Checking The Ignition Coils; Checking The Ignition Spark Gap - Yamaha FZ09E Service Manual

unit terminal as shown.
c. Check the relay unit (diode) for continuity.
d. Check the relay unit (diode) for no continuity.
EAS2$1 00
CHECKING THE IGNITION COILS
The following procedure applies to all of the igni-
tion coils.
1. Check:
• Primary coil resistance
Out of specification
->
Replace.
Primary coil resistance
1.1s-1.61 n
YYTTTYTTTYYTTTYTTTYYTTYYTTTYTTTY
a. Remove the ignition coil from the spark plug.
b. Connect the pocket tester
(0
x
1) to the igni -
tion coil as shown.
Pocket tester
90890-0311 2
Analog pocket tester
YU-03112-C
• Positive tester probe
->
red/black "1"
• Negative tester probe
->
Cylinder-#1 ignition coil
orange "2"
Cylinder-#2 ignition coil
gray/ red "2"
Cylinder-#3 ignition coil
orange/green "2"
c. Measure the primary coil resistance.
••••••••••••••••••••••••••••••••
2. Check:
• Secondary coil resistance
Out of specification
->
Replace.
ELECTRICAL COMPONENTS
Seco ndary co il res istance
9.35-12.65 kn
TTYTTTYTTTTTTTTYTTTTTTTTYTTTYTTT
a. Connect the pocket tester
(n
x
1 k) to the ig-
nition coil as shown.
Poc ket tester
90890-03112
Analog poc ket tester
YU-03112-C
• Negative tester probe
->
red/black " 1"
• Positive tester probe
->
spark plug terminal "2"
D
-§ +
b. Measure the secondary coil resistance .
....,..,.
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Out of specification
->
Perform the ignition
system troubleshooting, starting with step 5.
Refer to "T ROUBLESHOOTING" on page
8-4.
Minimum ignition spa rk gap
6.0 mm (0.24 in)
TIP ~~~~~~~~~~~~~~­
lf the ignition spark gap is within specification,
the ignition system circuit is operating normally.
TTTTTTTYTTTYTTTTYTTTYTTTTTTTTYTT
a. Remove the ignition coil from the spark plug .
b. Connect the ignition checker "1" as shown.
Ignition c hec ker
90890-06754
Oppama pet-4000 s park c hec ker
YM-34487
8-100