K & N Clamp-On Air Filter - 57 mm RC-1250 Honda Horizontal Pullover Hoodie The bearing placement is critical

The bearing placement is critical to keep the proper distance (air gap) from the rear wheel trigger ring and the rear speed sensor

Stock @ IDLE 78

oversized with a thickness of 19 mm

2020 + owners will need to custom order by call in to have the front 02 sensors added to this model

K & N Clamp-On Air Filter - 57 mm RC-1250 Honda Horizontal Pullover Hoodie The bearing placement is criticalK&N universal air filters come in three styles round straight, oval tapered and round tapered All clamp directly to the carburetor throat, replacing the stock airbox and filter element Match the o. d. of your carb throat with the i. d. of the filter