VR-125Z

2013 Hartford VR-125Z Technical Analysis & Specification Breakdown

Built around Hartford's sport motorcycle platform, the 2013 Hartford VR-125Z relies on a 124 cc (7.6 cu in) single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 11.5 HP (8.4 kW) at 9,000 rpm while maximum torque reaches 8.7 Nm (6.4 lb-ft) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 92.7 HP per liter and a 1,500 rpm working window between peak torque (7,500 rpm) and peak power (9,000 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 VR-125Z measures 122 kg (269 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (10.61 kg per horsepower). Rider ergonomics and chassis geometry center around a 810 mm (31.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,375 mm (54.1 in) wheelbase engineered for quick, flickable steering geometry.

Within MotoLibrary's Hartford archive, this model family spans 2 indexed model years from 2007 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.