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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
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).
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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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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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.
See
specific service life notes
for Harley Davidson
Motorcycles
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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) |
20.56 |
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Kinematic
Viscosity @
40°C, cSt
(ASTM D-445) |
152.0 |
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Viscosity
Index (ASTM
D-2270) |
161 |
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Pour Point
°C (°F)
(ASTM D-97) |
-39 (-38) |
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Flash Point
°C (°F)
(ASTM D-92) |
240 (464) |
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High
Temperature/High
Shear
Viscosity @
150°C , 1.0
x 106
s-1
(ASTM D
4683), cP |
6.02 |
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Four Ball
Wear Test
(ASTM D-4172
@ 40 kgf,
150°C, 1800
rpm, 1
hour), Scar
in mm |
0.37 |
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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) |
3.89 |
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Foam (ASTM
D-892,
Sequence I,
II & III) |
0/0/0 |
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Shear
Stability
Kurt Orbahn
(ASTM
D-6278), %
viscosity
change 120
cycles |
0.25 |
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Rust Test -
Humidity
Cabinet
(ASTM
D-1748)
|
No Rust,
Pass
|
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Total Base
Number |
11.1 |
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T's Advanced Synthetics
Greg and Marcy Thurman
Your Nationwide
AMSOIL
Authorized Independent
Dealer
Nationwide US Warehouses,
Canada and Palm Harbor, FL
727-798-8552
E-Mail:
greg@tsadvancedsynthetics.com
If you
experience problems or have questions or comments about
our website please email us at
greg@tsadvancedsynthetics.com
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