Checking The Ignition Spark Gap - Yamaha XVS13AWC Service Manual

b. Connect the pocket tester (Ω × 1) to the relay
unit terminals as shown.
c. Check the relay unit (diode) for continuity.
d. Check the relay unit (diode) for no continuity.
L LLL L LLL L L LLL L L LLL L
Diode 1
1. Check:
• Diode 1
Out of specification → Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
NOTE:
The pocket tester and the analog pocket tester
readings are shown in the following table.
Continuity
Positive tester probe → white
"1"
Negative tester probe →
red/white "2" or red/white "3"
No continuity
Positive tester probe →
red/white "2" or red/white "3"
Negative tester probe → white
"1"
2
3
1
M MMM M MMM M M MMM M M MMM M
a. Disconnect the diode 1 from the wire har-
ness.
b. Connect the pocket tester (Ω × 1) to the diode
1 terminals as shown.
c. Check the diode 1 for continuity.
d. Check the diode 1 for no continuity.
L LLL L LLL L L LLL L L LLL L
Diode 2
1. Check:
• Diode 2
Out of specification → Replace.
L LLL L L LLL L LLL
R/W R/W
W
M MMM M M MMM M MMM
L LLL L L LLL L LLL
8-82
ELECTRICAL COMPONENTS
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
NOTE:
The pocket tester and the analog pocket tester
readings are shown in the following table.
Continuity
Positive tester probe →
blue/white "1"
Negative tester probe →
black/red "2"
No continuity
Positive tester probe →
black/red "2"
Negative tester probe →
blue/white "1"
1
2
M MMM M MMM M M MMM M M MMM M
a. Disconnect the diode 2 from the wire har-
ness.
b. Connect the pocket tester (Ω × 1) to the diode
2 terminals as shown.
c. Check the diode 2 for continuity.
d. Check the diode 2 for no continuity.
L LLL L LLL L L LLL L L LLL L
EAS3D81017

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.
Minimum ignition spark gap
6.0 mm (0.24 in)
L/W
B/R
M MMM M M MMM M MMM
L LLL L L LLL L LLL