Bolts And Nuts Of Muffler - Zontes ZT350E Maintenance Manual

Bolts and nuts of muffler

1. Check for air leaks at the engine exhaust.
a. If there is a slight air leak, first try to tighten the exhaust
port nut with 6# inner hexagon; if the problem is not solved,
remove the muffler and replace with a new engine exhaust
port gasket.
b. If there is no sign of air leakage, use 6# inner hexagon to
check whether the M8 nut at the exhaust port of the engine
is loose.
c. Remove the muffler scald plate.
1.Remove 6 pcs M6 mufflers with 4 # hexagonal socket ×
16 Bolts. Remove the front and rear of the anti scalding plate.
2. Check for nut and bolts at the muffler
Use the 8# inner hexgon socket to inspection whether the 2
pcs bolts at the junction of the rear muffler and the swingarm
are loose.
●Do not touch all metal surfaces of the muffler while the
engine is running or after riding to prevent burns.
●The motorcycle must be parked on a flat and stable ground
or a lifting platform.
●If you need to replace the new exhaust port gasket, you
must wait for the muffler to cool down completely before
starting operation.
●Do not blast the throttle for a long time on the spot.
●Large load and long-term low-speed driving will damage the
engine and muffler.
●It is forbidden to use leaded gasoline to avoid the loss of
exhaust gas purification ability due to catalyst failure.
●If you need to remove the muffler for other operations, it is
recommended to cover the air inlet and outlet holes of the
muffler with textured paper to prevent foreign objects from
entering.
●Keep the drain hole at the bottom of the muffler unblocked
to prevent condensation water from accumulating in the
muffler cavity.
●Clean up the dirt, dirt and other stains on the surface of the
muffler in time.
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