Amsoil Authorized Dealer
Jari P Marjanen
AMSOIL Authorized Dealer Arizona
Jari P Marjanen
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AMSOIL Formula 4-Stroke Synthetic Scooter Oil

AMSOIL Formula 4-Stroke Synthetic Scooter Oil
AMSOIL Formula 4-Stroke Synthetic Scooter Oil
Product Details
Meets the needs of today's high-tech air- and water-cooled four-stroke motorized scooters. Unsurpassed wear protection and friction reduction for longer equipment life. Protects transmissions and gear boxes. Wet-clutch compatible to insure smooth clutch operation. Provides long-term protection during storage.
Product Description
AMSOIL Formula 4-Stroke 10W-40 Synthetic Scooter Oil is formulated specifically to meet the special needs of today’s high-tech air- and water-cooled four-stroke motorized scooters, offering outstanding wear protection and friction reduction for longer equipment life and cooler operating temperatures. Its exceptional shear stability provides consistent viscosity protection and additional protection for transmissions and gearboxes, 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 rpm common to scooter applications increases 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 outstanding wear protection and extended equipment life.

Thermal Stability
Scooter engine operating temperatures fluctuate greatly, especially in 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 gearbox share the same oil reservoir. Formula 4-Stroke Synthetic Scooter Oil is shear stable and resists thinning from mechanical activity, providing superior protection for transmissions and gearboxes.

Wet-Clutch Compatibility
Some scooters employ 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 is wet-clutch compatible. It contains no friction modifiers, 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.

- Protects against wear
- Resists shear for excellent gear protection
- Delivers smooth clutch operation

Applications and Recommendations
Use wherever SAE 10W-40 motor oil is specified in air-and water-cooled four-stroke motorized scooter engines, transmissions and gearboxes recommended for any of the specifications below, including those made by Honda*, Kawasaki*, Suzuki,* Yamaha*, Vespa*, Aprilia*, Piaggio*, Benelli*, Vento*, Kymco*, Tank* and TGB*.

- API SG, SL/CF
- JASO MA/MA2 (motorcycle wet clutch)
- ISO-L-EMA2

Service Life
Follow the equipment manufacturer's recommended drain intervals.

Compatibility
AMSOIL Formula 4-Stroke Synthetic Scooter Oil is compatible with other synthetic and conventional motor oils. Mixing AMSOIL motor oil with other oils, however, will shorten the oil's life expectancy and reduce its performance benefits. AMSOIL does not support extended drain intervals where oils have been mixed.

Aftermarket oil additives are not recommended for use with AMSOIL motor oils.
Product Size
Code Package Size Unit of Measure Product
ASOQT (ASOQT-EA) Quart Each Formula 4-Stroke Synthetic Scooter Oil
ASOQT (ASOQT-CA) Quart Case of 12 Formula 4-Stroke Synthetic Scooter Oil
Technical Information
Extra Information
What is the difference between Formula 4-Stroke® 10W-40 Synthetic Scooter Oil and 10W-40 Synthetic Motorcycle Oil?  
Answer: AMSOIL 10W-40 Synthetic Metric Motorcycle Oil contains a robust additive package designed for the extreme pressures and high temperatures common in motorcycle applications. Its high TBN retention also makes it the appropriate choice for extended drain intervals. In scooter applications, Formula 4-Stroke 10W-40 Synthetic Scooter Oil is the more economical choice.
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AMSOIL DEALER - Jari P Marjanen  - Phoenix, Arizona 85032
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