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AMSOIL
Recommended Oils For Harley Davidson Motorcycles
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®, Victory®, 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 for shaft drive hypoid gears or where an API GL-4 or GL-5 gear oil
is required.
PRODUCT DESCRIPTION
AMSOIL Synthetic 20W-50 Motorcycle Oil (MCV) is a premium oil designed for
those who demand the absolute best lubrication for their motorcycles. AMSOIL
MCV is the result of extensive research, and it is specially formulated to
excel in all areas unique to motorcycles, including high temperatures of
air-cooled engines such as Harley Davidson® V-Twin, wet clutch lubrication,
extreme pressure 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 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 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.
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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
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 photos below).
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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).
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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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Provides Excellent Wet Clutch Performance
AMSOIL MCV contains no friction modifiers and promotes smooth shifting and
positive clutch engagement. AMSOIL MCV controls heat and prevents slippage and
glazing, and its high TBN resists acids that can degrade clutch material,
helping improve clutch life.
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
For “on road” use in engines, transmissions and primary chaincases, change
AMSOIL MCV 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, transmissions and primary
chaincases, change AMSOIL MCV 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.
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TYPICAL TECHNICAL PROPERTIES
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SAE 20W-50 Synthetic Motorcycle Oil (MCV)
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Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
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20.1 |
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Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
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151.98 |
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Viscosity Index (ASTM D-2270)
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153 |
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CCS Viscosity (ASTM D2602)
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5609 @ -15°C |
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Pour Point °C (°F) (ASTM D-97)
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-39 (-38) |
| Flash Point °C (°F) (ASTM D-92) |
240 (464) |
| High Temperature/High Shear Viscosity @ 150°C , 1.0 x 106 s-1
(ASTM D 4683), cP |
6.02 |
| Four Ball Wear Test (ASTM D-4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour), Scar in mm |
0.40 |
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Noack Volatility, % weight loss (g/100g) (ASTM D-5800)
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3.89 |
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Total Base Number
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11 |
| Foam (ASTM D-892, Sequence I, II & III)
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0/0/0
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