kpw 50 Workshop-manual : Page 198

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          18. EVAPORATIVE/EXHAUST EMISSION
     CONTROL SYSTEM

 EXHAUST MUFFLER                                                       Exhaust Muffler Joint Lock Nut

 REMOVAL
 Remove the two exhaust muffler joint lock
 nuts and two exhaust muffler lock bolts.
 Remove the exhaust muffler.
 The temperature of exhaust muffler is
     very high. Be careful to avoid burns
     during working.




 INSPECTION
 1. Inspect the exhaust muffler and joint for
    damage or crack. Replace if necessary.
 2. Inspect the exhaust muffler joint packing
    collar for deformation or damage. Replace
    if necessary.




                                                     Exhaust Muffler              Lock Bolts




 INSTALLATION
 1. Install the exhaust muffler in the reverse
    order of removal.

    A large amount of unburned mixture flowing
    into the high-heat catalytic converter will
    burn again and cause damage to the
    converter due to overheat. Pay attention to
    the following.
    Use 92# or 95# nonleaded gasoline only.
    (Leaded gasoline will cause catalytic
    converter failure.)
    During riding, do not turn the ignition switch
    OFF to avoid a large amount of unburned
    mixture flowing into the exhaust muffler.
    Faulty ignition system or fuel system will
    cause overheat and damage to the catalytic
    converter.


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