Yamaha DT 250 MX1978 forward

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Air cooled, 246cc, Single, 2-stroke, Reed valve

Power: 15.91 HP (11.7 kW) @ 5400 rpm
Final drive: Chain
Top speed: 67.73 mph
Curb weight: 297.6 lbs
Category: Offroad
Tags: Enduro
Engine and transmission
Engine type: 1 cylinders, 2-stroke, Single
Displacement: 246 cc (15.03 cubic inches)
Bore × stroke: 2.76 inch × 2.52 inch (oversquare - shortstroke)
Cooling system: Air cooled
Power: 15.91 HP (11.7 kW) @ 5400 rpm
Throttle: Cable operated
Valves
Valve train: Reed valve, variable
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Compression: 6.7:1
Engine mounting: Transverse
Gear box: Manual 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Dimensions
Weight
Curb weight: 297.6 lbs
Chassis and suspension
Frame type: steel, Double cradle frame
Front
Suspension: Cartridge
Brake: Drum
Rear
Suspension: mono shock, Swingarm
Brake: Drum
Other
ABS available: No
Power-to-weight ratio: 0.09 KW/lbs (11.54 lbs/HP)
Top speed: 67.73 mph
Fuel capacity: 2.38 gals
Number of riders: 2 persons

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