Bultaco Metralla 250 GTback 1976

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Air cooled, 244cc, Single, 2-stroke, Piston controlled inlet port

Power: 22.84 HP (16.8 kW) @ 7500 rpm
Final drive: Chain
Top speed: 81.4 mph
Curb weight: 286.6 lbs
Tags: Classic bike
Engine and transmission
Engine type: 1 cylinders, 2-stroke, Single
Displacement: 244 cc (14.91 cubic inches)
Bore × stroke: 2.83 inch × 2.36 inch (oversquare - shortstroke)
Cooling system: Air cooled
Power: 22.84 HP (16.8 kW) @ 7500 rpm
Throttle: Cable operated
Valves
Valve train: Piston controlled inlet port, variable
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: mechanically timed
Compression: 9:1
Engine mounting: Transverse
Gear box: Manual 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Spark plug pipe type: Champion
Motor oil: Mineral, 2T
Starter: Kick-starter
Dimensions
Weight
Curb weight: 286.6 lbs
Dry weight: 255.7 lbs
Chassis and suspension
Frame type: iron, Double cradle frame
Front
Suspension: Cartridge
Suspension travel: 4.88 inch
Brake: Single Drum
Tire: 70 / 100 R18
Rear
Suspension: twin shock, Swingarm
Suspension travel: 4.33 inch
Brake: Drum
Tire: 76 / 100 R18
Other
ABS available: No
Power-to-weight ratio: 0.13 KW/lbs (7.74 lbs/HP)
Acceleration (0-60 mph): 7.9 sec
Top speed: 81.4 mph
Fuel capacity: 3.7 gals
Number of riders: 2 persons

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