Installation Manual

This filter fits: See Catalog For Current Applications
Congratulations, you have purchased the finest air filter that money can buy. With proper care, this filter will last
1 million miles or more. This filter can be used in a stock machine, with no modifications required. If any engine
modifications have been made tuning/jetting adjustments may be required. There are special installation
instructions, so please follow the procedures outlined below to ensure the K&N Air Filter seals properly.
INSTALLATION INSTRUCTIONS
Part Number E-3226 And E-3971
• 1455 CITRUS ST., P.O. BOX 1329, RIVERSIDE, CA., U.S.A. 92502 • TECH SERVICE 800-858-3333 • FAX [phone]
• e-mail: [e-mail] • WWW: http://www.knfilters.com
17160b
09/18/07
THESE INSTRUCTIONS MUST BE FOLLOWED EVERY TIME THE FILTER IS SERVICED,
OTHERWISE THE FILTER MAY NOT SEAL, AND DAMAGE TO THE ENGINE COULD
RESULT.
1. Remove the base plate from the carburetor.
2. Use a die grinder or a file and remove the small “ear” on the base plate. (Fig. 1)
3. Reinstall the base plate.
4. Apply the provided K&N Sealing Grease to both sealing surfaces of the K&N Air Filter.
5. Install the K&N Air Filter onto the base plate.
6. Reinstall the top plate and tighten the screws.
INSTALLATION
This ear must be removed
for proper sealing
Before
After
Fig. 1