The 1986 MY Aprilia AS 125R sports a liquid-cooled, two-stroke, 124cc, single cylinder engine mated to a six-speed manual transmission, and can produce a claimed 26 horsepower at 8500 rpm. It comes standard with a 32mm Marzocchi non-adjustable telescopic fork, a rear monoshock, a braking system with front and rear disc brakes, a dual seat, lightweight, four-spoked wheels, a small, nose-fairing with a small windscreen, and black engine accents.