Moto 6.5

1999 Aprilia Moto 6.5 Technical Analysis & Specification Breakdown

Engineered by Aprilia for the motorcycle segment, the 1999 Aprilia Moto 6.5 features a 649 cc (39.6 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 42 HP (30.7 kW) at 6,250 rpm while maximum torque reaches 51 Nm (37.6 lb-ft) at 4,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 64.7 HP per liter and a 1,750 rpm working window between peak torque (4,500 rpm) and peak power (6,250 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Moto 6.5 measures 182.5 kg (402 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.35 kg per horsepower). Rider ergonomics and chassis geometry center around a 830 mm (32.7 in) seat height — resulting in a taller command-style riding posture suited to medium-to-tall inseams, combined with a 1,460 mm (57.5 in) wheelbase engineered for balanced agility and highway composure. The 16-liter (4.2 US gal) fuel tank paired with a rated consumption of 6.1 L/100 km provides an estimated theoretical range of roughly 262 km (163 miles) between fill-ups, while factory top speed is listed at 160 km/h (99 mph).

Within MotoLibrary's Aprilia archive, this model family spans 7 indexed model years from 1996 to 2002, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.