Checking The Spark Plug Cap; Checking The Ignition Coil - Yamaha 2010 XMAX YP125R Service Manual

b. Set the main switch to "ON".
c. Measure the turn signal/hazard relay input
voltage.
L LLL L LLL L L LLL L
2. Check:
• Turn signal/hazard relay output voltage
Out of specification → Replace.
Turn signal/hazard relay output
voltage
DC 12 V
M MMM M MMM M M MMM M
a. Connect the pocket tester (DC 20 V) to the
turn signal/hazard relay terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
brown/white "1"
• Negative tester probe →
ground
b. Set the main switch to "ON".
c. Measure the turn signal/hazard relay output
voltage.
L LLL L LLL L L LLL L
Br/R
L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M
Br/R
L LLL L L LLL L L LLL L
ELECTRICAL COMPONENTS
EAS28060

CHECKING THE SPARK PLUG CAP

1. Check:
• Spark plug cap resistance
Out of specification → Replace.
M MMM M MMM M
a. Remove the spark plug cap from the spark
plug lead.
b. Connect the pocket tester (Ω × 1k) to the
spark plug cap as shown.
LLL
MMM
c. Measure the spark plug cap resistance.
L LLL L LLL L
EAS28090

CHECKING THE IGNITION COIL

1. Check:
• Primary coil resistance
Out of specification → Replace.
M MMM M MMM M
a. Disconnect the ignition coil connectors from
the ignition coil terminals.
b. Connect the pocket tester (Ω × 1) to the igni-
tion coil as shown.
LLL
• Positive tester probe →
red/black "1"
• Negative tester probe →
orange "2"
8-82
Resistance
10.0 kΩ
M MMM M M MMM M M MMM M
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
L LLL L L LLL L L LLL L
Primary coil resistance
2.16–2.64 Ω at 20 °C (68 °F)
M MMM M M MMM M M MMM M
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
M MMM M MMM
L LLL L LLL
M MMM M MMM