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.

Technical specifications:

Make Model: Yamaha YD-2

Year: 1958-60
Engine: Two stroke, piston-port, parallel twin
Capacity: 247 cc / 15.0 cu-in
Bore x Stroke: 54 x 54 mm
Cooling System: Air-cooled
Compression Ratio:
Induction: Single carburetor
Starting: Kick
Max Power: 14.5 hp @ 6000 rpm
Max Torque: 4.1 kg-m @ 5000 rpm
Transmission: 5 Speed
Final Drive: 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: 138 kg / 309 lbs
Fuel Capacity: