2004 Kawasaki KVF750 4x4, Service Manual., Page 35Get this manual
PERIODIC MAINTENANCE 2-17 Periodic Maintenance Procedures
Air Cleaner Element Cleaning and Inspection NOTE
In dusty areas, the element should be cleaned more frequently than the recommended intervalAfter riding through rain or muddy terrains, the element should be cleaned immediatelyAlso, if there is break in the element material or any other damage to the element, replace the element with new oneWARNING
Clean the element in well-ventilated area, and take care that there are no sparks or flame anywhere near the working area; this includes any appliance with pilot lightBecause of the danger of highly flammable liquids, do not use gasoline or low-flash point solvent to clean the foam element