Wez's GSX1000 & XS1100E Humungus's lieutenant Wez drives an early 1980s model Suzuki GSX1000 motorbike in the film, and later is seen riding on a Yamaha XS1100E motorbike with a sidecar. Other Vehicles Most of the dune buggies used in the film were VW-based modified "sandrail" kitcars, with single-axle drive train