Kawasaki KLR 600 A 1 1984. Kawasaki KLR 600 B 1 1985. Kawasaki KLR 600 B 2 1986. Kawasaki KLR 600 B 2 1987. Kawasaki KLR 600 B 4 1988. Kawasaki KLR 600 B 5 1989. Over 40 years ago, the sandy, gravelly soils of the Netherlands - and the resulting engine failures - proved that foam and paper filters gave riders airflow but failed to protect them.
