Service manual

8 - 12
– +
ELEC
IGNITION SYSTEM
EBS01034
NO
YES
EBS01038
YES
NO
4. Ignition spark gap
• Disconnect the ignition coil from the spark
plug.
• Connect the dynamic spark tester
1
as
shown.
2
Ignition coil
• Set the main switch to “ON”.
• Measure the ignition spark gap
a
.
• Crank the engine by pushing the start
switch and gradually increase the spark
gap until a misfire occurs.
Minimum ignition spark gap
6 mm (0.24 in)
• Is there a spark and is the spark gap within
specification?
The ignition system
is OK.
5. Ignition coil resistance
• Disconnect the ignition coil coupler from
the ignition coil.
• Connect the pocket tester (
Ω ×
1) to the
ignition coil as shown.
Positive tester probe
→
orange lead terminal
1
Negative tester probe
→
black lead terminal
2
• Measure the primary coil resistance.
Primary coil resistance
0.08 ~ 0.10
Ω
at 20 °C (68 °F)
• Connect the pocket tester (
Ω ×
1k) to the
ignition coil as shown.
Negative tester probe
→
black lead terminal
1
Positive tester probe
→
ignition coil terminal
2
• Measure the secondary coil resistance.
Secondary coil resistance
4.56 ~ 6.84 k
Ω
at 20 °C (68 °F)
• Is the ignition coil OK?
Replace the ignition
coil.
1
2
1
2