Honda CBR929RR [487/488] Page 3

Honda CBR929RR [487/488] Page 3
POOR PERFORMANCE AT LOW AND IDLE SPEED
Possible cause
Incorrect
~
Improper ignition timing
1
. Check ignition timing
Correct
2
. Check the starter valve synchronization
~
Incorrect
~
See section 5
Correct
3
. Inspect the fuel flow
Normal
4
. Inspect the fuel injector
Normal
5
. Check for leaks in the intake pipe
Not leak
6
.1
erform spark test
Good spark
Possible cause
11
. Check for engine overheating
~
Overheating
~
Coolant level low
~
Fan motor not working (faulty fan
Not overheating
~
motor switch)
~
Thermostat stuck close
*Excessive carbon build-up in combus-
tion chamber
~
Use of poor quality fuel
~
Wrong type of fuel
~
Clutch slipping
12
. Accelerate or run at high speed
~
Engine knocks
~
Worn piston and cylinder
~
Wrong type of fuel
~
Excessive carbon build-up in combus-
Engine does not knock
~
tion chamber
~
Ignition timing to advanced (faulty
ECM)
~
Lean fuel mixture
TROUBLESHOOTING
Abnormal
~
Faulty pressure regulator (Section 5)
Abnormal
~
-
See section 5
Leaking
~
Loose insulator clamp
~
Damaged insulator
Weak or intermittent
~
Faulty spark plug
spark
~
Faulty carbon or wet fouled spark plug
~
Faulty ECM
~
Faulty ignition coil
~
Broken or shorted spark plug wire
~
Faulty engine stop switch
~
Faulty ignition pulse generator
~
Faulty ignition switch
~
Loose or disconnected ignition system
wires

Содержание