Built around Yamaha's sport motorcycle platform, the 2002 Yamaha YZF 600 R Thundercat pairs a 599 cc (36.6 cu in) liquid-cooled in-line four, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 100.1 HP (73.1 kW) at 11,500 rpm while maximum torque reaches 65 Nm (47.9 lb-ft) at 9,500 rpm. With a specific output of 167.1 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 0.54 HP/kg (1.87 kg per horsepower). Rider ergonomics and chassis geometry center around a 805 mm (31.7 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.
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.
Specific Output
167.1 HP/L
Power-to-Weight
0.54 HP/kg (1.87 kg/HP)
Power Band Window
9,500–11,500 rpm
Standover Height
805 mm (31.7 in)
Engine
Displacement599.0 ccm (36.55 cubic inches)
Engine TypeIn-line four, four-stroke
Engine DetailsIn-line four, four-stroke
Power100.1 HP (73.1 kW)) @ 11500 RPM
Torque65.0 Nm (6.6 kgf-m or 47.9 ft.lbs) @ 9500 RPM
Compression12.0:1
Bore x Stroke62.0 x 49.6 mm (2.4 x 2.0 inches)
CoolingLiquid
Chassis
Front Travel120 mm (4.7 inches)
Rear Travel120 mm (4.7 inches)
Wheelbase1415 mm (55.7 inches)
Ground Clearance135 mm (5.3 inches)
Wheels & Brakes
Front Tyre120/70-ZR17
Rear Tyre160/60-ZR17
Front BrakesDual disc
Front Brake Ø298 mm (11.7 inches)
Rear BrakesSingle disc
Rear Brake Ø245 mm (9.6 inches)
Dimensions & Weight
Dry Weight187.0 kg (412.3 pounds)
Power/Weight0.5353 HP/kg
Seat Height805 mm (31.7 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
