Aprilia RX250

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1985 Aprilia RX250.jpg
Aprilia RX250
Also called RX 250
Production 1984 - 1987
Class Enduro
single cylinder, two-stroke
Bore / Stroke 72.0mm x 61.0mm
Compression ratio 14.0:1
Top Speed 75 mph (120 km/h)
Horsepower 46.0 HP (34.3 KW) @ 8000RPM
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: telescopic fork
Rear: monoshock
Brakes Front: single disc
Rear: expanding brake
Front Tire 3.00-21
Rear Tire 4.50-18
Weight 100.0 kg (wet)
Fuel Capacity 2.25 Gallon (8.50 Liters)
Manuals Service Manual

The Aprilia RX250 was a single cylinder, two-stroke Enduro motorcycle produced by Aprilia between 1984 and 1987. It could reach a top speed of 75 mph (120 km/h). Claimed horsepower was 46.0 HP (34.3 KW) @ 8000 RPM.


The engine was a liquid cooled single cylinder, two-stroke. A 72.0mm bore x 61.0mm stroke result in a displacement of just 246.0 cubic centimeters. Fuel was supplied via a rotary valves.


The bike has a 5-speed transmission. Power was moderated via the wet multi-disc, manual.


It came with a 3.00-21 front tire and a 4.50-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a telescopic fork while the rear was equipped with a monoshock. The RX250 was fitted with a 2.25 Gallon (8.50 Liters) fuel tank.

1986 Aprilia RX 250[edit]

1986 Aprilia RX 250 1986 Aprilia RX 250

The 1986 MY Aprilia RX 250 has, at its heart, a liquid-cooled, two-stroke, 246cc, single cylinder powerplant mated to a six-speed manual transmission and can produce a claimed 47 horsepower at 8000 rpm. This mid-size off-road machine comes standard with features such as laced wheels with knobby tires mounted on them, a telescopic front fork, a single shock absorber as a rear suspension, a front disc brake, a rear drum brake, a race-inspired livery and an 8-liter (2.2-gallon) fuel tank.


Make Model Aprilia RX 250
Year 1985
Engine Liquid cooled. two stroke, single cylinder, rotary valve
Capacity 244
Bore x Stroke 72.0 x 61.0 mm
Compression Ratio 14.0:1
Ignition / Starting
Max Power
Max Torque
Transmission / Drive 5 Speed / cahin
Front Suspension Hydraulic telescopic front fork
Rear Suspension Swingarm with single shock absorber
Front Brakes Single disc
Rear Brakes Single disc
ingle 3.00-21
Rear Tyre 4.50-18
Dry-Weight 100 kg
Fuel Capacity 8.5 Liters