For the 2002 model year, the Yamaha YZ 426 F motorcycle has a listed dry weight of 231.5 lb (105 kg).
Yamaha YZ 426 F weight overview
This sits at the very light end of motorcycle mass, which is especially useful when the bike has to be moved around by hand or held on uneven ground. 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 YZ 426 F?
dry weight
Using a model-level dry weight comparison, the Yamaha YZ 426 F is heavier than about 81.2% of 8 Yamaha motocross bikes 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 YZ 426 F weight & related specs
| Model years covered | 2002 |
|---|---|
| Dry weight | 231.5 lb (105 kg) |
| Engine displacement | 426 cc |
| Torque | 29.5 lb-ft (40 Nm) |
| Fuel capacity | 2.11 US gal (8 L) |
| Full-tank fuel weight (estimated) | 13.1 lb (6 kg) |
Useful weight calculations
| Torque per 100 lb | 12.74 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.84 cc / lb |
| Weight per 100 cc | 54.3 lb / 100 cc |
| Fuel weight as % of bike weight | 5.7% |
| Weight with full tank | 244.6 lb (111 kg) |
What the weight numbers tell you
Yamaha YZ 426 F weight FAQ
How heavy is the Yamaha YZ 426 F?
Listed dry weight is 231.5 lb (105 kg). Because no usable wet/running figure was supplied, treat that as a lower starting point rather than the exact on-road weight.
Is the Yamaha YZ 426 F heavy compared with other Yamaha motocross bikes?
Relatively speaking, it is on the heavier side. The model sits near the 81st weight percentile in its Yamaha category, so it is heavier than most of the compatible comparison set.
How much does the Yamaha YZ 426 F fuel weigh?
The listed tank capacity is 2.11 US gal (8 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 13.1 lb (6 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha YZ 426 F with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 411.5 lb (186.6 kg) using the representative dry figure. Gear and luggage would add more.
Can I treat the Yamaha YZ 426 F dry weight as curb weight?
No. The usable figure is dry weight, so it excludes at least some operating fluids. Dry weight plus the estimated full fuel load is about 244.6 lb (111 kg), and oil/coolant or definition differences may add more.
How much heavier is the Yamaha YZ 426 F with a full tank?
The page calculates about 244.6 lb (111 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 YZ 426 F torque-to-weight ratio?
The calculated torque-to-weight range is 12.74 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How large is the Yamaha YZ 426 F engine for its weight?
Engine displacement relative to bike weight is 1.84 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Is the Yamaha YZ 426 F above or below the typical Yamaha motocross bike weight?
The model sits about 34.6 lb (15.7 kg) heavier than the compatible median Yamaha motocross bike weight used on this page.
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.