YZ400F Revolution
How Did the Yamaha YZ400F End the Era of 2-Stroke Motorcycles?

Discover how the Yamaha YZ400F transformed motocross by replacing 2-stroke bikes with its powerful 4-stroke engine and better emissions.

2-Stroke Outboards
Are 2-Stroke Outboards Still Available?

Discover which companies manufacture 2-stroke outboard motors and learn about their performance compared to 4-stroke alternatives.