APRILIA RX 50

TECHNICAL CHART

Colours, specifications and technical data may be subject to change without prior notice.

Engine type
Liquid cooled, single cylinder two stroke with light alloy cylinder

Fuel
Lead-free petrol

Bore and stroke
39.88 x 40 mm

Displacement
49.9 cc

Compression ratio
11.5:1

Fuel system
DELL’ORTO PVHA 17.5 carburettor
Fuel shut-off on tank

Ignition
Electronic C.D.I

Starting
Kick start

Alternator
85 W (120 W optional)

Lubrication
Automatic mixer

Gearbox
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: 11/53

Frame
Steel beam

Front suspension
40 mm hydraulic fork with leading axle, wheel travel 195 mm.

Rear suspension
High strength steel swingarm;
hydraulic monoshock; wheel travel 180 mm.

Brakes
Front: 260 mm stainless steel disc; floating caliper
Rear: 180 mm stainless steel disc; caliper with two opposing pistons

Wheels
Spoked wheels with aluminium rim.
Front: 1.85 x 21”
Rear: 2.15 x 18”

Tyres
Front: 90/90 - 21”
Rear: 110/80 -18”

Dimensions
Overall length: 2100 mm
Overall width: 825 mm
Seat height: 880 mm
Wheelbase: 1412 mm

Tank capacity
7 litres

Exhaust system
Catalytic converter