2011 Yamaha XT660R vs 2025 KTM 790 Adventure

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
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
2025 KTM 790 Adventure 2025 KTM 790 Adventure

Enduro / Off-Road

Engine
Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Power
95hp / 70.8 kW
Top Speed
N/A
Weight
203 kg / 447 lbs
Full Specifications
General
Year20112025
Make ModelYamaha XT660RKTM 790 Adventure
Dimensions
Seat Height865mm / 34.1 in840 mm - 860 mm / 33.0 in - 33.8 in
Wheelbase 1505 mm / 59.3 in1509 mm ± 15 mm / 59.4 ± 0.6 in
Ground Clearance 210 mm / 8.3 in233 mm / 9.2 in
Height1230 mm / 48.4 in-
Length2240 mm / 88.1 in-
Width845 mm / 33.2 in-
Weights & Capacities
Wet Weight (kg)181 203
Dry Weight (kg)172-
Dry Weight172 kg / 379.2 lbs-
Fuel Capacity15 Litres / 3.3 US gal20 Litres / 5.3 US gal
Oil Capacity2.9 Litres / 0.19 quarts-
Wet Weight181 kg / 421 lbs203 kg / 447 lbs
Performance
Top Speed164.7 km/h / 102.3 mph-
Max Power33.8 kW / 48 hp @ 6000 rpm95hp / 70.8 kW
Max Torque58.4 Nm / 5.7 kgf-m @ 5250 rpm87 Nm / 64.1 lb-ft
Standing Start ¼ Mile14.2 sec-
Engine
Displacement659 cc/ 40.2 cu-in799 cc / 48.7 cu-in
Engine DetailFour stroke, single cylinder, SOHC, 4 valveFour stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Bore x Stroke100 x 84 mm88 mm x 65.7 mm
Compression Ratio10.0: 112.5:1
Cooling SystemLiquid cooledLiquid cooled
Emissions-Euro 5
Engine Management-Bosch EMS with RBW
Exhaust-Stainless steel primary and secondary silencer
Fuel Consumption23 km/lit-
Fuel InductionFuel injection, 44 mm throttle bodyDKK Dell'Orto, 46 mm Throttle Body
IgnitionTCI -
LubricationDry sumpForced oil lubrication with 2 oil pumps
StarterElectricElectric
Drivetrain
ClutchWet, multiple-disc coil springPASC (Power Assisted Slipper Clutch) antihopping clutch, mechanically operated
Final DriveChainChain 520 X-Ring
Primary Drive-45:16
Transmission / Drive5 Speed 6 Speed
Chassis
Frame TypeSteel tubular diamond frame with dual tank railsChromium-Molybdenum-Steel frame using the engine as stressed element, powder coated
Suspension - Front43 mm Telescopic forks,WP APEX 43
Suspension - RearOscillating arm standard Monocross. 200mm wheel travelWP APEX - Monoshock
Rake27.0°-
Steering Head Angle-64.1°
Trail107 mm / 4.2 in-
Wheel Travel - Front225 mm / 8.8 in200 mm / 7.9 in
Wheel Travel - Rear200 mm / 7.9 in200 mm / 7.9 in
Wheels & Brakes
Brakes - FrontSingle 298mm disc 2 piston caliper2x 320mm discs, 2x radially mounted 4 piston caliper
Brakes - RearSingle 245mm disc 1 piston caliperSingle 260mm disc, 2 piston floating caliper
ABS-Bosch 9.3 MP (incl. Cornering-ABS and off-road mode, disengageable)
Tyres - Front90/90- 2190/90-21
Tyres - Rear130/80-17150/70-18
Wheels-Spoked wheels with aluminium tubeless rims
Wheels - Front-2.50 x 21
Wheels - Rear-4.50 x 18