Install air filter before running engine. Failure to do so can draw debris into the engine and could result in engine damage. (00207a)
See Figure 1. Remove air box cover and air cleaner cover and inspect filter element at proper mileage intervals. Refer to Maintenance Scheduling → Regular Service Intervals: Buell Models → Regular Service Intervals: 2005 XB Models. Inspect more often under dusty conditions. See a Buell dealer or service manual for more information.
Figure 1. Air Cleaner Filter Element: Firebolt Models