ELECTRICAL COMPONENTS
8-68
Radiator fan motor relay
EASB29B352
CHECKING THE DIODE
1. Check:
• Diode
Out of specification
Replace.
TIP
The pocket tester and the analog pocket tester
readings are shown in the following table.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Disconnect the diode from the wire harness.
b. Connect the pocket tester (
1) to the di-
ode coupler as shown.
c. Check the diode for continuity.
d. Check the diode for no continuity.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EASB29B353
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Out of specification
Perform the ignition
system troubleshooting, starting with step 4.
Refer to “TROUBLESHOOTING” on page 8-
4.
TIP
If the ignition spark gap is within specification,
the ignition system circuit is operating normally.
Result
Continuity
(between “3” to “4”)
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between “3” to “4”)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
1
2
3
4
P/L
R/L
R/W
Br,R/W
No continuity
Tester positive lead
Sky blue
“1”
Tester negative lead
Green/
Black “2”
Continuity
Tester positive lead
Green/
Black “2”
Tester negative lead
Sky blue
“1”
No continuity
Tester positive lead
Red “3”
Tester negative lead
Red/Blue
“4”
Continuity
Tester positive lead
Red/Blue
“4”
Tester negative lead
Red “3”
Minimum ignition spark gap
6.0 mm (0.24 in)
2
1
4
3
R
Sb
G/B
R/L
Summary of Contents for YZ 2017 Series
Page 6: ...EASB916006 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Page 10: ......
Page 63: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 22...
Page 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Page 72: ...CABLE ROUTING DIAGRAM 2 31 EASB29B065 CABLE ROUTING DIAGRAM...
Page 74: ...CABLE ROUTING DIAGRAM 2 33...
Page 76: ...CABLE ROUTING DIAGRAM 2 35...
Page 78: ...CABLE ROUTING DIAGRAM 2 37...
Page 80: ...CABLE ROUTING DIAGRAM 2 39...
Page 82: ...CABLE ROUTING DIAGRAM 2 41...
Page 84: ...CABLE ROUTING DIAGRAM 2 43...
Page 86: ...CABLE ROUTING DIAGRAM 2 45...
Page 198: ...CHAIN DRIVE 4 70...
Page 262: ...OIL PUMP AND BALANCER GEAR 5 61 a 2 10 b 2 9 1 b 5 3 a 4 10 5 9 3 E c d 6 7 8 8 b 6...
Page 319: ...CHARGING SYSTEM 8 15...
Page 327: ...COOLING SYSTEM For JPN 8 23...
Page 359: ...FUEL PUMP SYSTEM 8 55...
Page 360: ...ELECTRICAL COMPONENTS 8 56 EASB29B345 ELECTRICAL COMPONENTS EASB29B346 9 10 11 1 3 2 4 5 6 7 8...
Page 362: ...ELECTRICAL COMPONENTS 8 58 11 10 9 2 3 1 6 7 8 4 5...
Page 364: ...ELECTRICAL COMPONENTS 8 60 EASB29B347 CHECKING THE SWITCHES 4 1 3 2 B B Sb B B B B B B B B...