K&N KN-177 Motorcycle Oil Filter – High-Performance, Wrench-Off Nut, Buell Compatibility

Premium filtration for powersports engines

Riders who crave dependable filtration know that clean oil is key to a smoother ride and longer engine life. The K&N KN-177 motorcycle oil filter is engineered to work with synthetic, conventional, and blended oils, including high-concentration synthetic racing blends. Built for continuous filtration and robust endurance, it aims to keep oil clean under a wide range of riding conditions—from urban commutes to spirited canyon routes and long highway stints.

What makes the KN-177 stand out

The KN-177 uses a sophisticated synthetic-blend filtration media designed to remove most common contaminants while maintaining a steady flow of oil. This balance helps support consistent lubrication at high speeds and during demanding sessions. The heavy-duty canister is paired with a welded 17mm hex nut for straightforward, tool-assisted removal, helping reduce service time without sacrificing security.

• EXCEPTIONAL FLOW: High-flow design helps maintain a steady oil supply to the engine.
• CONTAMINANT PROTECTION: Filtration media reduces harmful particles that can accumulate over time.
• PROVEN DURABILITY: Laboratory testing confirms reliable capacity and burst strength.
• OIL-TYPE FLEXIBILITY: Compatible with synthetic, conventional, and blended oils.
• EASY MAINTENANCE: 17mm welded hex nut enables quick, wrench-off filter changes.

Durability, compatibility, and real-world use

The KN-177 is designed to withstand the service intervals recommended by vehicle manufacturers, even under demanding riding conditions. This translates to a sturdy filter that can accompany you through varied climates and ride styles, while maintaining a steady flow of clean oil. The product is particularly suited for Buell models listed in its compatibility range, helping riders keep maintenance predictable and straightforward.

• BUELL MODEL FIT: Specifically designed to fit select Buell motorcycles from the stated years.
• VERSATILE OIL COMPATIBILITY: Works with all major oil types without requiring changes to your routine.
• MAINTENANCE EASE: Quick filter removal supported by a robust wrench-off nut.

Warranty and confidence: K&N backs the KN-177 with a 1-Year Limited Warranty, underscoring the brand’s commitment to quality. Actual performance will vary with riding style, climate, and maintenance practices, but this filter offers a practical option for riders seeking dependable filtration and straightforward service.