K&N Engineering HA-0502 High-Flow Replacement Air Filter for Honda CHF50 Metropolitan and NPS50 Ruckus

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride. The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Associated products: 99-5000 Filter Care Service Kit Aerosol

• PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).
• Pleated media provides a large filtration area offering long service intervals
• Multiple layers of woven cotton gauze media offers excellent filtration
• Designed to provide increased horsepower and torque
• Washable & reusable, pre-oiled and ready to ride
• Application specific base seal and sealing bead
• No-Hassle Lifetime Limited Warranty
• Made in the USA for over 40 years

The K&N Engineering HA-0502 High-Flow Air Filter is designed as a direct replacement for select Honda Metropolitan and Ruckus scooters. Its high-flow construction helps increase airflow to support improved horsepower, throttle response, and acceleration while providing dependable engine protection. The precision OEM-style fit uses application-specific sealing features for straightforward installation where applicable.

Built with multiple layers of premium woven cotton gauze, the washable and reusable filter provides effective filtration and a large pleated media area for extended service intervals. The HA-0502 arrives pre-oiled and ready to install, helping simplify maintenance and deliver consistent performance ride after ride. It is backed by K&N's No-Hassle Lifetime Limited Warranty and is made in the USA. For cleaning and re-oiling, use the associated K&N 99-5000 Filter Care Service Kit Aerosol.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: HA-0502
• Product Type: High-flow powersports replacement air filter
• Filter Media: Multiple layers of woven cotton gauze
• Construction: Pleated, washable, and reusable media
• Fitment Type: Precision OEM-style replacement fit
• Condition: Pre-oiled and ready to install
• Warranty: No-Hassle Lifetime Limited Warranty

What's Included

• One K&N Engineering HA-0502 replacement air filter

Fitment

Fits 2002-2006 Honda CHF50 Metropolitan, 2003-2005 Honda NPS50 Ruckus, and 2004-2005 Honda NPS50S Ruckus. Verify the vehicle application before installation.

Features:

• Precision OEM-style fit: Application-specific sealing beads and custom seals support easy installation where applicable.
• High-flow performance: Designed to increase airflow for improved horsepower, torque, throttle response, and acceleration.
• Washable and reusable: Durable cotton gauze media can be cleaned and re-oiled for long-term use.
• Engine protection: Multiple layers of woven cotton gauze provide effective filtration while the pleated design offers a large filtration area and extended service intervals.

Fitments:
2002 Honda CHF50 Metropolitan Base
2003 Honda CHF50 Metropolitan Base
2003 Honda NPS50 Ruckus Base
2004 Honda CHF50 Metropolitan Base
2004 Honda NPS50 Ruckus Base
2004 Honda NPS50S Ruckus Base
2005 Honda CHF50 Metropolitan Base
2005 Honda NPS50 Ruckus Base
2005 Honda NPS50S Ruckus Base
2006 Honda CHF50 Metropolitan Base
2006 Honda NPS50 Ruckus Base
2006 Honda NPS50S Ruckus Base
2007 Honda CHF50 Metropolitan Base
2007 Honda NPS50 Ruckus Base
2007 Honda NPS50S Ruckus Base
2008 Honda CHF50 Metropolitan Base
2008 Honda NPS50 Ruckus Base
2009 Honda CHF50 Metropolitan Base
2009 Honda NPS50 Ruckus Base
2010 Honda NPS50 Ruckus Base
2011 Honda NPS50 Ruckus Base
2012 Honda NPS50 Ruckus Base
2013 Honda NPS50 Ruckus Base
2014 Honda NPS50 Ruckus Base
2015 Honda NPS50 Ruckus Base
2016 Honda NPS50 Ruckus Base
2017 Honda NPS50 Ruckus Base
2018 Honda NPS50 Ruckus Base
2019 Honda NPS50 Ruckus Base
2020 Honda NPS50 Ruckus Base
2022 Honda NPS50 Ruckus Base
2023 Honda NPS50 Ruckus Base
2024 Honda NPS50 Ruckus Base
2025 Honda NPS50 Ruckus Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1