zx scout 50 Workshop-manual : Page 74

          8. KICK STARTER/DRIVE PULLEY/
  CLUTCH/DRIVEN PULLEY                                                       ZX / SCOUT 50


 SERVICE INFORMATION
 GENERAL INSTRUCTIONS
 · Avoid getting grease and oil on the drive belt and pulley faces.


 SPECIFICATIONS                                 SC10AS
                Item                Standard (mm) Service Limit (mm)
 Drive pulley collar O.D.            20.0120.025          24.24
 Movable drive face I.D.            20.03520.085          19.97
 Weight roller O.D.                      13.0             12.4
 Clutch outer I.D.                    107107.2            107.5
 Driven face spring free length          87.9             82.6
 Driven face O.D.                   33.96533.985          33.94
 Movable driven face I.D.             34.034.25           34.06
 Drive belt width                         18               17


 TORQUE VALUES
 Drive face nut             3.54.0kg-m
 Clutch outer nut           3.54.5kg-m
 Clutch drive plate nut     5.06.0kg-m


 SPECIAL TOOLS
 Lock nut wrench, 39mm                               Universal holder
 Clutch spring compressor                            Lock nut socket wrench, 32mm
 Bearing outer driver 37x40mm                        Bearing driver pilot, 17mm
 One-way clutch puller                               Outer driver, 24x26mm


 TROUBLESHOOTING
                                                     Poor performance at high speed or
 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
                                                     · Faulty driven face

 Engine stalls or motorcycle creeps
 · Broken clutch weight spring




                                                                                         8-2