ZONGSHEN ZS250GY-3 Service Manual page 23

[5]Check whether there is carbon deposit at the
muffler tail.Clean it.
5 The cause,trouble description and repair method of inlet and exhaust system
Table4-3
component
cause
description
Element is dusty.
inlet system
The body of air
cleaner is broken.
leakage at vent of
exhaust pipe
exhaust
T h e b o d y o f
system
exhaust muffler is
broken.
Maintenance of Inlet and Exhaust System
trouble description of
component
Engine is hard to be started
or cannot be started.poor
e n g i n e p o w e r,u n s t a b l e
i d l e s p e e d , h i g h f u e l
consump tion and black
smoke from exhaust muffler.
The noise of engine
inlet is big.
T h e n o i s e o f e n g i n e
exhaust becomes louder.
T h e n o i s e o f e n g i n e
exhaust becomes louder.
muffler tail
description of
motorcycle
C l e a n o r r e p l a c e
element.
Replace air cleaner
body.
Replace seal gasket
of exhaust pipe.
Re p l a c e e x h a u s t
muffler.
repair method
19