MotoSpecs

2003 BMW F 650GS vs 2011 Yamaha XT660R

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2003 BMW F 650GS 2003 BMW F 650GS

Enduro / Off-Road

Engine
Single cylinder
Power
37.3 kW / 50 hp @ 6800 rpm
Top Speed
183.4 km/h / 114 mph
Weight
191 kg / 421.1 lbs.
2011 Yamaha XT660R 2011 Yamaha XT660R

Enduro / Off-Road

Engine
Four stroke, single cylinder, SOHC, 4 valve
Power
33.8 kW / 48 hp @ 6000 rpm
Top Speed
164.7 km/h / 102.3 mph
Weight
181 kg / 421 lbs
Full Specifications
General
Year20032011
ColoursBlack, Red, Orange, Blue-
Make ModelBMW F 650GSYamaha XT660R
Dimensions
Seat Height780 mm / 30.7 in.865mm / 34.1 in
Wheelbase1479 mm / 58.2 in. 1505 mm / 59.3 in
Ground Clearance- 210 mm / 8.3 in
Height1265 mm / 49.8 in.1230 mm / 48.4 in
Length2175 mm / 85.6 in.2240 mm / 88.1 in
Width910 mm / 35.8 in.845 mm / 33.2 in
Weights & Capacities
Dry Weight176 kg / 388 lbs.172 kg / 379.2 lbs
Fuel Capacity17.3 Litres / 4.6 US gal.15 Litres / 3.3 US gal
Oil Capacity-2.9 Litres / 0.19 quarts
Wet Weight191 kg / 421.1 lbs.181 kg / 421 lbs
Performance
Top Speed183.4 km/h / 114 mph164.7 km/h / 102.3 mph
Max Power37.3 kW / 50 hp @ 6800 rpm33.8 kW / 48 hp @ 6000 rpm
Max Torque60 Nm / 6.12 kgf-m / 44.25 lb-ft. @ 5200 rpm58.4 Nm / 5.7 kgf-m @ 5250 rpm
Power-to-Weight Ratio0.2591 HP/kg-
Standing Start ¼ Mile13.4 sec14.2 sec
Engine
Engine TypeSingle cylinder-
Stroke4-
Displacement652 cc / 39.8 cub. in.659 cc/ 40.2 cu-in
Engine DetailFour stroke, single cylinder, DOHC, 4 valves per cylinderFour stroke, single cylinder, SOHC, 4 valve
Bore x Stroke100 x 83mm100 x 84 mm
Compression Ratio11.5:110.0: 1
Cooling SystemLiquid cooledLiquid cooled
Fuel Consumption4.7 l/100 km / 60.5 US mpg23 km/lit
Fuel InductionFuel inductionFuel injection, 44 mm throttle body
Fuel Range370.2 kms / 230 miles-
Fuel ReserveApprox. 4.5 Litres / 1.2 US gal.-
IgnitionCapacitor Discharge Ignition system TCI
LubricationDry sumpDry sump
StarterElectricElectric
EV Specifics
Battery Capacity12V / 12Ah-
Drivetrain
ClutchMultiple-disc clutch in oil bath, mechanically operatedWet, multiple-disc coil spring
Final DriveChainChain
Gear Ratios1st 2.75 / 2nd 1.75 / 3rd 1.31 / 4th 1.05 / 5th 0.88:1-
Transmission / Drive5 Speed 5 Speed
Chassis
Frame TypeBridge-type steel section frame with bolted-on rear sectionSteel tubular diamond frame with dual tank rails
Suspension - Front41mm Telescopic fork with stabilizer bridge43 mm Telescopic forks,
Suspension - RearSpring setting and rebound stage damping continuously adjustableOscillating arm standard Monocross. 200mm wheel travel
Rake-27.0°
Steering Head Angle60.8°-
Trail123 mm / 4.8 in.107 mm / 4.2 in
Wheel Travel - Front170 mm / 6.6 in225 mm / 8.8 in
Wheel Travel - Rear165 mm / 6.4 in200 mm / 7.9 in
Electrical Systems
AlternatorThree-phase alternator 400W-
Wheels & Brakes
Brakes - FrontSingle ∅300mm disc, 2 piston caliperSingle 298mm disc 2 piston caliper
Brakes - RearSingle ∅240mm disc, 1 piston caliperSingle 245mm disc 1 piston caliper
Tyres - Front100/90-19 90/90- 21
Tyres - Rear130/80-17 130/80-17
WheelsWire spoke wheels-
Wheels - Front2.50 x 19-
Wheels - Rear3.00 x 17-

Verdict

Winner on specs

2011 Yamaha XT660R

The 2011 Yamaha XT660R edges out the 2003 BMW F 650GS thanks to its lighter kerb weight, fuel injection, higher rear wheel travel and higher front wheel travel. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2003 BMW F 650GS - Advantages

  • Lower seat height: 780 mm vs 865mm - accessible to a wider range of rider heights.

2011 Yamaha XT660R - Advantages

  • Lighter: 181 kg vs 191 kg - easier to handle and less fatiguing on long trips.
  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • More rear wheel travel: 200 mm vs 165 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 225 mm vs 170 mm - greater compliance over rough surfaces.

2003 BMW F 650GS vs 2011 Yamaha XT660R - FAQs

What are the engine differences between the 2003 BMW F 650GS and 2011 Yamaha XT660R?
The 2003 BMW F 650GS uses Single cylinder, while the 2011 Yamaha XT660R is powered by Four stroke, single cylinder, SOHC, 4 valve.
Which is lighter, the 2003 BMW F 650GS or the 2011 Yamaha XT660R?
The 2011 Yamaha XT660R is lighter at 181 kg compared to 191 kg for the 2003 BMW F 650GS - a difference of 10 kg. This is a small difference unlikely to be a deciding factor in everyday riding.
Which bike is better for shorter riders, the 2003 BMW F 650GS or the 2011 Yamaha XT660R?
The 2003 BMW F 650GS has the lower seat at 780 mm, making it more accessible. The 2011 Yamaha XT660R sits higher at 865mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2003 BMW F 650GS or the 2011 Yamaha XT660R?
Both are strong choices. The 2003 BMW F 650GS has the edge in lower seat height, while the 2011 Yamaha XT660R stands out for lighter kerb weight and fuel injection. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

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