A=Working area / Angle

For Piaggio 2001-2002 X9 500

For Yamaha YFM 250 Big Bear 2007-2009

1991 GL1500SE A RADIATOR

Honda XR250L XR250R XR350R XR400R XR600L XR600R CRM250 Air Filter Cleaner BWM Mirrors A=Working area / AngleFEATURES: High Air Flow with Excellent Filtration. Environmentally Friendly. Designed to Increase Horsepower and Acceleration. Washable and Reusable. They offer bigger air flow, with almost 99% filtering efficiency. Lasts up to 50,000 miles before cleaning is required depending on driving conditions. Economical, a Will Last the Life of Your Automobile, Motorcycle, or ATV. This is a aftermarket part,not orignal part. Their drop in design means adding