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SAE 10W-40 Formula
4-Stroke® Marine Synthetic Motor Oil (WCF)
Package sizes include:
PRODUCT DESCRIPTION |
4-Stroke Outboard Motor
Warranty Certified
Formula 4-Stroke® Marine Synthetic Motor Oil is certified by the
National Marine Manufacturers Association (NMMA) for use in
four-stroke outboard motors. This high quality oil demonstrates
outstanding performance, exceeding the NMMA “FC-W” (Four
Cycle-Water) specification requirements. Formula 4-Stroke®
Marine Synthetic Motor Oil fulfills the warranty requirements of
four-stroke outboard motor manufacturers.
• NMMA Registration #FB-30010B 10W-40
Superior Protection Against
Engine Wear
Marine engines operate under high loads and RPMs
for extended periods of time, causing traditional automotive
oils to break down and lose viscosity. To ensure good
protection, the NMMA set minimum shear stability requirements
for FC-W. AMSOIL Formula 4-Stroke® Marine Synthetic Motor Oil
greatly exceeds the FC-W shear stability requirements,
outperforming competitive oils to deliver a superior lubricating
film. Formula 4-Stroke® Synthetic Oil also contains robust
anti-wear additives that further reduce wear in metal-to-metal
contact regions.
Excellent Anti-Rust
Performance
Marine engines are prone to rust, leading to uncontrolled wear
and premature engine failure. However, good rust protection is
not natural to engine oil. It comes only by design. Formula
4-Stroke® Marine Synthetic Motor Oil is fortified with a special
anti-rust agent, even more than required to pass stringent NMMA
FC-W anti-rust testing.
Applications
AMSOIL Formula 4-Stroke® Marine Synthetic 10W-40 Motor Oil (WCF)
is recommended for gasoline fueled four-stroke outboard,
inboard, inboard/outboard (I/O) and personal watercraft motors.
AMSOIL WCF motor oil is recommended for the following
applications whenever an SAE 10W-40, 15W-40, 25W-40 or straight
SAE 40 oil is called for:
Four-stroke outboard motors: Honda®, Mercury®, Yamaha®, Johnson®/Evinrude®, Bombardier/BRP®, Suzuki®, Nissan®, Tohatsu®
Inboard and I/O: Mercruiser®, Volvo Penta®, OMC®, Chrysler® Marine, Crusader®, Marine Power®, Chevrolet®, Ford®
Personal Watercraft: Honda®, Yamaha®, Bombardier/BRP® (Sea-Doo®), Polaris®
Note: AMSOIL Formula 4-Stroke® Marine Synthetic 10W-40 is recommended for use in place of 25W-40 as specified by Mercury®.
NMMA FC-W • API SL
Service Life
• Four-stroke outboard motors and personal watercraft applications: Due to potential fuel dilution or water contamination, change oil at the engine or watercraft manufacturer recommended interval.
• Inboard and I/O applications: Change oil at two times the engine manufacturer recommended interval or one year, whichever comes first.
Mixing AMSOIL
AMSOIL Formula 4-Stroke® Marine Synthetic Motor Oil is
compatible with conventional and synthetic motor oils. Mixing
AMSOIL motor oils with other oils will, however, shorten the oil
life expectancy and reduce the performance benefits. AMSOIL does
not support extended drain intervals where oils have been mixed.
Aftermarket oil additives are not recommended for use with AMSOIL motor oils.
Health & Safety
This product is not expected to cause health concerns when used
for the intended application and according to the
recommendations in the Material Safety Data Sheet (MSDS). MSDS’s
are available upon request at
715-392-7101
or
on our website. Keep Out of Reach of Children. Don’t
pollute. Return used oil to collection centers.
TYPICAL TECHNICAL PROPERTIES |
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AMSOIL FORMULA
4-STROKE® MARINE SYNTHETIC MOTOR OIL (WCF) |
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Kinematic Viscosity @ 100°C, cSt (ASTM D-445) |
14.1 |
Kinematic Viscosity @ 40°C, cSt (ASTM D-445) |
93.8 |
Viscosity Index (ASTM D-2270) |
154 |
CCS Viscosity, cP @ (°C) (ASTM D-5293) |
6871 (-25) |
Flash Point °C (°F) (ASTM D 92) |
234 (453) |
Fire Point °C (°F) (ASTM D 92) | 254 (489) |
Pour Point °C (°F) (ASTM D 97) | -46 (-51) |
Noack Volatility, % weight loss (g/100g) (ASTM D-5800) |
6.40% |
Four Ball Wear Test (ASTM D 4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour, Scar in mm) |
0.40 |
Total Base Number (ASTM D-2896) | 10.5 |
HTHS (cP) | 4.6 |
Humidity Cabinet Rust (ASTM D-1748) | Pass |
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