myroad700 Manuel atelier : Page 169

          9. CYLINDER HEAD/VALVES                                                                MYROAD 700i



 SERVICE INFORMATION
 GENERAL INSTRUCTIONS
 · The cylinder head can be serviced with the engine installed in the frame. Coolant in the radiator
   and water jacket must be drained first.
 · When assembling, apply molybdenum disulfide grease or engine oil to the valve guide movable
   parts and valve arm sliding surfaces for initial lubrication.
 · After disassembly, clean the removed parts and dry them with compressed air before inspection.
 · After removal, mark and arrange the removed parts in order. When assembling, install them in
   the reverse order of removal.


 SPECIFICATIONS                                                                               Unit: mm
              Item                                           Standard                  Service Limit
 Cylinder head compression pressure            13 kg/cm2                                    
                                      IN       0.160.03                                     
 Valve clearance (cold)
                                      EX       0.220.03                                     

 Valve Stem O.D.                      IN       4.475~4.490                          4.465
                                      EX       4.455~4.470                          4.445
                                      IN       5.000~5.012                          4.532
 Valve Guide I.D.
                                      EX       5.000~5.012                          4.532
 Valve stem-to-guide                  IN       0.010~0.037                          0.08
 clearance                            EX       0.030~0.057                          0.1
 Valve lifter O.D.                             27.965~27.98                         27.91

 Camshaft cam height                  IN       36.6                                 36.5
                                      EX       36.6                                 36.5

 TORQUE VALUES
 Cylinder head cover bolt        0.8~1.2 kgf·m                    Apply engine oil to threads
 Breather separator bolt         0.8~1.2 kgf·m                    Apply engine oil to threads
 Cam chain holder bolt           0.8~1.2 kgf·m
 Cylinder bolt                   0.8~1.2 kgf·m
 Cam chain tensioner bolt        0.8~1.2 kgf·m
 Cylinder head bolt              4.8~5.2 kgf·m                     Apply engine oil to threads




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