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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 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 exceptional
high-temperature film strength and contains a heavy
treatment of anti-wear additives to reduce wear regardless
of the
operating conditions. AMSOIL 20W-50 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 de-posits for superior engine cleanliness.
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).
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FZG Gear Test (ASTM D-5182)
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Pass Example: AMSOIL MCV
Passed Stage 13, Total Wear 0 mm
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Failure Example: Lucas High
Performance
Passed Stage 11, Failed Stage 12,
Total Wear in Stage 12, 160 mm
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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
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Pass Example:
AMSOIL MCV
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Fail Example
Castrol V-Twin
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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.

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.
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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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20.56 |
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Kinematic Viscosity @
40°C, cSt (ASTM D-445)
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152.0 |
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Viscosity Index (ASTM
D-2270)
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161 |
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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 |
0.37 |
| FZG (ASTM D-5182), Load
Stage Pass (Wear in mm) |
13 (0mm)
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Noack Volatility, %
weight loss (g/100g) (ASTM D-5800)
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3.89 |
| Foam (ASTM D-892, Sequence
I, II & III) |
0/0/0 |
| Shear Stability Kurt Orbahn
(ASTM D-6278), % viscosity change 120 cycles |
0.25 |
| Rust Test - Humidity
Cabinet (ASTM D-1748) |
No Rust,
Pass |
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Total Base Number
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11.1 |
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