For the 1989 model year, the Yamaha LB 70 Chappy motorcycle has a listed dry weight of 160.9 lb (73 kg).
Yamaha LB 70 Chappy 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 LB 70 Chappy?
dry weight
Using a model-level dry weight comparison, the Yamaha LB 70 Chappy is lighter than about 95% 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 LB 70 Chappy weight & related specs
| Model years covered | 1989 |
|---|---|
| Dry weight | 160.9 lb (73 kg) |
| Engine displacement | 65 cc |
| Torque | 4.4 lb-ft (5.9 Nm) |
| Fuel capacity | 0.92 US gal (3.5 L) |
| Full-tank fuel weight (estimated) | 5.7 lb (2.6 kg) |
Useful weight calculations
| Torque per 100 lb | 2.7 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 0.4 cc / lb |
| Weight per 100 cc | 247.6 lb / 100 cc |
| Fuel weight as % of bike weight | 3.6% |
| Weight with full tank | 166.7 lb (75.6 kg) |
What the weight numbers tell you
Yamaha LB 70 Chappy weight FAQ
How heavy is the Yamaha LB 70 Chappy?
Listed dry weight is 160.9 lb (73 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 LB 70 Chappy heavy compared with other Yamaha motorcycles?
It is on the lighter side in this dataset. Its representative dry weight sits around the 5th weight percentile among 110 Yamaha motorcycles, meaning most compatible models are heavier.
How much does the Yamaha LB 70 Chappy fuel weigh?
The listed tank capacity is 0.92 US gal (3.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 5.7 lb (2.6 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha LB 70 Chappy with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 340.9 lb (154.6 kg) using the representative dry figure. Gear and luggage would add more.
Can I treat the Yamaha LB 70 Chappy 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 166.7 lb (75.6 kg), and oil/coolant or definition differences may add more.
How much torque does the Yamaha LB 70 Chappy have per 100 lb?
The calculated torque-to-weight range is 2.7 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
What is the Yamaha LB 70 Chappy displacement per pound?
Engine displacement relative to bike weight is 0.4 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
What is the Yamaha LB 70 Chappy weight difference versus the category median?
The model sits about 130.1 lb (59 kg) lighter than the compatible median Yamaha motorcycle weight used on this page.
Will the Yamaha LB 70 Chappy feel heavy at low speed?
Its low mass should make hand-moving and parking easier than on most full-size road motorcycles. Seat height and center of mass can still change how manageable it feels.
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.