Metric 10W-40 Synthetic Motorcycle Oil (MCF)

AMSOIL Metric 10W-40 Synthetic Motorcycle OilMetric Synthetic 10W-40 Motorcycle Oil is the most cost-effective upgrade you can make for any brand of motorcycle requiring a 10W-40. Fights wear, reduces friction. 

AMSOIL 10W40 Motorcycle Oil Package Sizes Include:
1-Quart Bottles (or buy case of 12)
1-Gallon (or buy case of 4)
55-Gallon Drum

AMSOIL Metric Synthetic 10W-40 Motorcycle Oil delivers professional-grade performance and protection. Enjoy optimized power delivery and shifting performance. Metric 10W-40 protects your investment and maximizes your riding experience.

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Features And Benefits Of AMSOIL Metric Synthetic 10W-40 Motorcycle Oil

  • Synthetic formula reduces friction
  • Offers powerful wear protection
  • Delivers smoother gear shifting
  • Compatible with all wet-clutches
  • Will not thin out in extreme heat
  • Designed to stay in service for twice as long as other 10W-40 motorcycle oils.
  • Contains additives to prevent internal rust during storage
  • Defends against deposit, varnish and sludge formation
  • Lowers oil consumption

Professional-Grade Wear Protection

There is no greater test for a motorcycle oil than professional motorcycle racing. Metric Synthetic 10W-40 Motorcycle Oil delivers steady protection for these engines. AMSOIL starts with a shear stable 100% synthetic base oil and then loads it with anti-wear additives that will not fail in the face of extreme loads and hard gear mashing. Even if you do not push your bike to the limit, there is no better way to protect your investment for many years to come.

Protects Transmissions And Clutches

The low-wear capabilities of AMSOIL Metric Synthetic 10W-40 Motorcycle Oil also extends to transmission service. This 10W-40 contains powerful anti-wear additives that prevent metal-to-metal wear. AMSOIL MCF 10W-40 also lengthens clutch plate life due to its ability to stabilize operating temperatures. Metric Synthetic 10W-40 does not contain friction modifiers. This makes it 100% wet-clutch compatible. Read more in our article, Does Synthetic Motorcycle Oil Cause Wet Clutch Problems?

Low Friction-High Performance

The low-friction properties of AMSOIL Metric Synthetic 10W-40 Motorcycle Oil improves your riding experience on a number of fronts. Expect smoother, cooler operation with improved power delivery. Many touring riders also tell us about improved fuel economy. The lower friction offered by this 10W-40 motorcycle oil also results in smoother, more precise gear changes, even in extreme heat.

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Protects From Rust During Long Off-Season

The protective properties of AMSOIL Metric Synthetic 10W-40 Motorcycle Oil don’t stop when you put your bike away in the fall. AMSOIL added serious anti-rust and corrosion additives to this 10W-40. Therefore, your motorcycle’s engine and transmission is protected from rust damage.

Suitable Applications for AMSOIL Metric Synthetic 10W-40 Motorcycle Oil

  • This 10W-40 synthetic motorcycle oil by AMSOIL is suitable for 4-stroke air-cooled or liquid-cooled motorcycle, ATV, Side-By-Side or UTV engines.
  • Suitable for 2-stroke or 4-stroke transmissions requiring SAE 80W/90 or API GL-1 gear oil. Suitable for wet-clutches.
  • Recommended for motorcycle/ATV brands such as Yamaha, Suzuki, Honda, Kawasaki, BMW, KTM, Victory, Husqvarna, Arctic Cat, Can-Am Spyder, Polaris or other motorcycles where the suggested motorcycle engine oil is 10W-40.
  • Meets or exceeds the following specifications: API SG, SL/CF, CG-4; JASO MA/MA2; API GL-1; ISO-L-EMA2
  • Not recommended for applications requiring an API GL-5 or GL-4 gear oil.

Mixing AMSOIL Metric 10W-40 Synthetic Motorcycle Oil With Other Brands

AMSOIL Metric Synthetic 10W-40 Motorcycle Oil is compatible with all other brands of conventional, semi-synthetic and synthetic motorcycle engine oils. While you can safely mix AMSOIL Synthetic Oil with other brands, this will reduce the drain interval and performance capabilities of AMSOIL oil.

The use of any aftermarket oil additives is definitely NOT recommended.

Service Life for AMSOIL Metric Synthetic 10W-40 Motorcycle Oil

  • Capable of service life of up to twice the oil change interval as suggested by your owner’s manual or one full year (whichever comes first) in motorcycle engines and transmissions.
  • When using any engine oil filter other than an AMSOIL Ea Motorcycle Oil Filter, change the oil filter at the manufacturer’s recommended service interval. AMSOIL Ea Motorcycle Oil Filters are designed with the capability of staying in service for the duration of the maximum drain interval of AMSOIL Metric Synthetic 10W-40 Motorcycle Oil.
  • Off-road service: change AMSOIL Metric Synthetic 10W-40 Motorcycle Oil at the motorcycle manufacturers’ suggested service intervals.
  • Racing service or modified engines: extended oil drain service intervals are not recommended.
  • When mixing other motorcycle oil brands with AMSOIL, revert to the manufacturer’s recommended service interval.

Specifications

SAE 10W-40 Metric Synthetic Motorcycle Oil (MCF)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445) 14.6
Kinematic Viscosity @ 40°C, cSt (ASTM D-445) 91.2
Viscosity Index (ASTM D-2270) 165
Fire Point °C (°F) (ASTM D-92) 242 (468)
Flash Point °C (°F) (ASTM D-92) 230 (446)
Pour Point °C (°F) (ASTM D-97) -43 (-45)
High Temperature/High Shear Viscosity @ 150°C , 1.0 x 106 s-1 (ASTM D 4683), cP 4.7
Four Ball Wear Test (ASTM D-4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour), Scar in mm 0.37
Noack Volatility, % weight loss (g/100g) (ASTM D-5800) 7.2
Foam (ASTM D-892, Sequence I, II & III 0/20/0
Rust Test – Humidity Cabinet (ASTM D-1748) No Rust, PASS
Total Base Number 11.6