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Starting system
SFaulty starter motor
SFaulty starter relay
SFaulty starting circuit cut-off relay
SFaulty starter clutch
STARTING FAILURES/INCORRECT ENGINE IDLING SPEED/
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE
TRBL
SHTG
ELECTRICAL SYSTEMS
Battery
SDischarged battery
SFaulty battery
Spark plug(s)
SIncorrect spark plug gap
SIncorrect spark plug heat range
SFouled spark plug
SWorn or damaged electrode
SWorn or damaged insulator
Ignition coil(s)
SBroken or shorted primary or secondary
coils
SCracked or broken ignition coil
Ignition system
SFaulty ECU
SFaulty crankshaft position sensor
SFaulty cylinder identification sensor
Switches and wiring
SFaulty main switch
SFaulty engine stop switch
SBroken or shorted wiring
SFaulty neutral switch
SFaulty start switch
SFaulty sidestand switch
SFaulty clutch switch
SImproperly grounded circuit
SLoose connections
EAS00846
INCORRECT ENGINE IDLING SPEED
ENGINE
Cylinder(s) and cylinder head(s)
SIncorrect valve clearance
SDamaged valve train components
Air filter
SClogged air filter element
FUEL SYSTEM
Throttle body (-ies)
SDamaged or loose throttle body joint
SImproperly synchronized throttle bodies
SImproperly adjusted engine idling speed
(throttle stop screw)
SImproper throttle cable free play
SFlooded throttle body
SFaulty air induction system
EAS00848
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE
Refer to “STARTING FAILURES”.
ENGINE
Air filter
SClogged air filter element
FUEL SYSTEM
Fuel pump
SFaulty fuel pump