1990 YAMAHA YZR250 (OWB9) '90年、ジョン・コシンスキーがWGP250チャンピオンを獲得。● Engine type: Liquid-cooled, 2-stroke, V2-cylinder, 249cm3● Crankcase reed valve intake● Transmission: 6-speed● Maximum power output: Over 58.8kW（80PS） Tags: 2563 views 7 likes 0 comments Share this: MOTO CROQUIS About author You delivered everything the information of a motorcycle. 27300 subscribers viewes https://www.youtube.com/channel/UC9VjEgfYtkU9eJrsm6w4niw View all posts
