Across the 2002 and 2006 model years, the Yamaha RZ 50 motorcycle has a listed dry weight of 176.4 lb (80 kg).
Yamaha RZ 50 weight overview
This is a genuinely light bike. That usually makes parking, pushing it around a garage and catching small low-speed balance errors easier than on larger motorcycles. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Very Light Motorcycle
How heavy is the Yamaha RZ 50?
dry weight
Using a model-level dry weight comparison, the Yamaha RZ 50 is lighter than about 88.6% of 110 Yamaha motorcycles with compatible weight data.
Dry weight
Bike + rider total weight
These totals use the model’s representative dry weight. They exclude riding gear, luggage and a passenger.
Yamaha RZ 50 weight & related specs
| Model years covered | 2002, 2006 |
|---|---|
| Dry weight | 176.4 lb (80 kg) |
| Engine displacement | 49 cc |
| Torque | 4.4 lb-ft (5.9 Nm) |
| Fuel capacity | 2.64 US gal (10 L) |
| Full-tank fuel weight (estimated) | 16.4 lb (7.5 kg) |
Weight changes by model year
Useful weight calculations
| Torque per 100 lb | 2.47 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 0.28 cc / lb |
| Weight per 100 cc | 359.9 lb / 100 cc |
| Fuel weight as % of bike weight | 9.3% |
| Weight with full tank | 192.8 lb (87.5 kg) |
What the weight numbers tell you
Yamaha RZ 50 weight FAQ
How much does the Yamaha RZ 50 weigh?
The source data gives 176.4 lb (80 kg) as dry weight. A fueled, road-ready bike will weigh more than this figure.
How does the Yamaha RZ 50 weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 88.6% of 110 Yamaha motorcycles with the same weight basis.
Are all Yamaha RZ 50 model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 2002 and 2006 years covered here.
What does a full tank of gas weigh on the Yamaha RZ 50?
A full tank works out to about 16.4 lb (7.5 kg) from the listed 2.64 US gal (10 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha RZ 50 weigh with a 180 lb rider?
The approximate combined total is 356.4 lb (161.6 kg) with a 180 lb rider, based on the representative dry weight used on this page.
How much heavier will the Yamaha RZ 50 be than its dry weight?
Do not treat dry weight as curb weight. Adding the listed fuel capacity alone produces roughly 192.8 lb (87.5 kg); the true ready-to-ride figure can still differ because dry-weight definitions vary.
What is the Yamaha RZ 50 full-tank weight estimate?
The page calculates about 192.8 lb (87.5 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Yamaha curb-weight number.
What is the Yamaha RZ 50 torque-to-weight ratio?
Available data gives 2.47 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
How large is the Yamaha RZ 50 engine for its weight?
The model has about 0.28 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
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.