TOHATSU MD 70-90C2 Service Manual page 286

O
Troubleshooting
K
Symptom
-1.
Power Head
-2.
Air System
Engine will not
fully increase
-3.
speed with wide
Fuel System
open throttle.
-4.
Electrical
System
7
7-1.
Engine
Outboard
accelerates but
Motor
boat will not.
8
8-1.
Turning of main
Electrical
switch will not
System
stop engine.
9-10
Item
Compression insufficient
Air rail internal air pressure is low.
Air rail internal air pressure is high.
Fuel Tank
Fuel Hose
Fuel Filter
Fuel pressure is low.
Normal value range:
0. 7 - 0.78MPa
(97.17 - 113.13psi)
[ .7 - 7.8kg/cm ]
2
Spark Plug
Air Injector
Self-diag. reports component
abnormality.
Propeller
Installation
Boat
Main Switch
Stop Switch
Ground Wire
Warning
indicator A
Self-
(Oil level)
diagnosable
eep
( )
○
○
Warning Warning
lamp lamp C
(Water temp.) ( attery volt.)
TLDI 75/90C2 2010