Engine Oil Requirements; Fuel Requirements; Gasoline; Muddy Or Acidic Water - Yamaha FT8D Owner's Manual

Specifications and requirements
EMU35096

Engine oil requirements

Recommended engine oil:
4-stroke motor oil with a combination
of the following SAE and API oil clas-
sifications
Engine oil type SAE:
10W-30 or 10W-40
Engine oil grade API:
SE, SF, SG, SH, SJ, SL
Engine oil quantity:
0.8 L (0.85 US qt, 0.70 Imp.qt)
If the recommended engine oil grades are not
available, select an alternative from the fol-
lowing chart according to the average temper-
atures in your area.
EMU36360

Fuel requirements

EMU36802

Gasoline

Use a good quality gasoline that meets the
minimum octane rating. If knocking or pinging
occurs, use a different brand of gasoline or
premium unleaded fuel.
14
Recommended gasoline:
Regular unleaded gasoline with a
minimum octane rating of 90 (Re-
search Octane Number).
ECM01981
NOTICE
Do not use leaded gasoline. Leaded gas-
G
oline can seriously damage the engine.
Avoid getting water and contaminants in
G
the fuel tank. Contaminated fuel can
cause poor performance or engine dam-
age. Use only fresh gasoline that has
been stored in clean containers.
EMU36880

Muddy or acidic water

Yamaha strongly recommends that you have
your dealer install the optional chromium-plat-
ed water pump kit if you use the outboard mo-
tor in muddy or acidic water conditions.
However, depending on the model it might not
be required.
EMU36330

Anti-fouling paint

A clean hull improves boat performance. The
boat bottom should be kept as clean of marine
growth as possible. If necessary, the boat bot-
tom can be coated with an anti-fouling paint
approved for your area to inhibit marine
growth.
Do not use anti-fouling paint which includes
copper or graphite. These paints can cause
more rapid engine corrosion.