Service manual

TRBL
SHTG
8 - 2
STARTING PROBLEMS/
INCORRECT ENGINE IDLING SPEED
ELECTRICAL SYSTEMS
Battery (See page 3-51 to 3-56)
• Faulty battery
• Discharged battery
Fuses (See page 3-56 to 3-58)
• Blown, damaged, or incorrect fuse
• Incorrectly installed fuse
Spark plugs (See page 3-14 to 3-15)
• Incorrect spark plug gap
• Incorrect spark plug heat range
• Fouled spark plug
• Worn or damaged electrode
• Worn or damaged insulator
• Faulty spark plug cap
Ignition coils (See page 7-14 to 7-15)
• Damaged ignition coil
• Broken or shorted primary or secondary
coils
• Faulty spark plug lead
Ignition system (See page 7-12 to 7-16)
• Faulty ignitor unit
• Faulty pickup coil
Switches and wiring (See page 7-7 to 7-8)
• Faulty main switch
• Faulty engine stop switch
• Broken or shorted wiring
• Faulty neutral switch
• Faulty start switch
• Faulty sidestand switch
• Faulty clutch switch
• Incorrectly grounded circuit
• Loose connections
Starting system (See page 7-17 to 7-27)
• Faulty starter motor
• Faulty starter relay
• Faulty starting circuit cutoff relay
• Faulty starter clutch
EAS00846
INCORRECT ENGINE IDLING SPEED
ENGINE
Cylinders and cylinder heads (See page
5-39 to 5-43 and 5-53 to 5-59)
• Incorrect valve clearance
• Damaged valve train components
Air filter (See page 3-7 and 3-29)
• Clogged air filter element
FUEL SYSTEM
Carburetor (See page 6-1 to 6-20)
• Faulty starter plunger
• Loose or clogged pilot jet
• Loose or clogged pilot air jet
• Damaged or loose carburetor joint
• Incorrectly adjusted engine idling speed
(throttle stop screw)
• Incorrect throttle cable free play
• Flooded carburetor
• Faulty air induction system
ELECTRICAL SYSTEMS
Battery (See page 3-51 to 3-56)
• Incorrectly charged battery
• Faulty battery
Spark plugs (See page 3-14 to 3-15)
• Incorrect spark plug gap
• Incorrect spark plug heat range
• Fouled spark plug
• Worn or damaged electrode
• Worn or damaged insulator
• Faulty spark plug cap
Ignition coils (See page 7-14 to 7-15)
• Broken or shorted primary or secondary
coils
• Faulty spark plug lead
• Damaged ignition coil
Ignition system (See page 7-12 to 7-16)
• Faulty ignitor unit
• Faulty pickup coil
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