CAMSHAFT
5-15
EAM30080
REMOVING THE CAMSHAFT
1. Remove:
•
Timing mark accessing screw “1”
•
Crankshaft end accessing screw “2”
2. Align:
•
Alignment mark
a. Turn the crankshaft counterclockwise with
a wrench.
b. Align the top dead center (TDC) mark “a”
on the generator rotor with the alignment
mark “b” on the crankcase cover.
TIP
Align the alignment mark “c” on the exhaust
camshaft sprocket and the alignment mark “d”
on the intake camshaft sprocket with the edge of
the cylinder head.
3. Remove:
•
Timing chain tensioner cap bolt “1”
•
Timing chain tensioner “2”
•
Gasket
4. Remove:
•
Bolt (camshaft cap) “1”
•
Camshaft cap “2”
•
Clip “3”
TIP
•
Remove the bolts (camshaft cap) in a criss-
cross pattern, working from the outside in.
•
In order to prevent the clip from falling into the
crankcase, remove the camshaft cap.
NOTICE
ECA24610
The bolts (camshaft cap) must be removed
evenly to prevent damage to the cylinder
head, camshafts or camshaft caps.
5. Remove:
•
Exhaust camshaft “1”
•
Intake camshaft “2”
TIP
Attach a wire “3” to the timing chain to prevent it
from falling into the crankcase.
1
2
b
a
d
c
2
2
2
1
1
2
2
2
1
1
3
Summary of Contents for WR250F 2022
Page 5: ...EAM20093 YAMAHA MOTOR CORPORATION U S A WR MOTORCYCLE LIMITED WARRANTY...
Page 8: ......
Page 10: ......
Page 41: ...MULTI FUNCTION DISPLAY 1 29...
Page 62: ...ELECTRICAL SPECIFICATIONS 2 9 Radiator fan motor fuse 5 0 A Spare fuse 15 0 A...
Page 70: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view...
Page 72: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view...
Page 74: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view...
Page 76: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view...
Page 78: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view...
Page 80: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view...
Page 82: ...CABLE ROUTING DIAGRAM 2 29 Front brake front view and right side view...
Page 84: ...CABLE ROUTING DIAGRAM 2 31 Taillight top view and right side view...
Page 86: ...CABLE ROUTING DIAGRAM 2 33...
Page 204: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Oil filter element 2 Oil pump...
Page 205: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Intake camshaft 2 Exhaust camshaft...
Page 278: ...TRANSMISSION 5 77...
Page 288: ...WATER PUMP 6 9...
Page 298: ...THROTTLE BODY 7 9...
Page 301: ......
Page 302: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM...
Page 306: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Page 312: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Page 315: ...CHARGING SYSTEM 8 14...
Page 316: ...SIGNALING SYSTEM 8 15 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM...
Page 320: ...LIGHTING SYSTEM 8 19 EAM20153 LIGHTING SYSTEM EAM30346 CIRCUIT DIAGRAM...
Page 323: ...LIGHTING SYSTEM 8 22...
Page 324: ...COOLING SYSTEM 8 23 EAM20155 COOLING SYSTEM EAM30350 CIRCUIT DIAGRAM...
Page 327: ...COOLING SYSTEM 8 26...
Page 328: ...FUEL INJECTION SYSTEM 8 27 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM...
Page 353: ...FUEL INJECTION SYSTEM 8 52...
Page 354: ...FUEL PUMP SYSTEM 8 53 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Page 388: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Page 398: ...CHASSIS 10 9...
Page 400: ......
Page 402: ......