SM 125

2005 MZ SM 125 Technical Analysis & Specification Breakdown

Engineered by MZ for the super motard motorcycle segment, the 2005 MZ SM 125 pairs a 124 cc (7.6 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 11 HP (8 kW) at 9,000 rpm while maximum torque reaches 11.7 Nm (8.6 lb-ft) at 8,500 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 88.7 HP per liter and a 500 rpm working window between peak torque (8,500 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 SM 125 measures 129.5 kg (285 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (11.77 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 1,440 mm (56.7 in) wheelbase engineered for balanced agility and highway composure. The 12.5-liter (3.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 110 km/h (68 mph).

Within MotoLibrary's MZ archive, this model family spans 3 indexed model years from 2001 to 2005, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.