1974 YAMAHA YZ250
（Monocross）
● Engine type: Air-cooled, 2-stroke, single-cylinder, 246cm3
● Transmission: 5-speed
●Maximum power output: 25.0kW（34PS）/ 8,000r/min
http://global.yamaha-motor.com/jp/showroom/cp/collection/racing_yz250/
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1974 YAMAHA YZ250
（Monocross）
● Engine type: Air-cooled, 2-stroke, single-cylinder, 246cm3
● Transmission: 5-speed
●Maximum power output: 25.0kW（34PS）/ 8,000r/min
http://global.yamaha-motor.com/jp/showroom/cp/collection/racing_yz250/