03-08 HONDA CRF450R: No Toil Air Box Wash Kit Keep water out of your engine and get your air box clean inside and out. The No-Toil Bike wash kit provides excellent protection from water with the Air Box Cover and Exhaust Plug. While the Air Box Cleaner makes sure to clean any and all grease, grime and gunk out of the inside of your air box. The No Toil Airbox Wash Kit includes: No-Toil Air Box Cover. The No-Toil Air Box Cover protects dirt, debris, liquids, and any cleaning agents from entering your air intake while cleaning your bike.