIVE AND DRIVEN PULLEY
10-2
XCITING 500
SERVICE INFORMATION
GENERAL INSTRUCTIONS
•
The drive pulley, clutch and driven pulley can be serviced with the engine installed.
•
Avoid getting grease and oil on the drive belt and pulley faces. Remove any oil or grease from
them to minimize the slipping of drive belt and drive pulley.
•
Do not apply grease to the movable drive face and weight rollers.
SPECIFICATIONS Unit: mm (in)
Item Standard Service Limit
Movable driven face bushing I.D. 48 (1.89)
～
48.025 (1.891) 48.06 (1.892)
Driven face collar O.D. 47.965 (1.888)
～
47.985 (1.889) 47.94 (1.887)
Drive belt width 28.9 (1.156) 27.9 (1.116)
Clutch lining thickness 4 (0.16) 1 (0.04)
Clutch outer I.D.
160 (6.3)
～
160.2 (6.31) 160.5 (6.32)
Drive pulley collar O.D.
28.96 (1.158)
～
28.974 (1.159) 28.9 (1.156)
Weight roller O.D.
29.98 (1.1992)
～
30.08 (1.203) 29.5 (1.18)
TORQUE VALUES
Drive face nut 135 N•m (13.5 kgf•m, 97 lbf•ft)
Clutch outer nut 80 N•m (8 kgf•m, 58 lbf•ft)
Clutch drive plate nut 78 N•m (7.8 kgf•m, 56 lbf•ft)
SPECIAL TOOLS
Universal holder E017
Clutch spring compressor E053
Oil seal & bearing install E014
TROUBLESHOOTING
Engine starts but motorcycle won‘t move Lack of power
•
Worn drive belt
•
Worn drive belt
•
Broken ramp plate
•
Weak driven face spring
•
Worn or damaged clutch lining
•
Worn weight roller
•
Broken driven face spring
•
Faulty driven face
Engine stalls or motorcycle creeps
•
Broken clutch weight spring