YZF 600 R Thundercat

2001 Yamaha YZF 600 R Thundercat Technical Analysis & Specification Breakdown

Positioned in Yamaha's sport touring motorcycle lineup, the 2001 Yamaha YZF 600 R Thundercat utilizes a 599 cc (36.6 cu in) in-line four, four-stroke layout. In factory specification, peak output is rated at 100 HP (73 kW) at 11,500 rpm while maximum torque reaches 66 Nm (48.7 lb-ft) at 9,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 166.9 HP per liter and a 2,000 rpm working window between peak torque (9,500 rpm) and peak power (11,500 rpm), the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the YZF 600 R Thundercat measures 187 kg (412 lbs) dry, translating to a power-to-weight ratio of 0.53 HP/kg (1.87 kg per horsepower). Rider ergonomics and chassis geometry center around a 810 mm (31.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,415 mm (55.7 in) wheelbase engineered for quick, flickable steering geometry. The 19-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 230 km/h (143 mph).

Within MotoLibrary's Yamaha archive, this model family spans 6 indexed model years from 1996 to 2003, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.