Yup 250

2004 Kymco Yup 250 Technical Analysis & Specification Breakdown

Built around Kymco's scooter motorcycle platform, the 2004 Kymco Yup 250 relies on a 251 cc (15.3 cu in) liquid-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 19.4 HP (14.2 kW) at 6,750 rpm while maximum torque reaches 21.8 Nm (16.1 lb-ft) at 5,500 rpm. With a specific output of 77.3 HP per liter and a 1,250 rpm working window between peak torque (5,500 rpm) and peak power (6,750 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 Yup 250 measures 158 kg (348 lbs) dry, translating to a power-to-weight ratio of 0.12 HP/kg (8.14 kg per horsepower).

Within MotoLibrary's Kymco archive, this model family spans 3 indexed model years from 2004 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.