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Major Japan Manufacturing Facilities

Facility Kumamoto Factory

The Kumamoto Factory, located on the southern island of Kyushu, sits on the largest land site of any Honda plant in Japan — nearly 1.8 million square meters. Kumamoto produces a range of small- to large-size motorcycles, utility tractors, lawn tractors, all-terrain vehicles, auto engines for mini-cars and trucks, components for automobile automatic transmissions and motorcycle components. Beginning in 2002, the factory also began producing more power products in a shift from the Hamamatsu Plant. In April 2008, a new motorcycle production plant with an annual production capacity of 500,000 units began operating at the Kumamoto Factory. Transfer of motorcycle assembly from the existing motorcycle plant to the new plant was completed in 2008. Production of motorcycles in Marysville, Ohio, was transferred to this new plant in the summer of 2009. Moreover, production of medium-to-large size motorcycle engines were transferred to this new plant from Honda’s Hamamatsu Factory before the end of 2009.

Models Produced

Began Production

Motorcycles, power products and motorcycle engines

January 1976

Tochigi Factory

The Tochigi Factory produces parts for both automobiles and motorcycles including engine parts such as crankshafts, cylinder heads and intake and exhaust valves, and suspension and drive train parts.

Yachiyo Industry Co., Ltd. Yokkaichi Factory

One of Honda’s associate companies, Yachiyo Industry Co., produces a variety of Honda mini-cars and trucks. Honda owns 50.3% of Yachiyo Industry, which began as a parts supplier to Honda and started making mini-trucks in August 1985. Yachiyo Industry has one vehicle assembly line, located at its Yokkaichi Factory, which includes welding, painting and body assembly operations. Honda provides Yachiyo Industry with the stamped body parts. Yachiyo Industry will establish a new plant for synchronous production of mini-vehicles including the engine and the complete automobile (annual production capacity of 240,000 units). Initially scheduled for 2010, the construction of the plant will be delayed by at least one year.

Engine and chassis parts

Dec. 1970

Acty, Life, Vamos, Vamos Hobio, Zest

Aug. 1985

Yorii Plant

Construction on the new Yorii auto plant, in Japan’s Saitama prefecture, began in September, 2007. In addition to production capacity of 200,000 automobiles per year, the Yorii plant will be responsible for evolving new manufacturing technologies and sharing them with other Honda plants worldwide. The new factory will be built with the concept of “a people-friendly and resource/energy-recycling Green Factory that employs a high-quality, highly efficient production and logistics system.” Startup of the new plant, originally scheduled for 2010, has been delayed for at least two years based on the challenging global economic conditions.



Ogawa Plant

Construction of the new Ogawa engine plant began in August 2007. In addition to producing advanced, environmentally-responsible automobile engines, the new plant will be responsible for evolving new technology that enhances manufacturing quality and efficiency while reducing Honda’s environmental impact, and sharing that technology with Honda engine plants worldwide. In July 2009, the plant began Phase 1 production activity including casting and machining processes and supply of engine components for auto plants in Japan and other regions.





Plant Size

Annual Capacity

166,000 sq. meters

500,000 motorcycles



58,000 sq. meters


58,000 sq. meters

240,000 automobiles


980,000 sq. meters

200,000 automobiles


195,000 sq. meters

200,000 engines


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