9 - 1
TRBL
SHTG
STARTING PROBLEMS
EB900000
TROUBLESHOOTING
NOTE:
The following guide for troubleshooting does not cover all the possible causes of trouble. It
should be helpful, however, as a guide to basic troubleshooting. Refer to the relative proce-
dure in this manual for checks, adjustments, and replacement of parts.
STARTING PROBLEMS
ENGINE
Cylinders and cylinder head(-s)
• Loose spark plug
• Loose cylinder head
• Damaged cylinder head gasket
• Worn or damaged cylinder
• Incorrect valve clearance
• Incorrectly sealed valve
• Incorrect valve-to-valve-seat contact
• Incorrect valve timing
• Faulty valve spring
• Seized valve
Pistons and piston rings
• Incorrectly installed piston ring
• Damaged, worn or fatigued piston ring
• Seized piston ring
• Seized or damaged piston
Air filter
• Incorrectly installed air filter
• Clogged air filter element
Crankcase and crankshaft
• Incorrectly assembled crankcase
• Seized crankshaft
ELECTRICAL SYSTEMS
Battery
• Faulty battery
• Discharged battery
Fuses
• Blown, damaged or incorrect fuse
• Incorrectly installed fuse
Spark plugs
• 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
• Damaged ignition coil
• Broken or shorted primary or second-
ary coils
• Faulty spark plug lead
FUEL SYSTEM
Fuel tank
• Empty fuel tank
• Clogged fuel filter
• Clogged fuel tank breather hose
• Clogged rollover valve (California only)
• Clogged rollover-valve-to-fuel-tank
hose (California only)
• Deteriorated or contaminated fuel
Fuel pump
• Faulty fuel pump
• Faulty fuel pump relay
Fuel cock
• Clogged or damaged fuel hose
Carburetors
• Deteriorated or contaminated fuel
• Clogged pilot jet
• Clogged pilot air passage
• Sucked-in air
• Damaged float
• Worn needle valve
• Incorrectly installed needle valve seat
• Incorrect fuel level
• Incorrectly installed pilot jet
• Clogged starter jet
• Faulty starter plunger
• Incorrectly adjusted starter cable
Ignition system
• Faulty ignitor unit
• Faulty pickup coil
Switches and wiring
• 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
• Faulty starter motor
• Faulty starter relay
• Faulty starting circuit cutoff relay
• Faulty starter clutch
Содержание YZF-R1 1998
Страница 1: ...SERVICEMANUAL YZF R1 4XV1 AE1 98 ...
Страница 7: ...GEN INFO 1 ...
Страница 9: ...GEN INFO ...
Страница 18: ...SPEC 2 ...
Страница 20: ...SPEC ...
Страница 41: ...2 21 SPEC Crankcase tightening sequence TIGHTENING TORQUES ...
Страница 46: ...2 26 SPEC 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter OIL FLOW DIAGRAMS ...
Страница 47: ...2 27 SPEC 1 Cylinder head 2 Crankshaft OIL FLOW DIAGRAMS ...
Страница 48: ...2 28 SPEC 1 Main axle 2 Oil delivery pipe 3 Drive axle OIL FLOW DIAGRAMS ...
Страница 50: ...2 30 SPEC 1 Thermostat housing 2 Water pump 3 Radiator 4 Radiator fan OIL FLOW DIAGRAMS ...
Страница 51: ...2 31 SPEC 1 Radiator cap 2 Thermostat 3 Thermostat housing 4 Water pump OIL FLOW DIAGRAMS ...
Страница 52: ...2 32 SPEC 1 Radiator 2 Thermo switch 3 Temperature sender OIL FLOW DIAGRAMS ...
Страница 64: ...2 44 SPEC ...
Страница 65: ...CHK ADJ 3 ...
Страница 128: ...3 61 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a variable voltage charger ...
Страница 129: ...3 62 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a constant voltage charger ...
Страница 134: ...ENG 4 ...
Страница 224: ...4 88 ENG ...
Страница 225: ...COOL 5 ...
Страница 227: ...COOL ...
Страница 245: ...5 18 COOL ...
Страница 246: ...CARB 6 ...
Страница 248: ...CARB ...
Страница 264: ...6 16 CARB ...
Страница 265: ...CHAS 7 ...
Страница 344: ...ELEC 8 ...
Страница 408: ...8 62 ELEC ...
Страница 409: ...TRBL SHTG 9 ...
Страница 417: ...9 6 TRBL SHTG ...