um CBF 125 - Unstable Idle

CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
112
combustion chamber.
No
Next
7
Check whether the cylinder pressure is normal or not
Yes
Engine is good
No
Check the engine
 Unstable idle
STEP
OPERATION
SOLVED
FOLLOWING STEP
1
Check whether the air filter is blocked and whether the
intake pipe leaks.
Yes
Intake system
maintenance
No
Next
2
Whether there is carbon deposit at the throttle body and
bypass channel.
Yes
Clean the TB
No
Next
3
Check whether the IACV works well
Yes
Next
No
Check the IACV
4
Check whethe the fuel pressure is about 250kPa.
Yes
Next
No
Check the pump
5
Check whether the injeoctor is blocked.
Yes
Clean or change the
injector
No
Next
6
Make sue using the right type sprk plug
Yes
Next
No
Change the spark plug
7
Check whether the cylinder pressure is normal
Yes
Next
No
Check the engine
8
Remove the engine temperature sensor, and check whether
the engine works well
Yes
Change the senor
No
Next
9
Remove the TPS, check whether the engine works well
Yes
Change the sensor
No
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