THROTTLE BODIES
7-11
EAS26980
CHECKING THE INJECTORS
1. Check:
• Injectors
Damage
→
Replace.
EAS26990
CHECKING THE THROTTLE BODIES
1. Check:
• Throttle bodies
Cracks/damage
→
Replace the throttle bod-
ies as a set.
2. Check:
• Fuel passages
Obstructions
→
Clean.
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a. Wash the throttle bodies in a petroleum-
based solvent.
Do not use any caustic carburetor cleaning
solution.
b. Blow out all of the passages with compressed
air.
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EAS3D81005
CHECKING THE FUEL PRESSURE
1. Check:
• Fuel pressure
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a. Remove the sub-fuel tank cover.
Refer to “GENERAL CHASSIS” on page 4-1.
b. Disconnect the fuel hose “1” from the fuel
pump.
WARNING
EWA3D81001
Cover fuel hose connections with a cloth
when disconnecting them. Residual pres-
sure in the fuel lines could cause fuel to
spurt out when removing the hoses.
c. Connect the fuel pressure adapter “3” be-
tween the fuel hose “1” and fuel pump “2”.
d. Connect the pressure gauge “4” to the fuel
pressure adapter “3”.
e. Start the engine.
f. Measure the fuel pressure.
Faulty
→
Replace the fuel pump.
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EAS27030
ADJUSTING THE THROTTLE POSITION
SENSOR
NOTE:
Before adjusting the throttle position sensor, the
engine idling speed should be properly adjusted.
1. Check:
• Throttle position sensor
Refer to “CHECKING THE THROTTLE PO-
SITION SENSOR” on page 8-89.
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.
1
Pressure gauge
90890-03153
YU-03153
Fuel pressure adapter
90890-03176
YM-03176
Fuel pressure
324 kPa (46.1 psi) (3.24 kg/cm²)
• Positive tester probe
→
yellow “1”
• Negative tester probe
→
black/blue “2”
Digital circuit tester
90890-03174
Model 88 Multimeter with ta-
chometer
YU-A1927
1
2
3
4
Summary of Contents for XVS13AW(C)
Page 2: ...SERVICE MANUAL XVS13AW C XVS13CTW C LIT 11616 20 42 3D8 28197 10...
Page 7: ......
Page 9: ......
Page 25: ...SPECIAL TOOLS 1 15...
Page 52: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 26...
Page 55: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 EAS20410 LUBRICATION DIAGRAMS A A 1 2 2 3 A A...
Page 57: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 1 2 3...
Page 58: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Camshaft 2 Oil nozzle 3 Crankshaft...
Page 59: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 1 2...
Page 60: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 34 1 Oil delivery pipe 1 2 Timing chain tensioner...
Page 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 1 2 3 4 5 6...
Page 63: ...COOLING SYSTEM DIAGRAMS 2 37 EAS20420 COOLING SYSTEM DIAGRAMS A A A A 2 1 4 3 5 6...
Page 65: ...COOLING SYSTEM DIAGRAMS 2 39 A B B A 4 3 3 1 2 2 A A B B...
Page 67: ...COOLING SYSTEM DIAGRAMS 2 41 10 13 4 7 3 1 10 9 6 B C A 12 11 C B A 1 8 9 10 10 12 3 2 4 5 6 7...
Page 83: ...CABLE ROUTING 2 57 3D8 3D8 A B B A A B C D E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...
Page 85: ...CABLE ROUTING 2 59...
Page 89: ...CABLE ROUTING 2 63...
Page 92: ......
Page 125: ...ELECTRICAL SYSTEM 3 33...
Page 128: ......
Page 203: ...BELT DRIVE 4 75...
Page 305: ...WATER PUMP 6 11...
Page 319: ...THROTTLE BODIES 7 13...
Page 322: ......
Page 328: ...IGNITION SYSTEM 8 6...
Page 336: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 3 Main fuse 6 Battery...
Page 338: ...CHARGING SYSTEM 8 16...
Page 352: ...COOLING SYSTEM 8 30...
Page 389: ...ELECTRICAL COMPONENTS 8 67 EAS27970 ELECTRICAL COMPONENTS 1 4 5 6 7 8 9 10 11 12 13 2 3...
Page 391: ...ELECTRICAL COMPONENTS 8 69 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...
Page 413: ...ELECTRICAL COMPONENTS 8 91...
Page 421: ......
Page 422: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...