SAE 10W-40 Synthetic Motorcycle Oil (MCF)

AMSOIL Synthetic Motorcycle Oils have been reformulated with new high performance additive technology that provides even greater multi-functional benefits for the special requirements of motorcycle applications.

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SAE 10W-40 Synthetic Motorcycle Oil (MCF)
AMSOIL Synthetic Motorcycle Oils have been reformulated with new high performance additive technology that provides even greater multi-functional benefits for the special requirements of motorcycle applications. These independent and exclusive new AMSOIL formulations provide second-to-none viscosity protection for hot-running American and foreign motorcycle engines, transmissions and primary chaincases. Performance specifications include:API SG, SL/CF, CG-4; JASO MA/MA2; ISO-L-EMA2; API GL-1

High Performance Lubricant for Engines and Transmissions
See Pricing Information or Place an Order

Package sizes include:

1-Quart Bottle
1-Quart Bottles (case of 12)
1-Gallon Bottle
1-Gallon Bottles (case of 4)
30-Gallon Drum
55-Gallon Drum

G2156 - Motorcycle Oils White Paper (1MB PDF)

PRODUCT DESCRIPTION
AMSOIL Synthetic 10W-40 Motorcycle Oil (MCF) is a premium oil designed for those who demand the absolute best lubrication for their motorcycles. AMSOIL MCF is the result of extensive research, and it is specially formulated to excel in all areas unique to motorcycles, including high engine RPM, wet clutch lubrication, extreme pressure regions of gears and rust common to short drives and storage.

AMSOIL MCF is multi-functional and fulfills the requirements of both domestic and foreign motorcycles. It outperforms other conventional and synthetic motorcycle oils.

AMSOIL, the leader in synthetic lubrication, produced the world’s first API qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your motorcycle.

Reduces Friction, Heat and Wear
In high heat conditions, engine protection is not sacrificed with AMSOIL Synthetic Motorcycle Oil. It has the best high temperature film strength (see High Temperature Viscosity Protection graph below) of all oils tested and contains a heavy treatment of anti-wear additives to reduce wear regardless of the operating conditions (see Wear Comparison graph at right). AMSOIL 10W-40 Motorcycle Oil is thermally (heat) stable and contains maximum levels of oxidation inhibitor additives. It is extremely resistant to breakdown and engineered to prevent damaging sludge and carbon deposits for superior engine cleanliness.
10W-40 Motorcycle Oil
High Temperature Viscosity Protection
Higher values reflect better film strength
ASTM Test Method D-4683 Test Date August 2008

Provides Extreme Pressure Quality Protection for Gears
With AMSOIL Synthetic Motorcycle Oil, there is no need for separate transmission lubricants. It is absolutely shear stable and will not thin out from mechanical activity. AMSOIL MCF performs like a gear lube without the negative effects of extreme pressure additives. In the FZG gear test, AMSOIL MCF achieved a perfect score with a “zero” wear rating (see photo below).
FZG Gear Test (ASTM D-5182)
AMSOIL 10W-40 (MCF)

FZG Gear Test (ASTM D-5182)
Torco T-4SR
FZG Gear Test (ASTM D-5182) FZG Gear Test (ASTM D-5182)

Delivers Superior Rust Protection
Motorcycles are prone to rust from storage, humidity and short drives. Rust can cause major damage such as uncontrolled wear, compression loss and blow-by. Good rust protection, however, comes by design and is not natural to engine oils. Unlike many motorcycle oils, AMSOIL MCF contains special anti-rust agents. It passes the ASTM D-1748 humidity cabinet rust test and clearly demonstrates superior rust protection (see photos below).
Rust Test ASTM D-1748
AMSOIL 10W-40 (MCF)

Rust Test ASTM D-1748
Castrol RS R4 4T
Rust Test ASTM D-1748

Rust Test ASTM D-1748

Provides Excellent Wet Clutch Performance
AMSOIL Synthetic 10W-40 Motorcycle Oil contains no friction modifiers and promotes smooth shifting and positive clutch engagement. AMSOIL MCF controls heat and prevents slippage and glazing, helping improve clutch life. AMSOIL Synthetic 10W-40 Motorcycle Oil meets the wet clutch frictional requirements of JASO Standard T903: 2006, MA/MA2 and ISO-L-EMA2 of ISO Standard 24254:2007.

For irrefutable proof of the superiority of AMSOIL Synthetic Motor Oils refer to the AMSOIL A Study of Motorcycle Oils white paper (G2156).

APPLICATIONS
AMSOIL Synthetic 10W-40 Motorcycle Oil is recommended for liquid or air-cooled 4-stroke engines. It meets SAE 80W/90, API GL-1 gear oil requirements and is recommended for transmissions on both 4- and 2-stroke motorcycles. AMSOIL MCF is recommended for Honda®, Kawasaki®, Yamaha®, Suzuki®, BMW®, Husqvarna®, Victory® and other motorcycles where 10W-40 or 20W-40 engine oils or SAE 80W/90, GL-1 gear oils are used. Not recommended where an API GL-4 or GL-5 gear oil is required.

MIXING AMSOIL
AMSOIL Synthetic 10W-40 Motorcycle Oil is compatible with conventional and synthetic motor oils;
however, mixing oils may 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 motorcycle oil.

SERVICE LIFE
For “on-road” use in engines and transmissions, change AMSOIL MCF and AMSOIL engine oil filter at twice the motorcycle manufacturer change interval or one year, whichever comes first. Change other brand oil filters at standard intervals.

For “off-road” use in engines and transmissions, change AMSOIL MCF at the standard motorcycle manufacturer change interval.

For racing or in engines modified from the original factory design, no change interval recommendation is made. Oil changes are at the owner’s discretion.
TYPICAL TECHNICAL PROPERTIES
SAE 10W-40 Synthetic Motorcycle Oil (MCF)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445) 13.9
Kinematic Viscosity @ 40°C, cSt (ASTM D-445) 93.4
Viscosity Index (ASTM D-2270) 152
Pour Point °C (°F) (ASTM D-97) -46 (-51)
Flash Point °C (°F) (ASTM D-92) 234 (453)
High Temperature/High Shear Viscosity @ 150°C , 1.0 x 106 s-1 (ASTM D 4683), cP 4.5
Four Ball Wear Test (ASTM D-4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour), Scar in mm 0.40
FZG (ASTM D-5182), Load State Pass (Wear in mm) 13 (0 mm)
Noack Volatility, % weight loss (g/100g) (ASTM D-5800) 6.44
Foam (ASTM D-892, Sequence I, II & III 0/0/0
Shear Stability Kurt Orbahn (ASTM D-6278), % viscosity change 120 cycles 0.50
Rust Test - Humidity Cabinet (ASTM D-1748) No Rust, PASS
Total Base Number

Tags

MOTORCYCLE OIL, Oil Change, Synthetic, SAE 10W-40, motorcycle engines, High performance, premium oil, Viscosity Protection, gears, Honda