ck pulsar 125 Workshop-manual : Page 61

          6. CYLINDER HEAD/VALVES                                            Pulsar   CK   125


 CYLINDER HEAD DISASSEMBLY
 Remove the valve spring cotters, retainers,
 springs, spring seats, washers and valve stem
 seals using a valve spring compressor.
 · Be sure to compress the valve springs
     with a valve spring compressor.
   · Mark all disassembled parts to ensure
     correct reassembly.


 Special                                          Valve Spring Compressor
 Valve Spring Compressor E040




                                                                Combustion Chamber
 Remove carbon deposits from the
 combustion chamber and exhaust port.
 Clean off any gasket material from the
 cylinder head gasket mating surfaces.
 Be careful not to damage the gasket
   mating surfaces.



 INSPECTION
 CYLINDER HEAD                                                   Exhaust Port
 Check the spark plug hole and valve areas
 for cracks.
 Check the cylinder head for warpage with a
 straight edge and feeler gauge.
 Service Limit: 0.1mm repair or replace if
 over




 VALVE SPRING FREE LENGTH
 Measure the free length of the inner and
 outer valve springs.
 Service Limits:
    Inner spring : 33.5mm
    Outer spring : 40.9mm


                                                 Outer Spring         Inner Spring


6-5