Aprilia RS4 502011 forward

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

Final drive: Chain
Category: All-rounder
Tags: Supersport
Engine and transmission
Engine type: 1 cylinders, 2-stroke, Single
Displacement: 50 cc (3.06 cubic inches)
Bore × stroke: 1.57 inch × 1.57 inch (square)
Cooling system: Water cooled
Throttle: Cable operated
Valves
Valve train: Reed valve with power valve, variable
Valves per cylinder: 2
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: Digital CDI
Funnel diameter: 6.89 inch
Compression: 11.5:1
Engine mounting: Transverse
Lubrication system: Mixture
Gear box: Manual 6-speed
Clutch: multiple discs, cable operated
Final drive: Chain
Starter: Electric
Dimensions
Physical measures
Length: 76.9 inch
Width: 29.1 inch
Height: 44.8 inch
Wheel base: 53.1 inch
Seat height: 32.3 inch
Chassis and suspension
Frame type: aluminium, Single cradle frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 4.33 inch
Brake: Single Disk, Ø11.81 inch
Tire: 110 / 80 R17
Rear
Suspension: mono shock, Swingarm
Suspension travel: 5.12 inch
Brake: Disk, Ø8.58 inch
Tire: 130 / 70 R17
Other
ABS available: No
Fuel capacity: 3.83 gals
Number of riders: 2 persons

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