Across 10 covered model years from 2009 to 2025, the Yamaha YZ85LW motorcycle has supplied wet/running weights ranging from 156.5 lb (71 kg) to 165.3 lb (75 kg).
Yamaha YZ85LW 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.
Very Light Motorcycle
How heavy is the Yamaha YZ85LW?
wet weight
Using a model-level wet weight comparison, the Yamaha YZ85LW is lighter than about 88.2% of 68 Yamaha enduro/off-road motorcycles with compatible weight data.
Ready-to-ride weight range
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Yamaha YZ85LW weight & related specs
| Model years covered | 2009, 2012, 2013, 2014, 2015, 2017, 2022, 2023, 2024, 2025 |
|---|---|
| Wet / running weight | 156.5 lb (71 kg) to 165.3 lb (75 kg) |
| Engine displacement | 84.7 cc to 85 cc |
| Fuel capacity | 1.32 US gal (5 L) |
| Full-tank fuel weight (estimated) | 8.2 lb (3.7 kg) |
Weight changes by model year
The 2009 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
| Displacement per pound | 0.51 cc / lb to 0.54 cc / lb |
|---|---|
| Weight per 100 cc | 184.8 lb / 100 cc to 194.5 lb / 100 cc |
| Fuel weight as % of bike weight | 5% to 5.2% |
What the weight numbers tell you
Yamaha YZ85LW weight FAQ
How heavy is the Yamaha YZ85LW ready to ride?
Listed ready-to-ride weight is 156.5 lb (71 kg) to 165.3 lb (75 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Yamaha YZ85LW heavy compared with other Yamaha enduro/off-road motorcycles?
It is on the lighter side in this dataset. Its representative wet weight sits around the 12th weight percentile among 68 Yamaha enduro/off-road motorcycles, meaning most compatible models are heavier.
Does the Yamaha YZ85LW weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Yamaha YZ85LW fuel weigh?
The listed tank capacity is 1.32 US gal (5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 8.2 lb (3.7 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha YZ85LW 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 wet/running figure. Gear and luggage would add more.
How much of the Yamaha YZ85LW total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 5% to 5.2% of the motorcycle’s weight.
What is the Yamaha YZ85LW engine-size-to-weight ratio?
Engine displacement relative to bike weight is 0.51 cc per lb to 0.54 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
How far is the Yamaha YZ85LW from the median Yamaha enduro/off-road motorcycle weight?
The model sits about 112.4 lb (51 kg) lighter than the compatible median Yamaha enduro/off-road motorcycle weight used on this page.
Will the Yamaha YZ85LW 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.