CLUTCH
5-49
EAM30108
REMOVING THE CLUTCH
1. Remove:
•
Clutch boss nut “1”
•
Lock washer “2”
•
Clutch boss “3”
TIP
•
Straighten the lock washer tab.
•
While holding the clutch boss with the clutch
holder “4”, loosen the clutch boss nut.
EAM30109
CHECKING THE FRICTION PLATES
1. Check:
•
Friction plate
Damage/wear
Replace the friction plates
as a set.
2. Measure:
•
Friction plate thickness
Out of specification
Replace the friction
plates as a set.
TIP
Measure it at four points on the friction plate.
EAM30110
CHECKING THE CLUTCH PLATES
1. Check:
•
Clutch plate
Damage
Replace the clutch plates as a
set.
2. Measure:
•
Clutch plate warpage
(with a surface plate and thickness gauge)
Out of specification
Replace the clutch
plates as a set.
EAM30111
CHECKING THE CLUTCH SPRINGS
1. Check:
•
Clutch spring
Damage
Replace the clutch springs as a
set.
2. Measure:
•
Clutch spring free length
Out of specification
Replace the clutch
springs as a set.
EAM30112
CHECKING THE CLUTCH HOUSING
1. Check:
•
Clutch housing dogs “1”
Damage/pitting/wear
Deburr the clutch
housing dogs or replace the clutch housing.
TIP
Pitting on the clutch housing dogs will cause er-
ratic clutch operation.
EAM30113
CHECKING THE CLUTCH BOSS
1. Check:
•
Clutch boss splines
Damage/pitting/wear
Replace the clutch
Clutch holder
90890-04199
Universal clutch holder
YM-91042
Friction plate 1 thickness
2.92–3.08 mm (0.115–0.121 in)
Wear limit
2.82 mm (0.111 in)
Friction plate 2 thickness
2.92–3.08 mm (0.115–0.121 in)
Wear limit
2.82 mm (0.111 in)
1
1
1
2
2
3
3
4
4
Thickness gauge
90890-03268
Feeler gauge set
YU-26900-9
Warpage limit
0.10 mm (0.004 in)
Clutch spring free length
48.00 mm (1.89 in)
Clutch spring free length limit
45.60 mm (1.80 in)
1
1
1
Summary of Contents for YZ450FX 2022
Page 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY ...
Page 10: ......
Page 44: ...MOTORCYCLE CARE AND STORAGE 1 32 ...
Page 61: ...TIGHTENING TORQUES 2 16 ...
Page 62: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view ...
Page 64: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view ...
Page 66: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view ...
Page 68: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view ...
Page 70: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view ...
Page 72: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view ...
Page 74: ...CABLE ROUTING DIAGRAM 2 29 ...
Page 112: ...ELECTRICAL SYSTEM 3 36 ...
Page 154: ...HANDLEBAR 4 40 Throttle grip free play 3 0 6 0 mm 0 12 0 24 in ...
Page 189: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Connecting rod 2 Oil nozzle 3 Crankshaft ...
Page 191: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Oil filter element 2 Oil pump 3 Oil strainer ...
Page 270: ...WATER PUMP 6 9 ...
Page 280: ...THROTTLE BODY 7 9 ...
Page 283: ......
Page 284: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM ...
Page 288: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM ...
Page 292: ...CHARGING SYSTEM 8 9 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM ...
Page 295: ...CHARGING SYSTEM 8 12 ...
Page 296: ...SIGNALING SYSTEM 8 13 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM ...
Page 300: ...FUEL INJECTION SYSTEM 8 17 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM ...
Page 325: ...FUEL INJECTION SYSTEM 8 42 ...
Page 326: ...FUEL PUMP SYSTEM 8 43 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM ...
Page 358: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15 ...
Page 368: ...CHASSIS 10 9 ...
Page 370: ......
Page 372: ......
Page 373: ...YZ450FXN 2022 WIRING DIAGRAM BEX 2819U 11_W D indd 1 2021 05 06 15 18 37 ...
Page 374: ...YZ450FXN 2022 WIRING DIAGRAM BEX 2819U 11_W D indd 2 2021 05 06 15 18 37 ...