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AMSOIL 10W-40 Synthetic Motorcycle Engine Oil
See Comparison Charts to Competitor's Oils Below! Amsoil is Unbeatable!
Motorcycle & ATV Oil Filter Lookup Guide:
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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; JASO MA
Product Code: (MCF)
Package sizes include:
1-Quart Bottles (case of 12)
Performance Synthetic Motorcycle Oils may be used in all four-cycle air-
and liquid-cooled gasoline motorcycle engines requiring any of the
API SJ, SH, SG, SF, CI-4, CH-4,
CG-4, CF-2, CF, CD
AMSOIL 20W-50 Synthetic Motorcycle Oil
Harley-Davidson, Buell, Victory, Ducati, BMW, Aprilla and Triumph
motorcycles calling for a 15W-50 or 20W-50 viscosity, providing superior
protection in engines, transmissions and primary chaincases.
AMSOIL 10W-40 Synthetic Motorcycle Oil (MCF) is recommended for Honda,
Kawasaki, Yamaha, Suzuki, BMW, Husqvarna and KTM motorcycles calling for
a 10W-40 or 20W-40 viscosity, providing superior protection in engines
Improved Transmission Protection
AMSOIL Synthetic Motorcycle Oils not only provide superior protection
for motorcycle engines, they also provide superior gear protection,
meeting API GL-1 gear lube viscosity requirements. AMSOIL Synthetic
10W-40 Motorcycle Oil (MCF) meets SAE 80W-90 gear lube requirements,
while AMSOIL Synthetic 20W-50 Motorcycle Oil (MCV) meets SAE 90 gear
lube viscosity requirements.
Viscosity is the most important characteristic of a lubricant.
Motorcycle gears create a shearing effect that causes permanent oil
viscosity loss. This thinning effect reduces the oil's ability to
prevent metal-to-metal contact and wear. The stability and natural
operating temperature ranges of the premium synthetic base stocks used
to formulate AMSOIL Synthetic Motorcycle Oils eliminate shear and reduce
wear. AMSOIL Synthetic Motorcycle Oils exhibit absolute shear stability
as measured by the Kurt Orbon shear stability test.
The high temperatures and tight tolerances common to motorcycle
applications also affect viscosity. The High Temperature/High Shear (HTHS)
Test (ASTM D-4683) measures a lubricant's viscosity under severe high
temperature and shear conditions. The more resistant an oil is to high
temperature viscosity loss, the better it protects, and even a HTHS
difference of 0.1 cP makes a significant difference.
AMSOIL Synthetic Motorcycle Oils exhibit higher HTHS viscosities than
competing conventional and synthetic motorcycle oils. As seen in the
graphs, AMSOIL Synthetic 20W-50 and 10W-40 Motorcycle Oils displayed the
highest High Temperature/High Shear viscosities in their respective test
groups, providing motorcycle engines and transmissions operating in the
harshest conditions with superior protection against wear and viscosity
loss and eliminating the need for separate gear case oils as recommended
by some competitors. Synthetic 10W-40 may also be used in two-cycle
Excellent Wet Clutch Performance
Many motorcycles utilize a clutch that is immersed in the motor oil. The
friction modifiers present in many automotive motor oils and the extreme
pressure additives present in EP gear lubricants produce a low
coefficient of friction between the clutch discs and plates, resulting
in clutch slippage and glazing. Slippage leads to increased operating
temperatures and reduced clutch life. AMSOIL Synthetic Motorcycle Oils
are formulated without friction modifiers, providing positive clutch
engagement, longer equipment life and reduced temperatures. AMSOIL
Synthetic Motorcycle Oils meet the clutch compatibility requirements
mandated by JASO MA.
FZG Gear Test (ASTM D-5182)
AMSOIL 10W-40 (MCF)
FZG Gear Test (ASTM D-5182)
Motul 300 V 10W-40
Outstanding Heat Resistance
Excellent Corrosion Protection
Most motorcycles spend the majority of their lives either parked or in storage, but most motorcycle oils fail to address corrosion problems. Corrosion protection during storage and in humid conditions is essential to extending equipment life. AMSOIL Synthetic Motorcycle Oils are formulated with specialized additive technology that not only protect against corrosion and acids during operation, but also provide exceptional protection during storage. The ASTM D-1748 Rust Test measures a lubricant's ability to protect against rust and corrosion. A standard metal reference coupon is immersed in the test oil before being placed in a humidity cabinet for 24 hours at 120 degrees F. As seen in the photos, the reference coupon treated with AMSOIL 20W-50 Synthetic Motorcycle Oil showed no signs of rust and corrosion, while the competitor failed the test.
