SIGNALING SYSTEM
8-23
The neutral indicator light fails to come on.
NG
→
OK
↓
NG
→
OK
↓
The oil pressure warning light fails to come on when the main switch is set to “ON”.
NG
→
OK
↓
NG
→
OK
↓
The oil pressure warning light remains on after the engine is started.
NG
→
OK
↓
NG
→
OK
↓
Replace the meter assembly.
1. Check the gear position switch.
Refer to “CHECKING THE GEAR
POSITION SWITCH” on page 8-93.
Replace the gear position switch.
2. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19.
Properly connect or replace the wiring har-
ness.
Replace the meter assembly.
1. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19.
Properly connect or replace the wiring har-
ness
2. Disconnect the oil pressure switch
lead from the oil pressure switch,
and then check whether the oil
pressure warning light comes on
when the lead is connected to the
engine ground.
Replace the meter assembly.
Replace the oil pressure switch.
1. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19.
Properly connect or replace the wiring har-
ness.
2. Check the engine oil pressure.
Refer to “CHANGING THE EN-
GINE OIL” on page 3-22.
Check the engine oil leakage, oil viscosity,
oil seal, oil filter, or oil pump.
Summary of Contents for YZF-R25
Page 1: ......
Page 2: ......
Page 3: ......
Page 6: ......
Page 8: ......
Page 25: ...BASIC SERVICE INFORMATION 1 16 ...
Page 32: ...SPECIAL TOOLS 1 23 ...
Page 49: ...TIGHTENING TORQUES 2 16 2 6 8 5 4 1 2 6 3 7 2 10 9 A ...
Page 66: ...COOLING SYSTEM DIAGRAMS 2 33 EAS20020 COOLING SYSTEM DIAGRAMS 1 2 3 1 5 4 4 ...
Page 99: ......
Page 128: ...PERIODIC MAINTENANCE 3 29 ...
Page 146: ...GENERAL CHASSIS 5 4 15 1 b b a a 2 ...
Page 200: ...FRONT FORK 4 69 2 b a 1 ...
Page 209: ...SWINGARM AND REAR SHOCK ABSORBER ASSEMBLY 4 78 2 1 1 1 a A B ...
Page 214: ...CHAIN DRIVE 4 83 ...
Page 256: ...CYLINDER AND PISTONS 5 39 1 ...
Page 310: ...TRANSMISSION 5 93 ...
Page 322: ...WATER PUMP 6 11 ...
Page 336: ...THROTTLE BODIES 7 13 c 1 cylinder d 2 cylinder A Left B Right b a d c A B b 1 ...
Page 337: ...THROTTLE BODIES 7 14 ...
Page 338: ...AIR INDUCTION SYSTEM 7 15 EAS20071 AIR INDUCTION SYSTEM 1 2 3 4 5 1 2 ...
Page 342: ...AIR INDUCTION SYSTEM 7 19 ...
Page 345: ......
Page 355: ...ELECTRIC STARTING SYSTEM 8 10 ...
Page 359: ...CHARGING SYSTEM 8 14 ...
Page 371: ...SIGNALING SYSTEM 8 26 ...
Page 417: ...FUEL PUMP SYSTEM 8 72 ...
Page 420: ...ELECTRICAL COMPONENTS 8 75 2 3 4 5 12 11 10 9 8 7 1 6 ...
Page 440: ...ELECTRICAL COMPONENTS 8 95 ...
Page 451: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 10 ...
Page 453: ......
Page 454: ......