dinkstreet 300 i abs 1 Manuale-dofficina : Pagina 120

          11. CRANKCASE/CRANKSHAFT                                                  Downtown 300i ABS



 SERVICE INFORMATION

 GENERAL INSTRUCTIONS
 · This section covers crankcase separation to service the crankshaft. The engine must be removed
   for this operation.
 · When separating the crankcase, never use a driver to knock the crankcase forcedly to prevent
   damaging the mating surfaces.
 · When installing the crankcase, do not use an iron hammer to tap it.
 · When installing the crankcase or crankshaft, must be replaced in pair.
 · The following parts must be removed before separating the crankcase.
   Cylinder head
   Cylinder/piston
   Right crankcase cover/drive and driven pulley
   A.C. generator/starter clutch
   Rear wheel/rear shock absorber
   Starter motor
   Oil pump


 SPECIFICATIONS

                               Item                       Standard (mm)   Service Limit (mm)
              Connecting rod big end side clearance         0.150.35              0.6
 Crankshaft
              Connecting rod big end radial clearance         00.008              0.05


 TORQUE VALUES
 Crankcase cover bolt                    1.0~1.4 kgf-m (11.8 N-m)
 Cam chain tensioner pivot               0.8~1.2 kgf-m (9.8 N-m)




 TROUBLESHOOTING
 Excessive engine noise
 · Excessive bearing play
 · Excessive crankpin bearing play
 · Worn piston pin and piston pin hole




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