Hard To Starting - um CBF 125 Service Manual

STEP
Check wether the fuel pump pressure is about 250kPa at
1
idle.
Check whether the 'RMP' data on the diagnostic tool shows
2
the real engine RPM.
3 Pull out the spark plug, check whether the sparkover is
normal.
Check whether the cylinder pressure is normal.
4


Hard to starting.

STEP
Check wether the fuel pump pressure is about 250kPa at
1
idle.
Pull out the spark plug, check whether the sparkover is
2
normal.
Remove the connector of the engine temperature sensor,
3
and check whether the enigne start well.
4 With a little bigger throttle, check wheterh the engine starts
well.
Pull out the injector, and crank the engine. Check whether
5
the injection is normal.
6 Pull out the sprk plug, check whether it is wet or not
CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
OPERATION
OPERATION
SOLVED FOLLOWING STEP
Yes Next
No Check the pump.
Yes Next
No Check the crank sensor.
Yes Next
Check the ignition
No
system
Yes Engine is good.
No Check the engine
SOLVED FOLLOWING STEP
Yes Next
No Check the pump.
Yes Next
Check the ignition
No
system
Check the engine
Yes
temperature sensor
No Next
Clean the throttle
Yes body and bypass
channel.
No Next
Yes Next
Clean or change the
No
injector.
Yes dry the plug and
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