kxr maxxer 250 300 Werkstatthandbuch : Seite 112

          9. DRIVE AND DRIVEN PULLEYS                                                           ATV 300/250


 SERVICE INFORMATION
 GENERAL INSTRUCTIONS
 · The drive pulley, clutch and driven pulley can be serviced with the engine installed in the frame.
 · 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.

 SPECIFICATIONS                                                               Unit: mm (in)
               Item                            Standard                     Service Limit
 Movable drive face bushing I.D.   26.98927.052 (1.079561.08208)            27.06 (1.0824)
 Drive face collar O.D.            26.9626.974 (1.07841.07896)              26.94 (1.0776)
 Drive belt width                  23.624.4 (0.9440.976)                    22 (0.88)
 Clutch lining thickness                                                    0.5 (0.02)
 Clutch outer I.D.                 153153.2 (6.126.128)                     153.5 (6.14)
 Driven face spring free length                                             131 (5.24)
 Driven face O.D.                  39.96539.985 (1.59861.5994)              39.94 (1.5976)
 Movable driven face I.D.          4040.025 (1.61.601)                      40.06 (1.6024)
 Weight roller O.D.                22.9223.08 (0.91680.9232)                22.8 (0.912)

 TORQUE VALUES
 Drive face nut               9.5 kgf-m (95 Nm, 68 lbf-ft)
 Clutch outer nut             5.5 kgf-m (55 Nm, 40 lbf-ft)
 Drive plat nut               5.5 kgf-m (55 Nm, 40 lbf-ft)

 SPECIAL TOOLS
 Universal holder      E017                          Clutch spring compressor       E027
 Bearing puller        E008                          Oil seal and 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                         · Fouled drive face
 Engine stalls or motorcycle creeps
 · Broken clutch weight spring
 · Broken clutch weight spring

                                                                                                9-2