2009 BMW F 800GS vs 2011 Yamaha XT660R

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2009 BMW F 800GS 2009 BMW F 800GS

Enduro / Off-Road

Engine
Twin
Power
62.5 kW / 85 hp @ 7500 rpm
Top Speed
199.0 km/h / 124 mph
Weight
456.4 pounds
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
Year20092011
ColoursSunset yellow/black satin, Dark magnesium metallic matt-
Make ModelBMW F 800GS Yamaha XT660R
Dimensions
Seat Heigth -Alternate (in.)33.5 inches-
Seat Heigth -Alternate (mm)850 mm-
Seat Height880 mm - 850 mm / 34.6 in. - 33.5 in.865mm / 34.1 in
Wheelbase1577 mm / 62.1 in 1505 mm / 59.3 in
Ground Clearance- 210 mm / 8.3 in
Height1350 mm / 53.1 in (excl. mirrors)1230 mm / 48.4 in
Length2320 mm / 91.3 in2240 mm / 88.1 in
Width945 mm / 37.2 in (incl. mirrors)845 mm / 33.2 in
Weights & Capacities
Dry Weight177.8 kg / 392 lbs172 kg / 379.2 lbs
Fuel Capacity16 Litres / 4.2 US gal.15 Litres / 3.3 US gal
Oil Capacity-2.9 Litres / 0.19 quarts
Wet Weight207 kg / 456 lbs181 kg / 421 lbs
Performance
Top Speed199.0 km/h / 124 mph164.7 km/h / 102.3 mph
Max Power62.5 kW / 85 hp @ 7500 rpm33.8 kW / 48 hp @ 6000 rpm
Max Torque80 Nm / 8.2 kgf-m / 59 lb-ft @ 5750 rpm58.4 Nm / 5.7 kgf-m @ 5250 rpm
Power-to-Weight Ratio0.4566 HP/kg-
Standing Start ¼ Mile12.5 sec14.2 sec
Engine
Engine TypeTwin-
Stroke4-
Fuel ControlDOHC-
Displacement798 cc / 47.7 cub. in.659 cc/ 40.2 cu-in
Engine DetailFour stroke, parallel twin cylinder, DOHC, 4 valves per cylinderFour stroke, single cylinder, SOHC, 4 valve
Fuel SystemInjection. Electronic intake pipe injection / digital engine management (BMS-K)-
Bore x Stroke82 x 75.8 mm100 x 84 mm
Compression Ratio12.0:110.0: 1
Cooling SystemLiquid cooledLiquid cooled
ExhaustEuro 3-
Fuel Consumption5.1 l/100km 19.6 km/l / 45.9 US mpg23 km/lit
Fuel InductionElectronic intake injection, ∅45mm throttle bodiesFuel injection, 44 mm throttle body
Fuel Range312 km / 194 miles-
Fuel Reserve4.00 litres / 1.06 gallons-
IgnitionKnock control and oxygen sensors. TCI
Lubrication-Dry sump
StarterElectricElectric
Valve System4-
Drivetrain
ClutchMultiplate-plate in oil bathWet, multiple-disc coil spring
Final DriveChainChain
Final Drive Ratio1:2.6-
Gear Ratios1st 2.46 / 2nd 1.75 / 3rd 1.38 / 4th 1.17 / 5th 1.04 / 6th 0.96-
Gearbox6-speed-
Transmission / Drive6 Speed 5 Speed
Chassis
Frame TypeTubular frame in steal partly carrying the engineSteel tubular diamond frame with dual tank rails
Suspension - Front∅43mm Marzocchi. Upside down forks43 mm Telescopic forks,
Suspension - RearDouble strut swing arm aluminium coast in one piece,Oscillating arm standard Monocross. 200mm wheel travel
Rake26°27.0°
Trail117 mm / 9.1 in.107 mm / 4.2 in
Wheel Travel - Front230 mm / 9.1 in.225 mm / 8.8 in
Wheel Travel - Rear215 mm / 8.5 in.200 mm / 7.9 in
Wheels & Brakes
Brakes - Front Diameter (in.)11.8 inches-
Brakes - Rear Diameter (mm)265 mm-
Brakes - Front Diameter (mm)300 mm-
Brakes - Rear Diameter (in.)10.4 inches-
Brakes - Front2 x ∅300mm discs, 4 piston calipersSingle 298mm disc 2 piston caliper
Brakes - RearSingle ∅265mm disc, 2 piston caliperSingle 245mm disc 1 piston caliper
Tyres - Front90/90 - 21 54V90/90- 21
Tyres - Rear150/70 - 17 69V130/80-17
WheelsWire spoke-
Wheels - Front2.15 x 21"-
Wheels - Rear4.25 x 17"-

Verdict

Winner on specs

2009 BMW F 800GS

The 2009 BMW F 800GS edges out the 2011 Yamaha XT660R thanks to its dual front discs, higher rear wheel travel and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2009 BMW F 800GS - Advantages

  • Dual front discs: Greater stopping power and better heat management under hard braking.
  • Larger displacement: 798 cc vs 659 cc - more cubic capacity means broader torque delivery and greater low-end pull.
  • More rear wheel travel: 215 mm vs 200 mm - absorbs bigger hits and rough terrain better.

2011 Yamaha XT660R - Advantages

  • Lighter: 181 kg vs 207 kg - easier to handle and less fatiguing on long trips.

2009 BMW F 800GS vs 2011 Yamaha XT660R - FAQs

What are the engine differences between the 2009 BMW F 800GS and 2011 Yamaha XT660R?
The 2009 BMW F 800GS uses Twin, while the 2011 Yamaha XT660R is powered by Four stroke, single cylinder, SOHC, 4 valve.
Which is lighter, the 2009 BMW F 800GS or the 2011 Yamaha XT660R?
The 2011 Yamaha XT660R is lighter at 181 kg compared to 207 kg for the 2009 BMW F 800GS - a difference of 26 kg. This is a meaningful difference that affects handling and rider fatigue.
Which bike is better for shorter riders, the 2009 BMW F 800GS or the 2011 Yamaha XT660R?
The 2011 Yamaha XT660R has the lower seat at 865mm, making it more accessible. The 2009 BMW F 800GS sits higher at 880 mm - 850 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2009 BMW F 800GS or the 2011 Yamaha XT660R?
Both are strong choices. The 2009 BMW F 800GS has the edge in dual front discs and higher rear wheel travel, while the 2011 Yamaha XT660R stands out for lighter kerb weight. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.