Checking Wiring And Connectors; Exhaust Leakage; Water Leakage; Checking Power Trim And Tilt System - Yamaha 70 Owner's Manual

1. Drain hose
2. Filler neck side
EMU29112

Checking wiring and connectors

Check that each grounding wire is properly
G
secured.
Check that each connector is engaged se-
G
curely.
EMU29120

Exhaust leakage

Start the engine and check that no exhaust
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
EMU29130

Water leakage

Start the engine and check that no water
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
2
1
ZMU03898
ZMU03841
EMU29153

Checking power trim and tilt system

EWM00430
WARNING
Never get under the lower unit while it
G
is tilted, even when the tilt support lever
is locked. Severe injury could occur if
the outboard motor accidentally falls.
Make sure no one is under the outboard
G
motor before performing this test.
1. Check the power trim and tilt unit for any
sign of oil leaks.
2. Operate each of the power trim and tilt
switches on the remote control and en-
gine bottom cowling (if equipped) to
check that all switches work.
3. Tilt the outboard motor up and check
that the tilt rod and trim rods are extend-
ed completely.
1. Tilt rod
2. Trim rods
4. Use the tilt support lever to lock the mo-
tor in the up position. Operate the tilt
down switch briefly so the motor is sup-
ported by the tilt support lever.
Maintenance
52