Aprilia RX 50 Racingback 2005 forward

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Water cooled, 49cc, Single, 2-stroke, Reed valve

Power: 8.02 HP (5.9 kW) @ 10000 rpm
Final drive: Chain
Top speed: 43.5 mph
Curb weight: 235.9 lbs
Category: Offroad
Tags: Enduro
Engine and transmission
Engine type: 1 cylinders, 2-stroke, Single
Displacement: 49 cc (2.99 cubic inches)
Bore × stroke: 1.59 inch × 1.54 inch (square)
Cooling system: Water cooled
Power: 8.02 HP (5.9 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: 0.71 inch
Compression: 12:1
Engine mounting: Transverse
Lubrication system: Mixture
Gear box: Manual 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Spark plug pipe type: NGK, BR8ES
Motor oil: Synthetic, 2T
Starter: Kick-starter
Dimensions
Physical measures
Length: 81.1 inch
Width: 34.6 inch
Wheel base: 55.1 inch
Ground clearance: 13.78 inch
Seat height: 37 inch
Weight
Curb weight: 235.9 lbs
Dry weight: 216.1 lbs
Chassis and suspension
Frame type: steel, Double cradle frame
Front
Suspension: Cartridge
Suspension travel: 9.84 inch
Brake: Single Disk, Ø9.84 inch
Tire: 80 / 90 R21
Tire pressure: 0.11 PSI
Rear
Suspension: mono shock, Swingarm
Suspension travel: 10.24 inch
Brake: Disk, Ø8.66 inch
Tire: 110 / 80 R18
Tire pressure: 0.12 PSI
Other
ABS available: No
Power-to-weight ratio: 0.06 KW/lbs (18.14 lbs/HP)
Top speed: 43.5 mph
Fuel capacity: 2.51 gals
Number of riders: 1 person

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