Checking The Spark Plug Caps; Checking The Ignition Coils - Yamaha 2007 FZ6-NA Service Manual

Continuity
Positive tester probe → Sky
blue "1"
Negative
Black/Yellow "2"
No continuity
Positive tester probe → Black/
Yellow "2"
Negative tester probe → Sky
blue "1"
Continuity
Positive tester probe → Sky
blue "1"
Negative
Black/Red "3"
No continuity
Positive tester probe → Black/
Red "3"
Negative tester probe → Sky
blue "1"
Continuity
Positive tester probe → Sky
blue "1"
Negative tester probe → Light
green "4"
No continuity
Positive tester probe → Light
green "4"
Negative tester probe → Sky
blue "1"
Continuity
Positive tester probe → Blue/
Green "5"
Negative
Black/Red "3"
No continuity
Positive tester probe → Black/
Red "3"
Negative tester probe → Blue/
Green "5"
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
→
tester probe
→
tester probe
→
tester probe
ELECTRICAL COMPONENTS
a. Disconnect the relay unit coupler from the
wire harness.
b. Connect the pocket tester (Ω × 1) to the
relay unit terminal as shown.
c. Check the relay unit (diode) for continuity.
d. Check the relay unit (diode) for no continu-
ity.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS28070

CHECKING THE SPARK PLUG CAPS

The following procedure applies to all of the
spark plug caps.
1. Check:
• Spark plug cap resistance
Out of specification → Replace.
Resistance
10.0 kΩ
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
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.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
c. Measure the spark plug cap resistance.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS28100

CHECKING THE IGNITION COILS

The following procedure applies to all of the
ignition coils.
1. Check:
• Primary coil resistance
Out of specification → Replace.
Primary coil resistance
1.53–2.07 Ω at 20°C (68°F)
8-121