Ignition System; Troubleshooting Chart - Yamaha EF7000 Service Manual

IGNITION SYSTEM

TROUBLESHOOTING CHART

Inspection steps:
1. Engine oil level
2. Spark plug
3. Ignition spark gap
4. Spark plug cap resistance
5. Ignition coil (TCI unit) resistance
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
1. Engine oil level
9 Check the oil level.
(Refer to "ENGINE OIL LEVEL" on 2-5)
MEETS
SPECIFICATION
2. Spark plug
9 Check the spark plug condition.
(Refer to "SPARK PLUG" on 2-3)
GOOD
NO SPARK OR WEAK SPARK
OUT OF
SPECIFICATION
NOT GOOD
5-29
IGNITION SYSTEM
6. Ignition coil (TCI unit) resistance
7. Air gap
8. Engine switch
9. Oil level switch
10. Wire harness
Oppama pet-4000 spark checker:
YM-34487
Ignition checker:
90890-06754
Add engine oil.
Repair or replace the spark plug.
ELEC