Aprilia TXR312M: history, specs, pictures

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Made only in 1986.


Make Model Aprilia TXR 312M
Year 1989
Engine Liquid cooled, single cylinder, two stroke
Capacity 277
Bore x Stroke 76 x 61 mm
Compression Ratio 8.5:1
Ignition / Starting
Max Power
Max Torque
Transmission / Drive 6 Speed / chain
Front Suspension
Rear Suspension
Front Brakes Disc
Rear Brakes Disc
Front Tyre 2.75-21
Rear Tyre 4.00-18
Fuel Capacity 6.5 kg
Aprilia TXR312M
Also called TXR 312 M
Production 1989
single cylinder, two-stroke
Bore / Stroke 76.0mm x 61.0mm
Top Speed 53 mph (85 km/h)
Horsepower 9.79 HP (7.3 KW) @ 6400RPM
Transmission Gear box: 6-speed
Final Drive: chain
Brakes Front: single disc
Rear: single disc
Front Tire 2.75-21
Rear Tire 4.00-18
Weight 90.0 kg (wet)
Fuel Capacity 1.19 Gallon (4.50 Liters)
Manuals Service Manual

The Aprilia TXR312M was a single cylinder, two-stroke standard produced by Aprilia in 1989. It could reach a top speed of 53 mph (85 km/h). Claimed horsepower was 9.79 HP (7.3 KW) @ 6400 RPM.


The engine was a liquid cooled single cylinder, two-stroke. A 76.0mm bore x 61.0mm stroke result in a displacement of just 277.0 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 single disc in the rear. The TXR312M was fitted with a 1.19 Gallon (4.50 Liters) fuel tank.