The Original Synthetic Oil
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SAE 20W-50 Synthetic Motorcycle Oil (MCV) High Performance Lubricant for Engines, Transmissions and Primary Chaincases
API SG, SL/CF; JASO MA/MA2; API GL-1
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Package sizes include:
1-Quart Bottles (case of 12)
1-Gallon Bottle
1-Gallon Bottles (case of 4)
30-Gallon Drum
55-Gallon Drum
PRODUCT DESCRIPTION
AMSOIL Synthetic 20W-50 Motorcycle Oil (MCV) is a premium oil designed for those who demand
and it is specially formulated to excel in all areas unique to motorcycles, including high temperatures
regions of gears and chains and rust common to short trips and storage.
AMSOIL MCV is multi-functional and fulfills the requirements of both domestic and foreign
motorcycles. It outperforms other conventional and synthetic motorcycle oil.
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 on reverse). AMSOIL MCV 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.
20W-50 Motorcycle Oil High Temperature Viscosity Protection Higher values reflect better film strength ASTM Test Method D-4683 March 16, 2005
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20W-50 Motorcycle Oil Wear Comparison ASTM Test Method D-4172 March 16, 2005
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Provides Extreme Pressure Quality Protection for Gears and Chains
With AMSOIL MCV, there is no need for separate transmission or primary chaincase lubricants. It is
absolutely shear stable and will not thin out from mechanical activity. AMSOIL MCV performs like a
gear lube without the negative effects of extreme pressure additives. In the FZG gear test, AMSOIL
MCV achieved a perfect score with a “zero” wear rating (see photo below).
FZG Gear Test (ASTM D-5182) AMSOIL 20W-50 (MCV)
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FZG Gear Test (ASTM D-5182) Motul 300V 15W-50
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Delivers Superior Rust Protection
Motorcycles are prone to rust from storage, humidity and short drives. Rust can cause major damage
such as roller bearing failure, 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
MCV 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 20W-50 (MCV)
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Rust Test ASTM D-1748 Castrol GPS 20W-50
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AMSOIL MCV contains no friction modifiers and promotes smooth shifting and positive clutch acids that
can degrade clutch material, helping improve clutch life.
APPLICATIONS
AMSOIL Synthetic 20W-50 Motorcycle Oil is recommended for air or liquid cooled 4-stroke engines. It
meets SAE 90, API GL-1 gear oil requirements and is recommended for transmissions and primary
chaincases. AMSOIL MCV is recommended for Harley Davidson®, Buell®, KTM, Ducati®, Aprilia®,
BMW®, Triumph® and other motorcycles where 15W-50 or 20W-50 engine oils or SAE 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 20W-50 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
Recommended for use up to twice the motorcycle manufacturer change interval (miles/hours) or one
year, whichever comes first, in engines, transmissions and primary chaincases. For Big Twin Harley-
Davidson transmissions only, follow the Harley-Davidson recommended drain interval for synthetic oil
of up to 20,000 miles or one year, whichever comes first. When using an engine filter other than
AMSOIL Ea, change the filter at standard intervals.
For “off-road” use, change AMSOIL MCV at motorcycle manufacturer intervals.
Racing or modified engines are excluded from extended drain interval recommendations. Oil changes
are at the owner’s discretion.
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
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Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
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Viscosity Index (ASTM D-2270)
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Pour Point °C (°F) (ASTM D-97)
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Flash Point °C (°F) (ASTM D-92)
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Four Ball Wear Test (ASTM D-4172B: 40 kgf, 75°C, 1200 rpm, 1 hr), Scar, mm
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Noack Volatility, % weight loss (g/100g) (ASTM D-5800)
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High Temperature/High Shear Viscosity (ASTM D 4683 @ 150°C, 1.0 X 106 s.-1), cP
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Foam (ASTM D-892, Sequence I, II & III
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0/0/0
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Shear Stability Kurt Orbahn (ASTM D-6278), % viscosity change 120 cycles
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0.25
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Rust Test - Humidity Cabinet (ASTM D-1748)
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No Rust, Pass
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Total Base Number
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TYPICAL TECHNICAL PROPERTIES
SAE 20W-50 Synthetic Motorcycle Oil (MCV)
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Copyright 2008 All Service Oil All Rights Reserved
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AMSOIL Synthetic 20w-50 Motorcycle Oil
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