Yamaha YD1 250 (1958-60)

The Yamaha YD-2 is a motorcycle model produced between 1958 and 1960. It features a two stroke, piston-port parallel twin engine with a capacity of 247cc (15.0 cu-in). The engine has a bore x stroke of 54 x 54 mm and is air-cooled with a compression ratio that is unspecified. The bike has a single carburetor and is kick-started. It generates a maximum power of 14.5 hp @ 6000 rpm and a maximum torque of 4.1 kg-m @ 5000 rpm. The bike is equipped with a 5-speed transmission and a chain final drive. The front suspension has telescopic forks while the rear is swing arm type. The front and rear brakes both are drum type. The tyres used in this bike are of the following specifications: Front Tyre: 2.50-16, Rear Tyre: 2.50-16. The wet weight of the bike stands at 138 kg and with no information about the fuel capacity.

Technische Daten:

Make Model: Yamaha YD-2

Year: 1958-60

Motor: Zweitakt-Kolbenmotor, Parallel-Twin
Hubraum: 247 cm³ / 15,0 cu-in
Bohrung x Hub: 54 x 54 mm
Kühlsystem: Luftgekühlt
Ansaugung: Einzelvergaser
Start: Kick
Max Power: 14.5 hp @ 6000 rpm
Max Torque: 4.1 kg-m @ 5000 rpm
Getriebe: 5-Gang
Endantrieb: Kette
Vordere Federung: Teleskopgabel
Hintere Aufhängung: Schwingarm
Vordere Bremsen: Trommel
Hintere Bremsen: Trommel

Front Tyre: 2.50 -16
Rear Tyre: 2.50 -16
Nassgewicht: 138 kg / 309 lbs

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