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25W-40 Synthetic-Blend
Marine Engine Oil
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Product Code: WCM |
Engine performance and reliability are key to a successful day
fishing or boating. High-rpm operation and constant exposure to
water, however, invite engine wear and formation of rust and
corrosion, reducing engine performance and life. AMSOIL 25W-40
Synthetic Blend Marine Engine Oil guards against wear while
delivering excellent protection against rust and corrosion. It is
Warranty Secure® and will not void your marine engine’s warranty.
Package sizes include:
- Quart Bottles
- 55-Gallon Drum
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NMMA 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 Number: FC-11825 |
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Protects Against Wear
Marine engines operate under high loads and rpm for extended
periods. On average, a marine engine powering a boat 30 mph runs at
about 5,000 rpm. In contrast, an automotive engine powering a car 60
mph runs at about 2,000 rpm. Higher stress causes traditional
automotive oils to break down and lose viscosity. AMSOIL 25W-40
Synthetic Blend Marine Engine Oil is designed with excellent shear
stability to deliver a consistent lubricating film. It helps guard
engine components from wear for maximum life.
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Excellent Anti-Rust Performance
Marine engines are prone to rust and corrosion due to constant
exposure to humid, wet environments. Rust on engine parts acts like
sandpaper, scouring bearings, the cylinder wall, piston rings and
other components, while aluminum pistons and other parts can
corrode. Rust and corrosion reduce engine power and eventually cause
catastrophic failure. Good rust protection is not natural to motor
oil; it comes only by design. AMSOIL 25W-40 Synthetic Blend Marine
Engine Oil is fortified with potent inhibitors that guard against
damaging rust and corrosion. |
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Product
Applications
Use in
gasoline-fueled four-stroke inboards, outboards, inboard/ outboards
and personal watercraft that require any of the specifications
listed below, including those made by Mercury* and Mercruiser*.
• API SM
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NMMA FC-W Catalyst Compatible
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Service Life Four-stroke outboard motors and personal
watercraft: 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 once a
year,whichever comes first.
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