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8-7
IGNITION SYSTEM
ELEC
NOTE:
YP******
1. Fuse
Refer to “CHECKING SWITCHES” section in
CHAPTER 8.
Replace the fuse.
NO CONTINUITY
CONTINUITY
YP******
2. Battery
Check the battery condition.
Refer to “BATTERY INSPECTION” section
in CHAPTER 3.
Clean battery terminals.
Recharge or replace the battery.
INCORRECT
CORRECT
YP******
3. Spark plug
Check the spark plug condition.
Check the spark plug type.
Check the spark plug gap.
Refer to “SPARK PLUG INSPECTION” sec-
tion in CHAPTER 3.
Repair or replace the spark plug
OUT OF SPECIFICATION
Standard spark plug:
DR8EA/NGK
Spark plug gap:
0.6 X 0.7 mm
YP802010
TROUBLESHOOTING
IF THE IGNITION SYSTEM
FAILS TO OPERATE.
(NO SPARK OR INTERMITTENT SPARK)
Procedure
Check:
1. Fuse (Main)
2. Battery
3. Spark plug
4. Ignition spark gap
5. Spark plug cap resistance
6. Ignition coil
Remove the following parts before trouble-
shooting.
1) Footrest board
2) Cowling body
Use the special tools specified in the trouble
shooting section.
Ignition checker
90890-06754
Pocket tester:
90890-03112
7. Pickup coil resistance
8. Main switch
9. Engine stop switch
10. Sidestand switch
11. Wiring connection
(entire ignition system)