The Yamaha YD-1 250 motorcycle was first produced in 1957. It has a two-stroke, piston-port parallel twin engine with a capacity of 247 cc/15.0 cu-in. The bore and stroke measure 54 x 54 mm and it is air-cooled with a compression ratio of . The bike starts with a kick and has a maximum power of 14.5 hp at 6000 rpm and maximum torque of 4.1 kg-m at 5000 rpm. The transmission is a 5-speed with a final chain drive. The front suspension is telescopic forks and the rear suspension is swing arm. The brakes for both the front and rear wheels are drum brakes. The front and rear tires are both 2.50 -16. The bike has a wet weight of 138 kg/309 lbs and fuel capacity is not specified in the provided information.
Make Model: Yamaha YD-1
Year: 1957
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:
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