Inspecting Idling Speed; Changing Engine Oil; Checking Wiring And Connectors - Yamaha F300A Owner's Manual

Maintenance
EMU35590

Inspecting idling speed

ECM01690
NOTICE
This procedure must be performed while
the outboard motor is in the water.
Perform this procedure using the 6Y8 Multi-
function Tachometer. Results may vary de-
pending on whether testing is conducted
with the outboard motor in the water.
1. Start the engine and allow it to warm up
fully in neutral until it is running smooth-
ly.
2. Verify whether the idle speed is set to
specification. For idle speed specifica-
tions, see page 10.
86
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.
ZMU05930
Consult your Yamaha dealer for replace-
ment of the engine oil filter and change of the
engine oil.
EMU29112

Checking wiring and connectors

Check that each grounding wire is properly
G
secured.
Check that each connector is engaged se-
G
curely.
ZMU05933
ZMU05867