mxer mxu 150 Workshop-manual : Page 156

          11. CRANKSCASE/CRANKSHAFT/
       BALANCE SHAFT                                                              ATV 150/125


 SERVICE INFORMATION
 GENERAL INSTRUCTIONS
 · This section covers crankcase separation to service the crankshaft. The engine must be removed
   for this operation.
 · The following parts must be removed before separating the crankcase.
   -Cylinder head (Chapter 7)
   -Cylinder/piston (Chapter 8)
   -Drive and driven pulleys (Chapter 9)
   -A.C. generator (Chapter 4)
   -Carburetor/air cleaner (Chapter 5)
   -Starter motor (Chapter 16)
   -Oil pump (Chapter 4)



 SPECIFICATIONS                                                                        mm (in)
                             Item                         Standard              Service Limit
            Connecting rod big end side clearance 0.10.35 (0.0040.014)          0.55 (0.022)
 Crankshaft Connecting rod big end radial clearance 00.008 (00.00032)           0.05 (0.002)
            Run out                                                             0.1 (0.004)


 TORQUE VALUES
 Crankcase bolt                      1 kgf-m (10 N-m, 7.2 lbf-ft)
 Cam chain tensioner slipper bolt    1 kgf-m (10 N-m, 7.2 lbf-ft)
 Cam chain cover bolt                1 kgf-m (10 N-m, 7.2 lbf-ft)




 TROUBLESHOOTING
 Excessive engine noise
 Excessive bearing play




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