5-29
ELEC
IGNITION SYSTEM
IGNITION SYSTEM
TROUBLESHOOTING CHART
NO SPARK OR WEAK SPARK
1. Engine oil level
9
Check the oil level.
(Refer to “ENGINE OIL LEVEL” on 2-5)
2. Spark plug
9
Check the spark plug condition.
(Refer to “SPARK PLUG” on 2-3)
Add engine oil.
MEETS
SPECIFICATION
OUT OF
SPECIFICATION
Repair or replace the spark plug.
GOOD
NOT GOOD
Inspection steps:
1. Engine oil level
2. Spark plug
3. Ignition spark gap
4. Spark plug cap resistance
5. Ignition coil (TCI unit) resistance
6. Ignition coil (TCI unit) resistance
7. Air gap
8. Engine switch
9. Oil level switch
10. Wire harness
TIP
9
Remove the following part(s) before troubleshooting.
1) Control panel
2) Recoil starter
9
Use the following special tool(s) for troubleshooting.
Analog pocket tester:
YU-03112-C
Pocket tester:
90890-03112
Oppama pet-4000 spark checker:
YM-34487
Ignition checker:
90890-06754