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Unsurpassed Protection for Scooter Engines, Transmissions and Gear Boxes. AMSOIL Formula 4-Stroke® 10W-40 Synthetic Scooter Oil (ASO) is formulated specifically to meet the special needs of today’s high-tech air- and water-cooled fourstroke motorized scooters, offering unsurpassed wear protection and friction reduction for longer equipment life and cooler operating temperatures. Its exceptional shear stability ensures consistent viscosity protection and provides additional protection for transmissions and gear boxes, while its friction modifier-free formulation ensures wet clutch compatibility and smooth clutch operation. A special anti-corrosion additive package provides long-term protection during periods of inactivity and storage.
PRODUCT DESCRIPTION
AMSOIL Formula 4-Stroke® 10W-40 Synthetic Scooter Oil (ASO) is formulated
specifically to meet the special needs of today’s high-tech air- and
water-cooled fourstroke motorized scooters, offering unsurpassed wear protection
and friction reduction for longer equipment life and cooler operating temperatures.
Its exceptional shear stability ensures consistent viscosity protection and
provides additional protection for transmissions and gear boxes, while its
friction modifier-free formulation ensures wet clutch compatibility and smooth
clutch operation. A special anti-corrosion additive package provides long-term
protection during periods of inactivity and storage.
Shear Stability
High engine rpms common to scooter applications increase shear, causing conventional
lubricants to lose viscosity and reduce their ability to control wear, resulting
in shorter engine life. The synthetic formulation of Formula 4-Stroke Synthetic
Scooter Oil effectively resists shear, delivering consistent viscosity protection
for unsurpassed wear protection and extended equipment life.
Thermal Stability
The operating temperatures of scooter engines fluctuate greatly, especially
with air-cooled engines. Formula 4-Stroke Synthetic Scooter Oil resists breakdown
at elevated temperatures, maintaining its protective viscosity for maximum
wear control.
Transmission and Gear Box Compatibility
In many scooter applications, the engine and transmission and/or gear box share
the same oil reservoir. Formula 4-Stroke Synthetic Scooter Oil is absolutely
shear stable and will not thin out from mechanical activity, providing superior
protection for transmissions and gear boxes.
Wet Clutch Compatibility
Some scooters utilize a frictional clutch to engage and disengage the engine
from the drivetrain. In many cases, this clutch is immersed in the same oil
used in the engine and transmission. Formula 4-Stroke Synthetic Scooter Oil
contains no friction modifiers and is wet clutch compatible, offering smooth
clutch operation and increased clutch life.
Rust and Corrosion Protection
Scooters are often subjected to extended periods of inactivity and storage,
exposing the equipment to internal rust and corrosion. Formula 4-Stroke Synthetic
Scooter Oil is formulated with a special anti-corrosion additive package
designed to provide long-term protection during periods of inactivity and
storage.
Applications and Recommendations
AMSOIL Formula 4-Stroke Synthetic Scooter Oil is recommended for use wherever
SAE 10W-40 motor oil is specified in air- and watercooled four-stroke motorized
scooter engines, transmissions and gear boxes that require the following:
- API SG, SL/CF
- JASO MA/MA2 (motorcycle wet clutch)
Engine manufacturers include, but are not limited to, Honda,
Kawasaki, Suzuki, Yamaha, Vespa, Aprilia, Piaggio, Benelli, Vento, Kymco, Tank
and TGB.
Service Life
Follow the equipment manufacturer’s recommended drain intervals.
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