The 1990 MY Aprilia TX 312M sports a liquid-cooled, two-stroke, single cylinder powerplant mated to a six-speed manual transmission, and produces 10 horsepower at 6400 rpm. This lightweight trial machine also comes with features such as a telescopic fork, a rear monoshock suspension, a single brake disc in the front, a drum brake in the rear, laced wheels, a low seat height and a high-mounted exhaust.
The 1986 MY Aprilia TX 311M sports a liquid-cooled, two-stroke, 277cc, single cylinder powerplant paired to a six-speed manual transmission, and can produce a claimed 17 horsepower at 6400 rpm. It comes standard with large, laced wheels, a telescopic front fork, a monoshock as a rear suspension, a low seat height, a high-mounted exhaust system, a front disc brake coupled to a rear drum unit and a bold paint scheme.