Manufacture and sales of motorcycles, scooters, electro-hybrid bicycles, boats, sail boats, personal watercrafts, pools, utility boats, fishing boats, outboard motors, diesel engines, 4-wheel ATVs, side-by-side vehicles, racing karts, golf cars, multi-purpose engines, generators, water pumps, snowmobiles, small-sized snow throwers, automobile engines, intelligent machinery, industrial-use unmanned helicopters, electrical power units for wheelchairs, helmets. Biotechnological production, processing and sales of agricultural and marine products and microorganisms.

Yamaha Motor Co., Ltd. is a Japan-based manufacturing company. The Company operates in five business segments. The Two-wheel Vehicle segment manufactures and sells motorcycles and bicycles. The Marine segment manufactures and sells outboard engines, water vehicles, sailing boats, fishing boats and Japanese-style boats. The Special Machinery segment provides four-wheel buggies, side-by-side vehicles, snowmobiles, golf carts, power generators and general engines. The Industrial Machinery and Robot segment mainly provides surface mounters. The Others segment provides automobile engines. As of December 31, 2011, the Company had 117 subsidiaries and 26 associated companies.