Yamaha XT 660 R Supermotard Specs (Top Speed | Horsepower | Weight)

The Yamaha XT 660 R Supermotard motorcycle specifications include a 660 cc (40.27 cu in) engine, a 5-speed gearbox, and a listed weight of 173 kg (381.4 lb).

Key specifications

2006Year released
660 ccDisplacement
58.4 Nm @ 5,950 rpmTorque
173 kgDry weight
875 mmSeat height
15 LFuel tank
1,490 mmWheelbase
205 mmGround clearance

How the Yamaha XT 660 R Supermotard compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Displacement660 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 20% higher than the Yamaha database average. Around the 68th percentile across Yamaha models.

Seat height875 mm
Low 635 mmAverage 793 mmHigh 989 mm

About 10% taller than the Yamaha database average. Around the 89th percentile across Yamaha models.

Fuel capacity15 L
Low 4 LAverage 13 LHigh 24 L

About 15% larger than the Yamaha database average. Around the 61st percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Displacement68th

660 cc — larger displacement than about 68% of Yamaha models.

Seat height89th

875 mm — taller than about 89% of Yamaha models.

Fuel capacity61st

15 L — larger than about 61% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Overall length2,175 mm
This bike

2,175

Yamaha avg

2,082

4% above average.

Overall width860 mm
This bike

860

Yamaha avg

823

4% above average.

Overall height1,210 mm
This bike

1,210

Yamaha avg

1,172

3% above average.

Wheelbase1,490 mm
This bike

1,490

Yamaha avg

1,416

5% above average.

Seat height875 mm
This bike

875

Yamaha avg

793

10% above average.

Ground clearance205 mm
This bike

205

Yamaha avg

181

13% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 660 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,490 mmSeat 875 mmClearance 205 mm
5-speed • Chain (final drive) • 120/70-R17 front / 160/60-R17 rear

Additional useful specifications

Front tire size 120/70-R17
Rear tire size 160/60-R17
Bore/stroke ratio 1.19:1 (Oversquare)

Model information

Year released 2006

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 660 cc (40.27 cu in)
Torque 58.4 Nm (6.0 kgf-m or 43.1 ft.lbs) @ 5,950 rpm
Bore × stroke 100.0 x 84 mm (3.9 x 3.3 inches)
Compression ratio 10.0:1
Valves per cylinder 4
Cooling system Liquid
Fuel system Injection
Fuel control Single Overhead Cams (SOHC)
Ignition TCI
Starter Electric
Lubrication Dry sump

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)
Clutch Wet, multiple disc

Chassis and suspension

Front suspension Telescopic fork
Rear suspension Monocross with linkage
Front wheel travel 200 mm (7.9 inches)
Rear wheel travel 125 mm (4.9 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 120/70-R17
Rear tire 160/60-R17

Dimensions and weight

Dry weight 173 kg (381.4 lb)
Seat height 875 mm (34.4 inches)
Overall length 2,175 mm (85.6 inches)
Overall width 860 mm (33.9 inches)
Overall height 1,210 mm (47.6 inches)
Wheelbase 1,490 mm (58.7 inches)
Ground clearance 205 mm (8.1 inches)

Fuel and emissions

Fuel capacity 15.00 L (3.96 US gal)

Performance

Power/weight ratio 0.2736 hp/kg

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.