The SJ413 is sold in the U.S. market (as the Samurai) the following year, and ultimately in over 100 countries.[67][68][69] Suzuki signs a car production technical assistance contract with China National Aero-Technology Import & Export Corporation.[51] Introduction of the GSX-R750 motorcycle with an oil-cooled 4-cylinder DOHC engine.[70] 1985: Aggregate sales of Alto in Japan reach 1 million units.[71] Suzuki of America Automotive Corp. established in Brea, California.