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mxu 300 r Manuel atelier : Page 124

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Page 123

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Page 125

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Page 126

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          7. CYLINDER HEAD/VALVES                                                    MXU 250R/300R

                                                              Intake Manifold
 CYLINDER HEAD
 REMOVE
 Remove the camshaft (page 7-4).
 Remove the carburetor. (Refer to the
 "carburetor remove" section in the chapter
 5)
 Remove the exhaust muffler (page 2-11).

 Remove the two bolts and then remove the
 carburetor intake manifold.
                                                       Bolts




                                               Thermostat                        Bolts
 Remove the bolt and disconnect the
 thermostat.
 Remove the two cylinder head bolts.
 Remove the cylinder head.




                                                    Bolt




                                               Valve Cotter     Retainer   Springs Springs Seat
 CYLINDER HEAD DISASSEMBLY
 Remove the valve spring cotters, retainers,
 springs, spring seats, oil seals and valves
 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.

                                               Spring Compressor      Oil Seal   Valve
 Special tool:
 Valve Spring Compressor       E040


                                                                                         7-10
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