2017 Aprilia RS4 50
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust system Spark plug Alternator Gear ratios | Liquid cooled, single cylinder, two stroke 39.9 x 39.9 mm (1.6 x 1.6 inches) 49.9 ccm 4 valves per cylinder 11.5:1 Carburettor 6-speed Chain Multiplate wet clutch Electronic with CDI capacity discharge Electric starter Automatic mixer |
| Dimensions Frame type Rake/trail Overall length Overall width Overall height Wheelbase Seat height Ground clearance Weight Fuel capacity Color Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Aluminium perimeter frame 1,953 mm (76.9 inches) 740 mm (29.1 inches) 1,138 mm (44.8 inches) 1,350 mm (53.1 inches) 820 mm (32.3 inches) 14.50 litres (3.83 gallons) Black, yellow 41 mm upside down fork Asymmetric swingarm with monoshock 100/80-R17 130/70-R17 Single 300 mm disc with four-piston calipers Single 218 mm disc with single-piston caliper |
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