Changing Engine Oil; Inspecting Wiring And Connectors; Checking Propeller - Yamaha F350 Owner's Manual

the outboard motor is in the water.
Inspect the engine idle speed using the
meter that is equipped on the boat. Results
may vary depending on whether testing is
conducted with the outboard motor in the wa-
ter.
1. Start the engine and allow it to warm up
fully in neutral until it is running smooth-
ly.
2. Inspect the engine idle speed. If the en-
gine idle speed is out of specification,
consult a Yamaha dealer or other quali-
fied mechanic.
Idle speed (in neutral):
600-700 r/min
EMU35084

Changing engine oil

ECM01710
NOTICE
Change the engine oil after the first 20
hours of operation or 3 months, and ev-
ery 100 hours or at 1-year intervals there-
after. Otherwise the engine will wear
quickly.
Consult your Yamaha dealer for replacement
of the engine oil filter and change of the en-
gine oil.
EMU29114

Inspecting wiring and connectors

Inspect that each connector is engaged

securely.
Inspect that each ground lead is properly

secured.
EMU29174

Checking propeller

EWM01881
WARNING
You could be seriously injured if the en-
gine accidentally starts when you are
near the propeller. Before inspecting, re-
moving, or installing the propeller, place
the shift control in neutral, turn the main
switch to " " (off) and remove the key,
and remove the clip from the engine shut-
off switch. Turn off the battery cut-off
switch if your boat has one.
Do not use your hand to hold the propeller
when loosening or tightening the propeller
nut. Put a wood block between the anti-cavi-
tation plate and the propeller to prevent the
propeller from turning.
Maintenance
ZMU05867
111