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Yamaha DT 250

Make Model	Yamaha DT 250
Year	1979
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	6.8:1
Lubrication	Autolube
Induction	Single 28mm Mikuni VM28SS
Ignition	External-rotor magneto; CDI; six-volt battery
Starting	Kick
Max Power	17 hp 12.6 kW @ 6000 rpm
Max Torque	20.7 Nm / 15.3 lb-ft @ 5500 rpm
Transmission	5 Speed
Final Drive	Chain
Gear Ratio	1st 33/13, 2.538 / 2nd 34/19, 1.789 3rd 26/20, 1.300 / 4th 23/23, 1.000 /5th 20/26, 0.769
Frame	Double-downtube, full-cradle, mild-steel frame; tubular-section, mild-steel swing arm
Front Suspension	Oil-damped, coil-spring fork with forward-mounted axle and
Front Wheel Travel	195 mm / 7.6 in
Rear Suspension	DeCarbon-type, nitrogen-charged mono-shock producing
Rear Wheel Travel	152 mm / 5.9 in
Front Brakes	Conical hub with drum brake
Rear Brakes	Conical hub with rod-actuated drum brake
Front Tyre	3.00-21
Rear Tyre	4.00-18
Rake	135 mm / 5.3 in
Dimensions	Width 870 / 34.2 in
Wheelbase	1420 mm / 55.9 in
Seat Height	856 mm / 33.7 in
Ground Clearance	255 mm / 10.0 in
Dry Weight	122 kg / 269 lbs
Wet Weight	131 kg / 290 lbs
Fuel Capacity	8.5 Litres / 2.2 gal