Japanese Big Four

The Japanese Big Four are the large motorcycle manufacturing companies of Japan: Honda, Kawasaki, Suzuki, and Yamaha.

Sources

• Pashley, Tony (2008), How to Build Motorcycle-engined Racing Cars, Veloce Publishing, ISBN 9781845841232, Competitive engines are manufactured by the big four Japanese companies: Honda, Kawasaki, Suzuki, and Yamaha.
• "Harley talks to Big Four, Looks to Triumph", Cycle World, 23 (1), January 1984, The enactment of the import tariff ... hasn't kept the two sides -- Harley-Davidson and Japan's Big Four manufacturers--from talking to each other... [Harley has] met with representatives of Honda, Yamaha, Suzuki and Kawasaki to discuss possible alternatives to the tariff.
• Zuehlke, Jeffrey (2007), Supercross, Motor Mania Series, Lerner Publishing Group, ISBN 978-0-8225-9014-9, retrieved 2016-10-18 {{citation}}: Invalid |ref=harv (help)