69
11
TROUBLESHOOTING
Engine falling to start
Engine starting but stopping soon
Poor idling
Poor acceleration
Engine speed abnormally high
Engine speed abnormally low
Boat speed low
Overheating of engine
Warning lamp ON
Power tilt inoperative
Possible cause
ELECTRICAL SYSTEM
● ● ● ● ● ● ●
Spark plug other than specified
● ● ● ● ● ●
Dirt, soot, etc. on spark plug
● ●
Faulty oil pressure switch
● ● ● ● ● ●
No Spark or weak spark
●
Short circuit of engine stop switch
● ● ● ● ●
Ignition timing incorrect
● ●
Lock plate not fitted
● ●
Disconnection of wire or loose ground connection
●
Blown 20 Amp fuse in the starting circuit
●
Not shifted to neutral position
● ●
Weak battery or battery connections are loose or corroded
● ●
Ignition key switch failure
● ●
Wiring or electrical connection faulty
●
Starter motor or starter solenoid failure
OM_E_10HP_body_111213.indd 69 11/12/13 13:24