K&N High Flow Air Filter for BMW R65LS Motorcycle - Street
K&N High Flow Air Filter for BMW R65LS Motorcycle - Street
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Description
K&N Powersports High-Flow Air Filter
Upgrade your machine’s performance with a K&N High-Flow Powersports Air Filter. Designed to increase airflow while providing superior filtration, these premium reusable filters help your engine breathe better for improved horsepower, throttle response, and overall performance.
Built with oiled cotton gauze media, K&N filters capture dirt and debris while allowing more air to reach the engine compared to traditional paper filters. The result is better performance and long-term reliability for motorcycles, ATVs, UTVs, and other powersports machines.
Unlike disposable filters, K&N air filters are washable and reusable, helping reduce maintenance costs over time. With proper cleaning and oiling, one filter can last for the life of your vehicle.
Key Features
High-flow design improves airflow and engine performance
Superior filtration protects your engine from dirt and debris
Washable and reusable for long-term value
Durable oiled cotton gauze construction
Direct OEM replacement for easy installation
Designed specifically for motorcycles, ATVs, UTVs, and other powersports applications
Why Choose K&N?
K&N is a global leader in high-performance filtration, trusted by riders and racers worldwide. Their powersports air filters are engineered to deliver maximum airflow without sacrificing engine protection, helping you get the most out of your ride.
Technical Specifications
- MFG. Part Number DU-9001
Vehicle Information
BMW R65LS Motorcycle - Street (1981-1985)
The BMW R65LS, produced from 1981 to 1985, was a sporty and distinctive variant of the standard R65 model. Positioned as a performance-oriented option, it featured a 649.6 cc air-cooled flat-twin boxer engine, delivering 50 hp (37 kW) at 7,250 rpm and 52.3 Nm of torque at 6,500 rpm.
The 1981 model year marked a significant update for the R65 series, which also applied to the R65LS. Key enhancements included an increase in engine power from 45 hp to 50 hp, the introduction of electronic ignition, a lighter flywheel, Nikasil cylinder bores, and larger valves. Braking was improved with Brembo calipers, and the electrical system was relocated. The R65LS, designed by Hans Muth, stood out with its futuristic cockpit fairing, unique seat and tail fairing, exclusive color schemes like henna red, standard twin-disc front brakes, and Y-spoke cast wheels. Q: How can I ensure this product fits my BMW R65LS?
A: Please use the year and edition selector at the top of the page to confirm compatibility for your specific motorcycle.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | 1,000 km (initial), then every 7,500 km or annually | Change when engine is at operating temperature. For low annual mileage, change at least once a year. |
| Spark Plugs | Every 7,500 km | May be done every two years for low mileage. Recommended spark plugs: Bosch W 7 DC or Champion N 7 Y, electrode gap of 0.6 + 0.1 mm. |
| Air Filter | Every 7,500 km | Clean more frequently in dusty conditions and renew if contaminated. Another source indicates a lifespan of up to 48,000 km. |
| Brake Fluid | At least once a year | Some recommendations suggest every two years. |
| Gearbox Oil, Rear Wheel Drive Oil, and Telescopic Forks Oil | At least once a year | For low annual mileage, may be done every other year. |
| Valve Clearances | At each service | Check and adjust. For low annual mileage, may be done during annual engine oil change. |
| Battery Acid Level | Every 3 months | |
| Clutch and Brake Systems | At each service | Check operation, fluid levels, and wear on pads/discs. |
| Lubrication | At each service | Grease clutch cable nipple and side stand pivot. |
| General Inspection | At each service | Includes checking tire condition and pressure, lights, signal systems, instruments, and engine idle speed. |
| Infrequent Items (bearings, splines) | Every 5 years (low mileage) | Clean and re-grease wheel bearings, head bearings, gearbox spline lube, and rear wheel spline lube. |