Across 6 covered model years from 1996 to 2003, the Yamaha YZF 600 R Thundercat motorcycle has a listed dry weight of 412.3 lb (187 kg).
Yamaha YZF 600 R Thundercat weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Middleweight Motorcycle
Dry weight
Bike + rider total weight
These totals use the model’s representative dry weight. They exclude riding gear, luggage and a passenger.
Yamaha YZF 600 R Thundercat weight & related specs
| Model years covered | 1996, 1998, 2000, 2001, 2002, 2003 |
|---|---|
| Dry weight | 412.3 lb (187 kg) |
| Engine displacement | 599 cc |
| Power | 100.1 hp |
| Torque | 47.9 lb-ft (65 Nm) to 48.7 lb-ft (66 Nm) |
| Fuel capacity | 5.02 US gal (19 L) |
| Full-tank fuel weight (estimated) | 31.2 lb (14.2 kg) |
Weight changes by model year
The 1996 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Horsepower per 100 lb | 24.28 hp / 100 lb |
|---|---|
| Pounds per horsepower | 4.12 lb / hp |
| Torque per 100 lb | 11.63 lb-ft / 100 lb to 11.81 lb-ft / 100 lb |
| Displacement per pound | 1.45 cc / lb |
| Weight per 100 cc | 68.8 lb / 100 cc |
| Fuel weight as % of bike weight | 7.6% |
| Weight with full tank | 443.5 lb (201.2 kg) |
What the weight numbers tell you
Yamaha YZF 600 R Thundercat weight FAQ
How much does the Yamaha YZF 600 R Thundercat weigh?
The source data gives 412.3 lb (187 kg) as dry weight. A fueled, road-ready bike will weigh more than this figure.
Are all Yamaha YZF 600 R Thundercat model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 1996, 1998, 2000, 2001, 2002, 2003 years covered here.
What does a full tank of gas weigh on the Yamaha YZF 600 R Thundercat?
A full tank works out to about 31.2 lb (14.2 kg) from the listed 5.02 US gal (19 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha YZF 600 R Thundercat weigh with a 180 lb rider?
The approximate combined total is 592.3 lb (268.6 kg) with a 180 lb rider, based on the representative dry weight used on this page.
Is the Yamaha YZF 600 R Thundercat strong for its weight?
The calculated range is 24.28 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone.
How much heavier will the Yamaha YZF 600 R Thundercat be than its dry weight?
Do not treat dry weight as curb weight. Adding the listed fuel capacity alone produces roughly 443.5 lb (201.2 kg); the true ready-to-ride figure can still differ because dry-weight definitions vary.
How much heavier is the Yamaha YZF 600 R Thundercat with a full tank?
Filling the listed tank brings the calculated bike weight to roughly 443.5 lb (201.2 kg). This estimate is most useful when no official wet/running figure is available.
How much of the Yamaha YZF 600 R Thundercat total weight comes from fuel?
Fuel accounts for roughly 7.6% of the available motorcycle weight figure. On lighter bikes that share can be surprisingly noticeable.
How does Yamaha YZF 600 R Thundercat torque compare with its weight?
Available data gives 11.63 lb-ft per 100 lb to 11.81 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Yamaha Motorsports website.