K&N Engineering RU-1780 Universal Round Air Filter for 1981-1982 Honda ATC250R

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. When used as a replacement for the OEM air filter, modifications to the jetting may be required. Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable. Associated products: 25-1770 Air Filter Foam Wrap, RU-0510PK Air Filter Wrap, RU-0510PL Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol

• NO-HASSLE WARRANTY: 1-Year Limited Warranty
• One Year Limited Warranty

The K&N Engineering RU-1780 Universal Air Filter is designed for applications requiring dependable air filtration and flexible installation. This round, straight-style filter features an angled flange that helps accommodate air intake layouts with offset or angled connections. Its pliable rubber flange absorbs vibration, provides a secure attachment, and can stretch slightly to help fit air intake connections between standard sizes.

The washable and reusable filter design offers a practical alternative to disposable replacement filters and can support long-term service when properly cleaned and maintained with the appropriate K&N filter care products. When installed as a replacement for the original equipment air filter, carburetor jetting adjustments may be required. The RU-1780 fits the 1981 and 1982 Honda ATC250R and is intended for automotive and powersports applications where the intake configuration matches the filter design.

Key Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: RU-1780
• Filter Type: Universal air filter
• Shape: Round
• Flange Style: Angled flange
• Filter Construction: Washable and reusable
• Application: Automotive and powersports air intake systems
• Warranty: One-year limited warranty

What's Included

• One K&N Engineering RU-1780 universal air filter

Fitment: 1981 Honda ATC250R; 1982 Honda ATC250R. Associated products include the K&N 25-1770 Air Filter Foam Wrap, RU-0510PK Air Filter Wrap, RU-0510PL Air Filter Wrap, and 99-5000 Filter Care Service Kit Aerosol. This product is not CARB approved. California buyers should review applicable emissions regulations before purchase. A California Proposition 65 warning applies.

Features:

• Universal Fit: Designed for a wide variety of air intake applications, including powersports, racing, generators, tractors, snowmobiles, and other equipment.
• Angled Flange: The angled flange helps accommodate air intake systems with offset or non-straight connection points.
• Vibration-Resistant Attachment: The molded pliable rubber flange absorbs vibration and supports a secure connection to the intake.
• Washable and Reusable: Cleanable filter construction helps provide extended service life compared with disposable air filters.

Fitments:
1981 Honda ATC250R Base
1982 Honda ATC250R Base

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