APRILIA RS 50

APRILIA RS 50





ENGINE SPECIFICATIONS

Engine: Liquid cooled, single cylinder two stroke

Bore x Stroke: 39,86 x 40 mm

Total displacement: 49,9 cc

Compression ratio: 11,5 :1

Maximum power: Electronic C.D.I.

Maximum torque: Electric

Ignition: Elettronica C.D.I.

Starting: Elettrico

Exhaust: Euro 2

Lubrication: Automatic mixer





FUEL SYSTEM

Carburettor: Dell’Orto PHVA - Ø14





TRANSMISSION SYSTEM

Gear box: 6 speed. Ratios:

1st 11/34

2nd 15/30

3rd 18/27

4th 20/24

5th 22/23

6th 23/22

Clutch: Multi-plate

Primary drive: Gears. Ratio: 21/78

Final drive: Chain. Ratio: 14/53





FRAME  WORK

Frame: Aluminium twin beam frame with extruded profiles and internal reinforcement




SUSPENSION SYSTEM

Front: 40 mm upside down fork; wheel travel 120 mm

Rear: Double reinforced  member aluminium swingarm with bracing arch;
hydraulic monoshock; wheel travel 110 mm





BRAKING SYSTEM

Front: Radial caliper with two 28 mm opposed pistons; 300 mm stainless steel disc; aeronautical braided brake hose

Rear: 180 mm stainless steel disc; caliper with two 25 mm opposed pistons; aeronautical braided brake hose




WHEELS
Wheels: Light alloy 6 ‘Y’ spoke wheels with tubeless rims.

Front: 2.75 x 17"

Rear: 3.50 x 17"




TYRES

Front: 110/80 - 17"

Rear: 130/70 - 17"






DIMENSIONS

Overall length: 1965 mm

Overall width: 720 mm

Max. height: 1.100 mm

Seat height: 810 mm

Wheelbase: 1,310.5 mm




FUEL TANK

Fuel tank capacity: 13 litres




BATTERY

Battery: 12V – 4Ah