DT 125 R

1991 Yamaha DT 125 R Technical Analysis & Specification Breakdown

Positioned in Yamaha's enduro - offroad motorcycle lineup, the 1991 Yamaha DT 125 R utilizes a 125 cc (7.6 cu in) liquid-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 12 HP (8.8 kW) at 7,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 96 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the DT 125 R measures 119 kg (262 lbs) wet (curb), translating to a power-to-weight ratio of 0.1 HP/kg (9.92 kg per horsepower). The 10-liter (2.6 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 Yamaha archive, this model family spans 6 indexed model years from 1991 to 2002, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.