quannon 125 Workshop-manual : Page 62

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          6. CYLINDER HEAD/VALVES                                              QUANNON 125
                                                          Cylinder Head

 CYLINDER HEAD DISASSEMBLY
 Remove the valve spring cotters, retainers,
 springs, spring seats 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.

                                               Valve Spring Compressor
                                                             Combustion Chamber
 Remove carbon deposits from the exhaust
 port and combustion chamber.

 Be careful not to damage the cylinder
   head mating surface.




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