Yamaha DT250 (1968-70)

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The Yamaha DT-1 250 was a two-stroke, single cylinder motorcycle produced from 1968 to 1970. It had a displacement of 246 cc and a compression ratio of 6.4:1. The bike was air-cooled and featured a carburetor induction system with autolube lubrication. The ignition was operated by a flywheel magneto and it had a kick-start system. The power output was 22.8 hp at 7000 rpm and the max torque was 23.7 Nm at 6500 rpm. The transmission was a 5-speed manual and the final drive was chain-operated. The bike had a duplex cradle frame, telescopic forks for the front suspension and dual shocks for the rear suspension. The front and rear brakes were both drum brakes. The front tyre was 3.25-19 and the rear was 4.00-18. The bike dimensions were length 2100.5 mm, width 889.0 mm, and height 1160.7 mm. It had a wheelbase of 1389.3 mm and a ground clearance of 254 mm. The dry weight of the bike was 111 kg and it had a fuel capacity of 9 litres.

Technical specifications:

Make Model: Yamaha DT-1 250

Year: 1968 – 70


Engine: Two stroke, single cylinder
Capacity: 246 cc / 15.0 cu-in
Bore x Stroke: 70 x 64 mm
Cooling System: Air cooled
Compression Ratio: 6.4:1
Lubrication: Autolube
Induction: Carburetor
Ignition: Flywheel magneto
Starting: Kick
Max Power: 22.8 hp / 16.8 kW @ 7000 rpm
Max Torque: 23.7 Nm / 17.5 lb-ft @ 6500 rpm
Transmission: 5 Speed
Final Drive: Chain
Frame: Duplex cradle
Front Suspension: Telescopic forks

Rear Suspension: Dual shocks
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.25 -19
Rear Tyre: 4.00 -18
Dimensions: Length 2100.5 mm / 82.7 in Width 889.0 mm / 35.0 in Height 1160.7 mm / 45.7 in
Wheelbase: 1389.3 mm / 54.7 in
Ground Clearance: 254 mm / 10.0 in
Dry Weight: 111 kg / 245 lbs
Fuel Capacity: 9 Litres / 2.5 US gal

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