APRILIA RS4 - 125

RS4 125

Technical sheet

• Engine: Four stroke liquid cooled single cylinder with electronic injection and 4 valves.

• Bore x Stroke: 58 x 47 mm

• Total displacement: 124,8 cc

• Compression ratio: 12,5 ± 0,5:1

• Ignition: Electronic with CDI capacity discharge

• Starting: Electric

• Lubrification: Miscelatore automatico

• Gear box: 6 Ratios, 1st 11/33 2nd 15/30 3rd 18/27 4th 20/24 5th 25/27 6th 23/22

• Clutch: Multiple discs, in oil bath

• Primary drive: Gears, 69/29

• Final drive: Chain, 60/13

• Frame: Aluminium perimeter frame

• Front suspension: 41 mm upside down fork, wheel excursion 110 mm

• Rear suspension: Asymmetric swingarm with monoshock, wheel travel 130 mm

• Brakes: Front: 300 mm stainless steel disc with radial 4 piston calliper Rear: 218 mm stainless steel disc and calliper with single 30 mm piston

• Wheels: In light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17"; rear: 3.50 x 17"

• Tyres: Front: 100/80 - 17", rear: 130/70 - 17"

• Dimensions: Max. Length 1953 mm Max width 740 mm Max height at top fairing 1,138 mm Saddle height 820 mm Wheelbase 1,350 mm

• Fuel tank capacity: 14.5 litres (including 3.5 litre reserve)

• Emissions: Euro 3