14 August. Friday 2026
Yamaha XT660R - 2015 Specifications and Reviews
The 2015 Yamaha XT660R is a versatile middleweight naked bike designed for riders seeking a capable all-rounder with genuine off-road capability. Its air-cooled parallel-twin engine, responsive handling, and comfortable ergonomics make it ideal for both commuting and light adventure riding. Known for its durability, fuel efficiency, and approachable character, the XT660R appeals to riders transitioning from smaller bikes or exploring unpaved terrain without sacrificing everyday usability.
General information | |
| Category | Enduro / offroad |
| Year | 2015 |
| Model | Yamaha XT660R |
| | |
Engine and Transmission Specifications | |
| Driveline | Constant Mesh, 5-speed |
| Clutch | Wet, multiple-disc coil spring |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Dry sump |
| Ignition | TCI |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection |
| Valves per cylinder | 4 |
| Bore x Stroke | 100.0 x 84.0 mm (3.9 x 3.3 inches) |
| Compression | 10.0:1 |
| Torque | 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 6100 RPM |
| Power | 47.34 HP (34.6 kW) @ 6000 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 660.00 ccm (40.27 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc. Hydraulic |
| Front brakes diameter | 298 mm (11.7 inches) |
| Front brakes | Single disc. Hydraulic |
| Rear tyre | 130/80-17 |
| Front tyre | 90/90-21 |
| Rear wheel travel | 200 mm (7.9 inches) |
| Rear Suspension | Linked monoshock with spring preload adjustment |
| Front wheel travel | 225 mm (8.9 inches) |
| Front Suspension | Telescopic forks |
| Trail | 107 mm (4.2 inches) |
| Rake (fork angle) | 27.0° |
| Frame type | Steel tube, diamond shaped |
Physical measures and capacities | |
| Oil capacity | 2.90 litres (0.19 quarts) |
| Fuel capacity | 15.00 litres (3.96 gallons) |
| Wheelbase | 1,505 mm (59.3 inches) |
| Ground clearance | 210 mm (8.3 inches) |
| Overall width | 845 mm (33.3 inches) |
| Overall length | 2,240 mm (88.2 inches) |
| Overall height | 1,230 mm (48.4 inches) |
| Seat height | 875 mm (34.4 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2869 HP/kg |
| Weight incl. oil, gas, etc | 181.0 kg (399.0 pounds) |
| Dry weight | 165.0 kg (363.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | A limited power version is available in some countries. |
| Starter | Electric |
| Color options | Yamaha Black, Sports White |
Performance Profile & Rider Fit
47.3 hp
Peak Power
5.8s
0-60 mph
Best For
Track25%
City60%
Cornering60%
Daily Riding55%
Touring40%
Passenger30%
Rider Profile
| Best For | Suited to intermediate to experienced riders comfortable with a tall, torquey single-cylinder machine that demands active riding input. |
| Purpose | Built primarily as a supermoto-styled enduro for mixed on/off-road use, mixing light dirt capability with sharp street handling. |
| Rider Fit | The tall 875mm seat height and 165kg dry weight require reasonable rider height and confidence when standing or paddling at low speed. |
| Character | A gutsy, characterful big single that rewards momentum-based riding with strong low-end torque and agile, narrow handling. |
| Not Ideal For | Not ideal for riders seeking high-speed touring comfort, plush ride quality, or a smooth two-up passenger experience. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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