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Jack Rye
 
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Default Synthetic oil in a outboard engine ?

Formula 4-Stroke Synthetic 0W-40 Motor Oil

Specially formulated to lubricate and protect 4-stroke recreational motors.
AMSOIL Formula 4-Stroke Synthetic Motor Oil is specially formulated for
four-stroke recreational motors, including ATVs, outboard motors and
motorcycles. It may also be used in cars and trucks. Its broad viscosity
range makes it excellent for use in both hot and cold temperature extremes.

AMSOIL Formula 4-Stroke Synthetic Motor Oil may be used in all applications
specifying 0W-40, 5W-30, 10W-30 and 10W-40 viscosity grades and is
recommended for applications requiring the following specifications:

a.. API SJ, SH, SG, SF, CD, CF
b.. JASO MA
Use in Yamaha, Suzuki, Honda, Mercury, Kawasaki, Arctic Cat, Polaris, Nissan
and Bombardier motors and transmissions. Safe in wet or dry sumps.
Recommended for manual or automatic clutches.

PRODUCT DESCRIPTION

Resists High Temperature Vaporization
Conventional motor oils tend to vaporize and lose weight in high temperature
conditions, contributing to poor oil circulation, reduction in fuel
efficiency and excessive emissions and engine wear. AMSOIL Formula 4-Stroke
Synthetic Motor Oil is highly resistant to evaporation. While conventional
petroleum oils thicken due to evaporation, AMSOIL Formula 4-Stroke Synthetic
Motor Oil maintains its viscosity in high temperature service. The superior
evaporation resistance of AMSOIL Formula 4-Stroke Synthetic Motor Oil keeps
engine wear, oil consumption and emissions to a minimum, while keeping oil
circulation efficient and fuel economy high.

Friction Modifier Free
AMSOIL Formula 4-Stroke Synthetic Motor Oil contains no friction modifiers,
making it ideal for ATV, outboard motor and motorcycle engines. The friction
modifier free formulation of AMSOIL 4-Stroke ensures transmission (manual or
automatic) and clutch compatibility and prevents slip.

Performance Formulated
AMSOIL Formula 4-Stroke Synthetic Motor Oil contains a robust
dispersant/detergent package, making it ideal for use in high-stress
four-cycle engines. The dispersant/detergent additive package effectively
suspends harmful combustion by-products and prevents deposits, keeping
AMSOIL Formula 4-Stroke clean and serviceable.

High-temperature operations often lead to the thermal degradation and
oxidation of conventional oils, leading to the formation of deposits, sludge
and varnish. The superior oxidative and thermal stability of AMSOIL Formula
4-Stroke Synthetic Motor Oil inhibits the formation of varnish, deposits and
sludge so equipment runs clean in high-stress, high temperature operations.

Temperature and Performance
AMSOIL Formula 4-Stroke Synthetic Motor Oil has a broad viscosity range,
making it excellent for use in both hot and cold temperature extremes. As an
SAE 40 weight motor oil, AMSOIL Formula 4-Stroke provides superior
protection for hot operating, hard working motors, while its SAE 0W rating
ensures easy cranking, excellent cold weather starting and quick
post-startup protection.

Copper Corrosion, Rust and Foam Inhibition
AMSOIL Formula 4-Stroke Synthetic Motor Oil protects equipment from copper
corrosion and rust, even during equipment storage. AMSOIL Formula 4-Stroke
Synthetic Motor Oil does not foam in service, protecting equipment from the
metal-to-metal contact and wear that occurs with use of foam-filled fluids.

TYPICAL TECHNICAL PROPERTIES

AMSOIL FORMULA 4-STROKE SYNTHETIC MOTOR OIL (AFF) SAE 0W-40



Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
14.20

Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
73.93


Viscosity Index (ASTM D-2270)
201
CCS Viscosity, cP @ (°C) (ASTM D2602)
5691
Flash Point °C (°F) (ASTM D 92)
228 (442)
Pour Point °C (°F) (ASTM D 97) -51 (-60)
Noack Volatility, % weight loss (g/100g) (ASTM D-5800)
11.63%
Four Ball Wear Test (ASTM D 4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour,
Scar in mm)
0.40
Total Base Number 8.91



Applications and Recommendations
AMSOIL Formula 4-Stroke Synthetic Motor Oil may be used in all applications
specifying 0W-40, 5W-30, 10W-30 and 10W-40 viscosity grades and is
recommended for applications specifying the following:

.. API SJ, SH, SG, SF, CD, CF
.. JASO MA

Use in Yamaha®, Suzuki®, Honda®, Mercury®, Kawasaki®, Arctic Cat®, Polaris®,
Nissan® and Bombardier® motors and transmissions. Safe in wet or dry sumps.
Recommended for manual or automatic clutches.

Compatibility
AMSOIL Formula 4-Stroke Synthetic Motor Oil is compatible with other
four-stroke fluids. However, a mixture of AMSOIL Formula 4-Stroke Synthetic
Motor Oil and another oil may offer a shorter service life than pure AMSOIL
Formula 4-Stroke Synthetic Motor Oil.

AMSOIL Formula 4-Stroke Synthetic Motor Oil is compatible with and
recommended for use with clutch plates in ATV's and motorcycle
transmissions.

Installation
Change AMSOIL Formula 4-Stroke Synthetic Motor Oil according to
manufacturer's recommendations, without oil filtration. With oil filtration
(AMSOIL SDF Filter), up to 2 times longer than manufacturer's
recommendations or 6 months, whichever comes first. If a Hastings or other
filter is used, filter should be changed at manufacturer's recommendations.

"JG" wrote in message ...
I have been told that automotive synthetic oils (Mobil 1) should not be
used in a marine engine. I didn't hear the reasoning behind this

statement.
Does anyone know why they should not be used?

Thanks JG




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