making the snowmobiles more user-friendly. Both sleds are also engineered to be lightweight, using a 146-inch track and Yamaha Mountain skis to ensure stability and control. The 2-Up model ...

Applying the engine technologies it had developed for motorcycles, Yamaha Motor released its first snowmobile model, the SL350, in 1968 and its first model for recreational use in 1970. Since then, ...