Yamaha YD-2 250 Make Model | Yamaha YD-2 | Year | 1958-59 | Engine | Air-cooled, two stroke, piston-port, parallel twin | Capacity | 247 | Bore x Stroke | 54 x 54 mm | Compression Ratio | | Induction | Single carburetor | Ignition / Starting | | Clutch | | Max Power | 14.5 hp @ 6000 rpm | Max Torque | 4.1 kgm @ 5000 rpm | Transmission / Drive | Speed / chain | Front Suspension | Telescopic forks | Rear Suspension | Swing arm | Front Brakes | Drum | Rear Brakes | Drum | Front Tyre | 2.50 -16 | Rear Tyre | 2.50 -16 | Wet Weight | 309 lb | Fuel Capacity | | A Brilliant Dynasty
Yamaha was a fast learner and, within a few years, its twin had cast off all traces of its origins and had given rise to a motorcycle dynasty. The first was the electric start YD2. then came the first dedicated sports models, the YDS1 and the YDS2 (the first model exported to Europe). Yamaha competed in its first French GP at Clermont-Ferrand in 1961 and returned in 1963 with a succession of famous riders - Vesco, Read, Redman, Ivy, Saarinen, and Agostini. |