KYMCO ZX/SCOUT 50 Service Manual page 188

17
. EVAPORATIVE/EXHAUST EMISSION
EXHAUST MUFFLER
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.
2. Inspect the exhaust muffler joint packing
collar for deformation or damage.
Replace if necessary.
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.
Exhaust Muffler Joint Lock Nut
CONTROL SYSTEM
Replace if necessary.
Exhaust Muffler
ZX / SCOUT
Lock Bolts
17-2