Yamaha LIT-11616-12-01 Motorcycle User Manual


 
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ELEC
IGNITION SYSTEM
EB802010
TROUBLESHOOTING
IF THE IGNITION SYSTEM FAILS TO OPERATE (NO SPARK OR INTERMITTENT SPARK):
Procedure
Check:
1.Fuse
2.Battery
3.Spark plug
4.Ignition spark gap
5.Spark plug cap resistance
6.Ignition coil resistance
7.Engine stop switch
8.Main switch
9.Pickup coil resistance
10.Charging/rotor rotation direction detection
coil resistance
11.Wiring connection
(the entire ignition system)
NOTE:
Remove the following part(s) before trouble-
shooting:
1)Seat
2)Front carrier
3)Front fender
Use the following special tool(s) for trouble-
shooting.
Dynamic spark tester:
P/N. YM-34487
Pocket tester:
P/N. YU-03112, 90890-03112
EB802011
CONTINUITY
1.Fuse
Refer to “SWITCH INSPECTION”.
NO CONTINUITY
Replace the fuse.
EB802012
CORRECT
2.Battery
Check the battery condition.
Refer to “BATTERY INSPECTION”.
Open-circuit voltage:
12.8 V or more at 20 ˚C (68 ˚F)
INCORRECT
Clean the battery terminals.
Recharge or replace the battery.
C0NTINUITY
3.Spark plug
Check the spark plug condition.
Check the spark plug type.
Check the spark plug gap.
Refer to “SPARK PLUG INSPECTION”.
*
Standard spark plug:
DR7EA