TDM 850

1992 Yamaha TDM 850 Technical Analysis & Specification Breakdown

Engineered by Yamaha for the sport touring motorcycle segment, the 1992 Yamaha TDM 850 relies on a 849 cc (51.8 cu in) liquid-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 78 HP (56.9 kW) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 91.9 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the TDM 850 measures 230 kg (507 lbs) wet (curb), translating to a power-to-weight ratio of 0.34 HP/kg (2.95 kg per horsepower). The 18-liter (4.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 207 km/h (129 mph).

Within MotoLibrary's Yamaha archive, this model family spans 11 indexed model years from 1991 to 2001, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.