Castrol Power1 4T 5W-40 Full Synthetic Motorcycle Oil 1 Quart (6-pack)
Full synthetic motorcycle oil for engine, clutch, and gearbox with Trizone tech. Improves shift smoothness and engine temperature management; praised for value and performance in varied conditions
Highlights
- Trizone protection
- Excellent shear stability
- Race-derived technology for acceleration
Pros
- Trizone protection for engine, clutch, and gearbox
- Race-derived tech for acceleration
- Excellent shear stability
- Good performance in hot and cold conditions
- Positive customer perception of value
Cons
- Customer notes focus on Harley Davidson V-twins
- Some emphasis on price point may imply value-driven perception
Best For
Features
- Utilizes Trizone technology to protect engine, clutch, and gearbox
- Race-derived formulation supports engine acceleration
- Designed for high-temperature air-cooled and water-cooled engine performance
- Excellent shear stability to prevent viscosity breakdown
- Exceeds API SL and JASO MA-2 specifications