9-2
Starting system
S Faulty starter motor
S Faulty starter relay
S Faulty starting circuit cut-off relay
S Faulty starter clutch
STARTING FAILURES/INCORRECT ENGINE IDLING SPEED/
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE
TRBL
SHTG
ELECTRICAL SYSTEMS
Battery
S Discharged battery
S Faulty battery
Spark plug(s)
S Incorrect spark plug gap
S Incorrect spark plug heat range
S Fouled spark plug
S Worn or damaged electrode
S Worn or damaged insulator
Ignition coil(s)
S Broken or shorted primary or secondary
coils
S Cracked or broken ignition coil
Ignition system
S Faulty ECU
S Faulty crankshaft position sensor
S Faulty cylinder identification sensor
Switches and wiring
S Faulty main switch
S Faulty engine stop switch
S Broken or shorted wiring
S Faulty neutral switch
S Faulty start switch
S Faulty sidestand switch
S Faulty clutch switch
S Improperly grounded circuit
S Loose connections
EAS00846
INCORRECT ENGINE IDLING SPEED
ENGINE
Cylinder(s) and cylinder head(s)
S Incorrect valve clearance
S Damaged valve train components
Air filter
S Clogged air filter element
FUEL SYSTEM
Throttle body (-ies)
S Damaged or loose throttle body joint
S Improperly synchronized throttle bodies
S Improperly adjusted engine idling speed
(throttle stop screw)
S Improper throttle cable free play
S Flooded throttle body
S Faulty air induction system
EAS00848
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE
Refer to “STARTING FAILURES”.
ENGINE
Air filter
S Clogged air filter element
FUEL SYSTEM
Fuel pump
S Faulty fuel pump
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