Quicksilver 15W-50 Full Synthetic Motorcycle Oil, 1 Quart

Quicksilver 15W-50 Full Synthetic Motorcycle Oil is a high-performance, wet-clutch–compatible lubricant engineered for 4-stroke motorcycles and scooters to protect engines at high RPM and high temperatures.

Designed for sport, dual-sport, off-road and other high-revving 4-stroke engines, this 1-quart bottle of Quicksilver 15W-50 full synthetic oil balances wear protection, thermal stability and clutch compatibility. It meets modern API and JASO benchmarks so it can be used where manufacturers require SN and JASO MA/MA2 specifications without voiding warranties. The formulation focuses on reducing oxidation and volatility while offering corrosion resistance and shear stability under stress.

How does this oil protect high-revving motorcycle engines?

The full synthetic base and additive package provide a stable oil film under high RPM and elevated temperatures, which helps limit metal-to-metal contact and wear. Improved shear stability preserves viscosity under severe loads, keeping engine clearances properly protected during aggressive riding.

• Formulated for high RPM operation to maintain oil film strength
• Resists oxidation to reduce sludge and deposit formation
• Shear-stable viscosity to protect bearings and cams during sustained load

Will Quicksilver 15W-50 work with my scooter or wet-clutch motorcycle?

This oil is wet-clutch compatible and specifically designed for 4-stroke motorcycles and scooters, including models that share engine and transmission oil. Its friction characteristics prevent clutch slippage while still providing the lubricating performance engines need.

• JASO MA/MA2 compliance ensures proper friction behavior for wet clutches
• Suitable for shared-engine/transmission systems in many scooters and bikes
• Maintains consistent performance across a wide temperature range

How does it stand up to heat, corrosion and oil consumption concerns?

Quicksilver 15W-50 uses additives that resist thermal breakdown and oxidation, which reduces deposit buildup and extends oil life. Corrosion inhibitors protect internal metal surfaces, and low volatility minimizes oil loss during prolonged high-temperature operation.

• Enhanced corrosion protection for longer component life
• Lower volatility to reduce top-off frequency and oil consumption
• Thermally stable formulation for sustained high-temperature durability

What performance standards and warranty considerations should I know?

This oil meets or exceeds API SN and JASO MA/MA2 specifications, aligning with many manufacturers' requirements. Using the product in recommended applications will not void manufacturer warranties when those specs are called for.

• API SN rated for modern engine protection
• JASO MA/MA2 for wet clutch compatibility
• Formulated to meet or exceed common OEM recommendations

Who is this for: Quicksilver 15W-50 Full Synthetic Motorcycle Oil is aimed at owners and riders of 4-stroke motorcycles and scooters who demand reliable protection under high-rev and high-temperature conditions. It’s a practical choice for sportbike riders, dual-sport and off-road enthusiasts, commuters using scooters with shared engine/transmission oil systems, and anyone wanting a full synthetic oil that balances wear protection, clutch compatibility and thermal stability in a single 1-quart package.

Package includes: 1 quart bottle of Quicksilver 15W-50 Full Synthetic Motorcycle Oil.

Key features:

• The wet clutch compatible formula prevents clutch slippage
• High rpm protection, while maintaining optimum horsepower
• Formulated specifically to address high temperatures, shearing stability, enhanced corrosion protection, and lower volatility reducing oil consumption
• For use in 4-stroke motorcycles and scooters including sport, dual sport, off-road bikes, and high-revving engines