THROTTLE BODIES
6-12
f. Start the engine.
g. Measure the fuel pressure.
h. Use the vacuum/pressure pump gauge set to
adjust the fuel pressure in relation to the vac-
uum pressure as described below.
NOTE:
The vacuum pressure should not exceed 100
kPa (760 mmHg).
Faulty
→
Replace the pressure regulator.
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EAS27030
ADJUSTING THE THROTTLE POSITION
SENSOR
1. Check:
• Throttle position sensor
Refer to “CHECKING THE THROTTLE PO-
SITION SENSOR” on page 7-89.
2. Adjust:
• Throttle position sensor angle
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a. Connect the throttle position sensor coupler
to the throttle position sensor.
b. Connect the digital circuit tester to the throttle
position sensor.
c. Measure the throttle position sensor voltage.
d. Adjust the throttle position sensor angle so
that the voltage is within the specified range.
e. After adjusting the throttle position sensor an-
gle, tighten the throttle position sensor
screws “3”.
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ET1D71008
INSTALLING THE FUEL PIPE
1. Install:
• Fuel pipe “1”
Vacuum/pressure pump gauge
set
90890-06756
Pressure gauge
90890-03153
Fuel pressure adapter
90890-03176
YM-03176
Fuel pressure
392 kPa (3.92 kg/cm², 55.7 psi)
• Increase the vacuum pressure
→
Fuel pressure is decreased
• Decrease the vacuum pressure
→
Fuel pressure is increased
1
2
4
2
5
3
1
• Positive tester probe
yellow terminal “1”
• Negative tester probe
black terminal “2”
Digital circuit tester
90890-03174
Model 88 Multimeter with ta-
chometer
YU-A1927
Output voltage (at idle)
0.63–0.73 V
T
R
.
Fuel pipe bolt
30 Nm (3.0 m·kg, 22 ft·lb)
3
3
1
2
Summary of Contents for ROADLINER XV19SW
Page 7: ......
Page 9: ......
Page 25: ...SPECIAL TOOLS 1 15...
Page 56: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 30...
Page 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 D D B B D D C C A A B C C B 3 2 1 3 4 6 7 6 7 5...
Page 63: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 A A A A 1 3 2 4...
Page 65: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 A 1 2 3 4...
Page 67: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 A A A 1 5 5 1 3 2 4 B B B B...
Page 69: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 43 1 2...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 44 1 Transfer gear oil pump 2 Middle driven shaft...
Page 79: ...CABLE ROUTING 2 53...
Page 87: ...CABLE ROUTING 2 61...
Page 90: ......
Page 123: ...ELECTRICAL SYSTEM 3 33 a b 1...
Page 126: ......
Page 148: ...FRONT WHEEL 4 22...
Page 185: ...HANDLEBAR 4 59 Throttle cable free play 4 0 6 0 mm 0 16 0 24 in...
Page 288: ...GENERATOR AND STARTER CLUTCH 5 76 Yamaha bond No 1215 90890 85505 Three Bond No 1215...
Page 344: ......
Page 350: ...IGNITION SYSTEM 7 6...
Page 358: ...CHARGING SYSTEM 7 14 1 AC magneto 2 Rectifier regulator 4 Main fuse 6 Battery...
Page 360: ...CHARGING SYSTEM 7 16...
Page 411: ...ELECTRICAL COMPONENTS 7 67 EAS27970 ELECTRICAL COMPONENTS 11 3 6 7 8 10 4 9 12 13 5 2 1 14...
Page 413: ...ELECTRICAL COMPONENTS 7 69 16 18 2 11 13 9 8 10 12 14 15 17 1 3 4 5 6 7...
Page 443: ......
Page 444: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...