Rust Test ASTM D-1748 Castrol GPS 10W-40
Rust Test ASTM D-1748 AMSOIL 10W-40 (MCF)
Motorcycles operate in demanding, high heat conditions that require robust high temperature deposit control additives. While many conventional oils break down and oxidize when faced with high temperatures, causing formation of carbon and sludge deposits, AMSOIL Synthetic Motorcycle Oils effectively withstand oil break-down and oxidation, keeping equipment running cooler and minimizing oil consumption, thickening and emissions. Air-cooled engines get especially hot while idling in traffic, commonly reaching temperatures up to 240 degrees Fahrenheit. The extra margin of protection provided by AMSOIL Synthetic Motorcycle Oils is especially important for hot running air cooled motorcycle engines.
High engine speeds and transmission gears in motorcycles churn the oil, suspending air and causing foam. When this oil and air mixture is drawn into a loaded area, the air compresses and decreases the thickness of the oil film, compromising wear protection. In addition, suspended air promotes oil oxidation, reducing its service life. AMSOIL Synthetic Motorcycle Oils greatly reduce foaming to provide long term lubricating protection in high speed, high RPM conditions.
Robust Additive Levels
Recent automotive motor oil regulations have limited certain additive levels, including the anti-wear additive known as ZDDP. ZDDP is an extremely effective anti-wear, anti-oxidant additive, and reducing its level results in compromised wear control and shortened service life. Because motorcycle applications require robust additive systems to control wear and oxidation, use of an automotive motor oil or an automotive motor oil re-labeled as a motorcycle oil compromises protection and performance. AMSOIL Synthetic Motorcycle Oils are overtreated with robust additive packages, including high levels of calcium, phosphorus, zinc and additional oxidation inhibitors, to extend oil life expectancy, provide unmatched engine cleanliness and greatly reduce wear.
AMSOIL Synthetic Motorcycle Oils are recommended for twice the manufacturer's recommended drain interval for on-road motorcycles.
The Four Ball Wear Test (ASTM D-4172) determines the wear protection properties of a lubricant. The smaller the average wear scar, the better the wear protection provided by the lubricant. AMSOIL Synthetic Motorcycle Oils produce significantly smaller wear scars than competing motorcycle oils, providing unsurpassed protection against engine wear, reducing maintenance costs and extending equipment life.
AMSOIL Synthetic Motorcycle Oils provide excellent cost effectiveness and
are cost competitive with competing high end motorcycle oils. The unmatched
protection and performance provided by AMSOIL Synthetic Motorcycle Oils is
excellent insurance for today's expensive motorcycles and custom bikes.
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®, KTM® and other motorcycles where 10W-40 or 20W-40 engine oils or SAE 80W/90, GL-1 gear oils are used. Not recommended for shaft drive hypoid gears or where an API GL-4 or GL-5 gear oil is required.
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.
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)
Kinematic Viscosity @ 40°C, cSt (ASTM
Viscosity Index (ASTM D-2270)
CCS Viscosity (ASTM D2602)
|6794 @ -25°C
Pour Point °C (°F) (ASTM D 97)
|Flash Point °C (°F) (ASTM D
|High Temperature/High Shear
Viscosity @ 150°C , 1.0 x 106 s-1 (ASTM D 4683),
|Four Ball Wear Test (ASTM D
4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour, Scar in mm)
Noack Volatility, % weight loss (g/100g)
Total Base Number
Foam (ASTM D-892, Sequence I, II & III
Interested in becoming an AMSOIL Dealer?
Knowledge is Power! We have set up
a plan to help you excel in your own AMSOIL Dealership. This is exclusive to dealers
in our group only! With effort and the information we provide, you should be well
on your way to creating a successful business. We have the knowledge base to help
you succeed! We are the largest group in AMSOIL consisting of OEM Engineers, Designers
and lubricant specialists. We are confident that our experience will provide an
excellent source of knowledge and information while building your dealership or
using AMSOIL synthetic products in your vehicles / equipment. AMSOIL has the warehouses,
manufacturing, distribution systems and marketing plan already in place! All you
have to do is use the tools offered and develop your own personal group of AMSOIL
Dealers. AMSOIL is an excellent company to represent and the synthetic products
are the best there is, period!
For the Last
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An AMSOIL Dealership is
the ideal start-up opportunity for those
who want to own their own business. AMSOIL
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Premium Quality Product Line
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When you become a Dealer with our group
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AMSOIL Synthetics Dust the Competition!
We possess the skills, desire and knowledge to answer questions, solve problems,
improve efficiency, reduce downtime, maintenance costs and increase the durability
and life of all of your vehicles and equipment. We do business nationwide and Canada.
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