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Damaged
or
worn
crankshaft
bearings
Contact KAYO dealer
Engine sound abnormal
Ignition problem
Contact KAYO dealer
overheat
See”engine over heating”part
Tempering of the exhaust pipe
Carbon deposits in the combustion
chamber
Contact KAYO dealer
Gasoline not good quality
Change fuel
The spark plug is in poor condition
or has incorrect specifications
Replace with new correct spark plug
Exhaust system gasket
Check the exhaust system for
damage, check the gaskets are
intact, and replace the gaskets if
they are old
White smoke from exhaust pipe
Moisture in fuel
Change fuel
Black smoke from the exhaust pipe
Air filter clogged
Remove and clean the air filter
Combustible mixture is too rich
Adjust the carburetor valve
Transmission gears are not meshing
Clutch abnormal
Contact KAYO dealer
The fork is bent or stuck
Check and adjust the fork
Gearshift damaged
Change the gear lever
Damaged shift drum
Replace the shift drum
Damaged ratchet
Replace ratchet
Speed selector position spring is
loose or broken
Replace speed selector position
spring
The gears are not engaged.
Fork wearing
Replace the fork
Alveolar wear
Check the gears and replace if
necessary
Gear damage
Change gear
Damaged displacement drum groove Replace the shift drum
fork shaft wearing
Check the fork shaft and replace if
necessary
Defective selector spring
Replace speed selector position
spring
Clutch slip
Clutch disk wearing
Replace clutch disc
Clutch pressure plate spring is too
soft or damaged
Replace clutch spring
Clutch distance too small
Adjust clutch free distance
Difficult to turn motorcycle
Cables make it difficult to turn the
handlebars
Move
cables
to
reduce
their
interference
Steering shaft nut is too tight
Adjusting steering shaft nut
Steering
bearing
wearing
or
damaged
Check steering bearings and replace
if necessary
Steering shaft bent
Contact KAYO dealer
Damping too hard
Fork oil level is too high
Lower the fork oil level to a suitable
