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Yamaha Specifications

Yamaha YD1 250 (1958-60)

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Yamaha YD1 250 (1958-60)

At a glance

Capacity
247 cc / 15.0 cu-in
Power
14.5 hp @ 6000 rpm
Torque
4.1 kg-m @ 5000 rpm

The full picture.

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

Motorcycle technical specifications
Year1958-60
EngineTwo stroke, piston-port, parallel twin
Capacity247 cc / 15.0 cu-in
Bore x Stroke54 x 54 mm
Cooling SystemAir-cooled
Compression Ratio
InductionSingle carburetor
StartingKick
Max Power14.5 hp @ 6000 rpm
Max Torque4.1 kg-m @ 5000 rpm
Transmission5 Speed
Final DriveChain
Front SuspensionTelescopic forks
Rear SuspensionSwing arm
Front BrakesDrum
Rear BrakesDrum
Front Tyre2.50 -16
Rear Tyre2.50 -16
Wet Weight138 kg / 309 lbs
Fuel Capacity