Backfire - um CBF 125 Service Manual

Check the typ and the clearance of the spark plug.
6
7 Check whether the cylinder pressure is normal
Check whether the exhaust pipe is blocked or not
8


Backfire

STEP
Pull out the spark plug, check whether the sparkover is
1
normal.
2 Check whether the timing is right
Check whether there is leakage in the valve
3
4 Check whether the injeoctor is blocked.
5 Check whether the oxygen sensor works well
CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
OPERATION
Yes Next
No Change the sprk plug
Yes Next
No Check the engine
No help
Yes maintenance
SOLVED FOLLOWING STEP
Yes Next
Check the ignition
No
system
Yes Next
No Adjust the timing
Yes Adjust the valve
No Next
Clean or change
Yes
the injector
No Next
Yes Help
No Change the sensor
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