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7-9
ELEC
IGNITION SYSTEM
NOTE:
YES
NO
Replace the fuse(-s).
1. Main and ignition fuses
SCheck the main and ignition fuses for conti-
nuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
SAre the main and ignition fuses OK?
2. Battery
SCheck the condition of the battery.
Refer to “CHECKING AND CHARGING THE
BATTERY” in chapter 3.
Min. open-circuit voltage
12.8 V or more at 20_C
SIs the battery OK?
YES
SClean the battery
terminals.
SRecharge or re-
place the battery.
NO
3. Spark plugs
The following procedure applies to all of the
spark plugs.
SCheck the condition of the spark plug.
SCheck the spark plug type.
SMeasure the spark plug gap.
Refer to “CHECKING THE SPARK PLUGS”
in chapter 3.
Standard spark plug
DPR 8EA-9 (NGK)
X24EPR-U9 (DENSO)
Spark plug gap
0.8 X 0.9 mm
SIs the spark plug in good condition, is it of the
correct type, and its gap within specification?
YES
Re-gap or replace the
spark plug.
NO
EAS00737
TROUBLESHOOTING
The ignition system fails to operate (no
spark or intermittent spark).
Check:
1. main and ignition fuses
2. battery
3. spark plugs
4. ignition spark gap
5. spark plug cap resistance
6. ignition coil resistance
7. pickup coil resistance
8. main switch
9. engine stop switch
10. neutral switch
11. sidestand switch
12. wiring
(of the entire ignition system)
SBefore troubleshooting, remove the following
part(-s):
1) seat
2) fuel tank
3) headlight unit
4) side cover (left)
STroubleshoot with the following special
tool(-s).
Ignition checker
90890-06754
Pocket tester
90890-03112
EAS00738
EAS00739
EAS00741