XTZ 660 tenere

1999 Yamaha XTZ 660 tenere Technical Analysis & Specification Breakdown

Built around Yamaha's enduro - offroad motorcycle platform, the 1999 Yamaha XTZ 660 tenere features a 660 cc (40.3 cu in) liquid-cooled engine configuration. In factory specification, peak output is rated at 46 HP (33.6 kW) at 6,000 rpm while maximum torque reaches 56 Nm (41.3 lb-ft) at 5,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 69.7 HP per liter and a 1,000 rpm working window between peak torque (5,000 rpm) and peak power (6,000 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 XTZ 660 tenere measures 201 kg (443 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.37 kg per horsepower). Rider ergonomics and chassis geometry center around a 865 mm (34.1 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1 mm (0 in) wheelbase engineered for quick, flickable steering geometry. The 20-liter (5.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 156 km/h (97 mph).

Within MotoLibrary's Yamaha archive, this model family spans 7 indexed model years from 1991 to 1999, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.