Across 7 covered model years from 2008 to 2015, the Yamaha XT660R motorcycle has supplied wet/running weights ranging from 399 lb (181 kg) and dry weights ranging from 363.8 lb (165 kg) to 379.2 lb (172 kg), depending on model year.
Yamaha XT660R weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass.
Middleweight Motorcycle
How heavy is the Yamaha XT660R?
wet weight
Using a model-level wet weight comparison, the Yamaha XT660R is heavier than about 86% of 68 Yamaha enduro/off-road motorcycles with compatible weight data.
Dry vs ready-to-ride weight
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Yamaha XT660R weight & related specs
| Model years covered | 2008, 2009, 2011, 2012, 2013, 2014, 2015 |
|---|---|
| Wet / running weight | 399 lb (181 kg) |
| Dry weight | 363.8 lb (165 kg) to 379.2 lb (172 kg) |
| Engine displacement | 660 cc |
| Power | 47.3 hp |
| Torque | 44.3 lb-ft (60 Nm) |
| Fuel capacity | 3.96 US gal (15 L) |
| Full-tank fuel weight (estimated) | 24.6 lb (11.2 kg) |
Weight changes by model year
The 2008 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 | 11.85 hp / 100 lb |
|---|---|
| Pounds per horsepower | 8.44 lb / hp |
| Torque per 100 lb | 11.09 lb-ft / 100 lb to 11.67 lb-ft / 100 lb |
| Displacement per pound | 1.65 cc / lb to 1.74 cc / lb |
| Weight per 100 cc | 57.5 lb / 100 cc to 60.5 lb / 100 cc |
| Fuel weight as % of bike weight | 6.2% to 6.5% |
| Weight with full tank | 388.4 lb (176.2 kg) to 403.8 lb (183.2 kg) |
What the weight numbers tell you
Yamaha XT660R weight FAQ
How much does the Yamaha XT660R weigh?
For the model years covered here, wet/running weight is 399 lb (181 kg), while dry weight is 363.8 lb (165 kg) to 379.2 lb (172 kg). Do not treat dry and wet figures as interchangeable.
How does the Yamaha XT660R weight compare with similar Yamahas?
It is on the heavier side. Its representative wet weight is around the 86th percentile among 68 compatible Yamaha enduro/off-road motorcycles.
Are all Yamaha XT660R model years the same weight?
There are year-to-year differences in the supplied data. The earliest covered year is used as the baseline, with later changed values shown separately above.
What does a full tank of gas weigh on the Yamaha XT660R?
A full tank works out to about 24.6 lb (11.2 kg) from the listed 3.96 US gal (15 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha XT660R weigh with a 180 lb rider?
The approximate combined total is 579 lb (262.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Yamaha XT660R strong for its weight?
The calculated range is 11.85 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 75th percentile within the compatible Yamaha enduro / offroad power-to-weight comparison.
What is the Yamaha XT660R full-tank weight estimate?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 388.4 lb (176.2 kg) to 403.8 lb (183.2 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
What is the difference between Yamaha XT660R dry and wet weight?
Available years with both measurements show about 35.3 lb (16 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.
How much torque does the Yamaha XT660R have per 100 lb?
Available data gives 11.09 lb-ft per 100 lb to 11.67 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.