THROTTLE BODY
7-8
b. Remove the fuel tank bolt and lift the fuel
tank.
c. Disconnect the fuel hose from the fuel
pump.
Refer to “REMOVING THE FUEL TANK”
on page 7-2.
WARNING
EWA19380
Cover the fuel hose connection with a cloth
when disconnecting it. This is because re-
sidual pressure in the fuel hose could cause
fuel to spurt out when the hose is removed.
NOTICE
ECA24750
Make sure that the fuel hose is disconnected
by hand. Do not forcibly disconnect the hose
with tools.
d. Connect the pressure gauge “1” and the
fuel pressure adapter “2” to the fuel hose.
e. Start the engine.
f. Measure the fuel line pressure.
Out of specification
Replace the fuel
pump.
EAM30273
ADJUSTING THE THROTTLE POSITION
SENSOR
WARNING
EWA15950
• Handle the throttle position sensor with
special care.
• Never subject the throttle position sensor
to strong shocks. If the throttle position
sensor is dropped, replace it.
1. Check:
•
Throttle position sensor
Refer to “CHECKING THE THROTTLE PO-
SITION SENSOR INPUT VOLTAGE” on
page 8-70.
2. Adjust:
•
Throttle position sensor angle
a. Connect the Yamaha diagnostic tool.
Refer to “YAMAHA DIAGNOSTIC TOOL”
on page 8-31.
b. Temporary tighten the throttle position
sensor.
c. Check that the throttle grip is fully closed.
d. Connect the throttle position sensor to the
wire harness.
e. Set the Yamaha diagnostic tool to “diag-
nostic mode”.
f. Choose the diagnostic code No. “01”.
g. Adjust the throttle position sensor mount-
ed angle until “11”–“14” appears on the
Yamaha diagnostic tool.
h. After adjusting the throttle position sensor
mounted angle, tighten the throttle posi-
tion sensor screw “1”.
Pressure gauge
90890-03153
Pressure gauge
YU-03153
Fuel pressure adapter
90890-03186
Fuel pressure adapter
YM-03186
Fuel line pressure (at idle)
300–390 kPa (3.0–3.9 kgf/cm²,
43.5–56.6 psi)
1
2
1
2
Yamaha diagnostic tool USB (US)
90890-03269
Yamaha diagnostic tool (A/I)
90890-03264
FI diagnostic tool sub–lead
90890-03212
FI diagnostic tool sub–lead
YU-03212
OBD/ GST Leadwire kit
90890-03249
Throttle position sensor screw
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
T
R
.
.
1
Содержание WR250F 2022
Страница 5: ...EAM20093 YAMAHA MOTOR CORPORATION U S A WR MOTORCYCLE LIMITED WARRANTY...
Страница 8: ......
Страница 10: ......
Страница 41: ...MULTI FUNCTION DISPLAY 1 29...
Страница 62: ...ELECTRICAL SPECIFICATIONS 2 9 Radiator fan motor fuse 5 0 A Spare fuse 15 0 A...
Страница 70: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view...
Страница 72: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view...
Страница 74: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view...
Страница 76: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view...
Страница 78: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view...
Страница 80: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view...
Страница 82: ...CABLE ROUTING DIAGRAM 2 29 Front brake front view and right side view...
Страница 84: ...CABLE ROUTING DIAGRAM 2 31 Taillight top view and right side view...
Страница 86: ...CABLE ROUTING DIAGRAM 2 33...
Страница 131: ...GENERAL CHASSIS 4 5 a Projection b Slot c Rib side cover d Rib rear fender a a a 1 1 c c b b d d...
Страница 201: ...CHECKING THE SHIFT DRUM ASSEMBLY 5 73 CHECKING THE TRANSMISSION 5 73 INSTALLING THE TRANSMISSION 5 74...
Страница 204: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Oil filter element 2 Oil pump...
Страница 205: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Intake camshaft 2 Exhaust camshaft...
Страница 206: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Camshaft 2 Oil pressure check bolt 3 Oil pump 4 Oil filter element...
Страница 259: ...SHIFT SHAFT 5 58 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 2 2 a b...
Страница 265: ...OIL PUMP 5 64 A Primary drive gear side B Crankcase cover side 5 7 mm 0 02 0 28 in 5 c d 6 8 b 8 6 7 E...
Страница 278: ...TRANSMISSION 5 77...
Страница 288: ...WATER PUMP 6 9...
Страница 298: ...THROTTLE BODY 7 9...
Страница 301: ......
Страница 302: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM...
Страница 306: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Страница 312: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Страница 315: ...CHARGING SYSTEM 8 14...
Страница 316: ...SIGNALING SYSTEM 8 15 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM...
Страница 320: ...LIGHTING SYSTEM 8 19 EAM20153 LIGHTING SYSTEM EAM30346 CIRCUIT DIAGRAM...
Страница 323: ...LIGHTING SYSTEM 8 22...
Страница 324: ...COOLING SYSTEM 8 23 EAM20155 COOLING SYSTEM EAM30350 CIRCUIT DIAGRAM...
Страница 327: ...COOLING SYSTEM 8 26...
Страница 328: ...FUEL INJECTION SYSTEM 8 27 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM...
Страница 353: ...FUEL INJECTION SYSTEM 8 52...
Страница 354: ...FUEL PUMP SYSTEM 8 53 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Страница 388: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Страница 398: ...CHASSIS 10 9...
Страница 400: ......
Страница 402: ......