Aprilia RS 50 Extrema1993

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Water cooled, 50cc, Single, 2-stroke, Reed valve

Power: 7.34 HP (5.4 kW) @ 10000 rpm
Final drive: Chain
Curb weight: 249.1 lbs
Category: Supersport
Tags: Supersport
Engine and transmission
Engine type: 1 cylinders, 2-stroke, Single
Displacement: 50 cc (3.06 cubic inches)
Bore × stroke: 1.59 inch × 1.54 inch (square)
Cooling system: Water cooled
Power: 7.34 HP (5.4 kW) @ 10000 rpm
Throttle: Cable operated
Valves
Valve train: Reed valve, variable
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: Digital CDI
Funnel diameter: 0.55 inch
Compression: 12.5:1
Engine mounting: Transverse
Gear box: Manual 6-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Spark plug pipe type: NGK, B8ES
Motor oil: Synthetic, 2T
Starter: Electric
Dimensions
Physical measures
Length: 77.4 inch
Width: 28.3 inch
Height: 43.3 inch
Wheel base: 50.4 inch
Seat height: 31.9 inch
Weight
Curb weight: 249.1 lbs
Dry weight: 216.1 lbs
Chassis and suspension
Frame type: aluminium, twin spar
Front
Suspension: Cartridge - upside-down
Suspension travel: 4.72 inch
Brake: Single Disk, Ø11.81 inch
Tire: 90 / 90 R16
Tire pressure: 0.14 PSI
Rear
Suspension: mono shock, Swingarm
Suspension travel: 4.72 inch
Brake: Disk, Ø7.09 inch
Tire: 110 / 80 R17
Tire pressure: 0.14 PSI
Other
ABS available: No
Power-to-weight ratio: 0.05 KW/lbs (20.93 lbs/HP)
Fuel capacity: 3.43 gals
Number of riders: 2 persons

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