Service manual

TRBL
SHTG
Troubleshooting
9-7
69J1D11
Symptom: Engine cranks, but will not start (engine stop lanyard switch is operating nor-
mally).
• Check the ignition system.
• Check the fuel system.
• Check the compression pressure of the power unit.
Wet spark plugs?
Check the condition of the spark
plugs.
WARNING
• Do not touch any of the connections of
the spark gap tester leads.
• Do not let sparks leak out of the
removed spark plug caps.
• Keep flammable gas or liquids away,
since this test can produce sparks.
Start the engine using dried or
new spark plugs.
No
Yes
Yes
No
Check that the spark plugs pro-
duce sparks.
No
Yes
Are there sparks?
Check the ignition coil.
Check the ignition
system output peak
voltage.
Check the ignition spark using
the spark gap tester.
Continued on next page.
Check the fuel system.
Yes
No
Check the main
relay.
Is there
continuity?
Check the main relay for conti-
nuity.
Good spark?