YP 250

1998 Yamaha YP 250 Technical Analysis & Specification Breakdown

Built around Yamaha's scooter motorcycle platform, the 1998 Yamaha YP 250 pairs a 249 cc (15.2 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 20 HP (14.6 kW) at 6,500 rpm while maximum torque reaches 23 Nm (17 lb-ft) at 5,500 rpm. With a specific output of 80.3 HP per liter and a 1,000 rpm working window between peak torque (5,500 rpm) and peak power (6,500 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 YP 250 measures 153 kg (337 lbs) dry, translating to a power-to-weight ratio of 0.13 HP/kg (7.65 kg per horsepower).

Within MotoLibrary's Yamaha archive, this model family spans 2 indexed model years from 1997 to 1998, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.