Aprilia TX125: history, specs, pictures

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Aprilia TX125
Manufacturer Aprilia
Also called TX 125
Production 1987 - 1988
Engine single cylinder, two-stroke
Bore / Stroke 54.0mm x 54.0mm
Top speed 62 mph (100 km/h)
Horse Power 9.79 HP (7.3 KW) @ 7000RPM
Battery 9.5:1
Transmission Gear box: 6-speed
Final Drive: chain
Brakes Front: single disc
Rear: expanding brake
Front Tire 2.75-21
Rear Tire 4.00-18
Weight  (dry), 85.0 kg (wet)
Fuel capacity 2.64 Gallon (10.00 Liters)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Aprilia TX125 was a single cylinder, two-stroke standard produced by Aprilia between 1987 and 1988. It could reach a top speed of 62 mph (100 km/h). Claimed horsepower was 9.79 HP (7.3 KW) @ 7000 RPM.


The engine was a liquid cooled single cylinder, two-stroke. A 54.0mm bore x 54.0mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a rotary valves.


The bike has a 6-speed transmission.


It came with a 2.75-21 front tire and a 4.00-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The TX125 was fitted with a 2.64 Gallon (10.00 Liters) fuel tank.