ELECTRICAL COMPONENTS
8-132
c. Measure the primary coil resistance.
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2. Check:
• Secondary coil resistance
Out of specification
→
Replace.
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a. Disconnect the spark plug cap from the igni-
tion coil.
b. Connect the pocket tester (
Ω
×
1k) to the ig-
nition coil as shown.
c. Measure the secondary coil resistance.
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EAS28930
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Out of specification
→
Perform the ignition
system troubleshooting, starting with step 5.
Refer to “TROUBLESHOOTING” on page
8-4.
TIP
If the ignition spark gap is within specification,
the ignition system circuit is operating normally.
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a. Disconnect the spark plug cap from the spark
plug.
b. Connect the ignition checker “1” as shown.
c. Turn the main switch to “ON” and engine stop
switch to “
”.
d. Measure the ignition spark gap “a”.
e. Crank the engine by pushing the start switch
“
” and gradually increase the spark gap un-
til a misfire occurs.
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EAS28120
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
2. Check:
• Crankshaft position sensor resistance
Out of specification
→
Replace the crank-
shaft position sensor.
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a. Connect the pocket tester (
Ω
×
100) to the
crankshaft position sensor coupler as shown.
Secondary coil resistance
8.50–11.50 k
Ω
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Negative tester probe
→
black/orange “1”
• Positive tester probe
→
spark plug terminal “2”
Minimum ignition spark gap
6.0 mm (0.24 in)
Ignition checker
90890-06754
Opama pet-4000 spark checker
YM-34487
2. Ignition coil
Crankshaft position sensor resis-
tance
192–288
Ω
at 20 °C (68 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Summary of Contents for Vmax VMX17C 2009
Page 1: ...2009 SERVICE MANUAL VMX17Y C LIT 11616 22 64 2S3 28197 10 ...
Page 6: ......
Page 8: ......
Page 52: ...SPECIAL TOOLS 1 43 ...
Page 85: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 32 ...
Page 90: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 1 4 5 2 3 ...
Page 92: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 A 2 A 4 3 2 1 ...
Page 94: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 A A 1 A A 7 6 8 5 4 3 2 ...
Page 98: ...COOLING SYSTEM DIAGRAMS 2 45 6 1 2 3 4 5 2 3 4 5 7 6 8 9 A B C F E D ...
Page 102: ...CABLE ROUTING 2 49 A B B A B B A B C D E F F H I 1 2 3 4 4 5 6 7 8 G 6 ...
Page 106: ...CABLE ROUTING 2 53 A B 7 1 2 3 4 5 6 12 11 13 F E D 10 C G 14 9 8 ...
Page 110: ...CABLE ROUTING 2 57 A A A B D E F H 1 2 2 3 4 3 5 6 7 8 9 C 4 5 G ...
Page 114: ...CABLE ROUTING 2 61 A A A A A B C 1 2 3 4 5 6 7 8 9 10 11 ...
Page 120: ...CABLE ROUTING 2 67 B A C C B A C C A B C D E F G H I J 1 2 1 2 5 1 2 3 5 3 4 5 ...
Page 124: ...CABLE ROUTING 2 71 ...
Page 127: ......
Page 270: ...SHAFT DRIVE 4 105 ...
Page 316: ...GENERATOR AND STARTER CLUTCH 5 43 a 1 ...
Page 364: ...CONNECTING RODS AND PISTONS 5 91 a ...
Page 390: ...MIDDLE GEAR 5 117 ...
Page 406: ...WATER PUMP 6 15 ...
Page 425: ...THROTTLE BODIES 7 18 1 ...
Page 426: ...AIR INDUCTION SYSTEM 7 19 EAS27040 AIR INDUCTION SYSTEM A A 6 5 4 5 6 1 4 3 3 2 1 A B C D ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 445: ...ELECTRIC STARTING SYSTEM 8 12 ...
Page 447: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 6 Main fuse 8 Battery 9 Frame ground ...
Page 449: ...CHARGING SYSTEM 8 16 ...
Page 461: ...SIGNALING SYSTEM 8 28 ...
Page 465: ...COOLING SYSTEM 8 32 ...
Page 501: ...FUEL INJECTION SYSTEM 8 68 ...
Page 505: ...FUEL PUMP SYSTEM 8 72 ...
Page 509: ...ABS ANTI LOCK BRAKE SYSTEM 8 76 ...
Page 549: ...ABS ANTI LOCK BRAKE SYSTEM 8 116 ...
Page 552: ...ELECTRICAL COMPONENTS 8 119 3 4 5 6 2 1 7 8 9 10 11 12 13 14 15 16 17 18 19 ...
Page 574: ...ELECTRICAL COMPONENTS 8 141 ...
Page 581: ......
Page 582: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...