KS Motorcycles K-LIGHT125, Maintenance Manual

Page: 27 / 278

Fault diagnostic procedure for excessive oil consumption of engine
Yes No
Yes No
Yes
No
Yes No
Engine fuel consumption
exceeds the standard
Check whether the operation
method is correct
Support the main parking frame and
turn the wheel by hand
1. Check whether the motorcycle is
running at overload, or not at
economic speed or at low gear
position
2. Check whether the gasoline grade
is correct
The wheels can not
be rotated flexibly
The wheels can be
rotated smoothly
1. Check whether the
brake is stuck
2. Check wheel
bearings for
excessive wear
3. Check whether the
spacer bush in the
hub is missing or too
short
Check tire pressure
The pressure
is too low
The pressure
is normal
Inflate as required Check fuel tank, fuel pump, oil
pipeline, throttle and other parts
for oil leakage
Eliminate it according to
actual situations
Check the mixing ratio of
combustible mixture
The mixture ratio of
combustible mixture is normal
Too thick
combustible mixture
Too thin combustible
mixture
Check whether the idle speed of
engine is too high
1. Check whether air filter is
blocked
2. Check whether throttle valve
is too low
1. Check whether throttle
valve is blocked
2. Check whether throttle
valve is too high
Check and adjust
carburetor
Check whether the
clutch drive belt is
slipping
Check the ignition
system
Check whether engine
ignition is conducted in
correct time using ignition
timing light
- 26 -
KS MOTORCYCLES - https://ksmotorcycles.com