ELEC
7 - 8
2. Spark plug
• Check the condition of the spark plug.
• Check the spark plug type.
• Measure the spark plug gap.
Refer to “CHECKING THE SPARK PLUG” in
chapter 3.
Standard spark plug
CR7HSA (NGK)
Spark plug gap
0.6 ~ 0.7 mm
• Is the spark plug in good condition, is it of
the correct type, and is its gap within spe-
cification?
3. Ignition spark gap
• Disconnect the spark plug cap from the
spark plug.
• Connect the ignition checker
as shown.
Spark plug cap
• Set the main switch to “ON”.
• Measure the ignition spark gap
.
• Crank the engine by pushing the starter
switch and gradually increase the spark
gap until a misfire occurs.
Minimum ignition spark gap
6,0 mm
• Is there a spark and is the spark gap within
specification?
IGNITION SYSTEM
TROUBLESHOOTING
Check:
1. Main fuse
2. Spark plug
3. Ignition spark gap
4. Spark plug cap resistance
5. Ignition coil resistance
6. Main switch
9. Pickup coil resistance
10. Battery
7.
Neutral switch
8.
Reverse switch
11. Wiring connections (of the entire ignition
system)
TIP:
• Before troubleshooting, remove the follo-
wing part(s):
1.Seat
2.Front fender
1.Ignition checker
2.pocket tester
• Troubleshoot with the following special
tool(s).
The ignition system fails to operate
(no spark or intermittent spark).
YES
NO
Re-gap or replace
the spark plug.
The ignition system
is OK.
YES
NO
1. Main fuse
• Check the fuse for continuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• Is the fuse OK?
Replace the fuse.
YES
NO
