Before applying, make sure to remove dirt, dust and grime so that filter is clean. Pour Motorbike Air Filter Oil into bucket or similar, then place filter into oil and make sure to work the oil into the foam part of filter (use proper hand protection). When filter is completely saturated, remove and let dry for 10-15 minutes. Only work in a well ventilated area. When working with Motorbike Air Filter Oil make sure that the area is well ventilated.