1981 BMW R 100RS vs 2023 Yamaha XSR900

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
1981 BMW R 100RS 1981 BMW R 100RS

Classic

Engine
Two cylinder boxer, four-stroke
Power
51 kW / 70 hp / @ 7000 rpm
Top Speed
196 km/h / 121.5 mph
Weight
544.5 pounds
2023 Yamaha XSR900 2023 Yamaha XSR900

Classic

Engine
In-line three, four-stroke
Power
N/A
Top Speed
N/A
Weight
425.5 pounds
Full Specifications
General
Comments-Traction Control.
Year1980 - 81-
Colours-Legend Blue
Make ModelBMW R 100RS-
Warranty-1 Year Limited Factory Warranty.
Dimensions
Width (mm)-860 mm
Width (in.)-33.9 inches
Wheelbase (mm)-1495 mm
Wheelbase (in.)-58.9 inches
Seat Height (mm)-810 mm
Seat Height (in.)-31.9 inches
Length (mm)-2155 mm
Length (in.)-84.8 inches
Height (mm)-1155 mm
Height (in.)-45.5 inches
Ground Clearance (mm)-140 mm
Ground Clearance (in.)-5.5 inches
Seat Height820 mm / 32.3 in-
Wheelbase1465 mm / 57.67 in-
Ground Clearance165 mm / 6.49 in-
Height1300 mm / 51.8 in-
Length2130 mm / 83.8 in-
Width746 mm / 29.37 in-
Weights & Capacities
Oil Capacity (l)-3.50 litres
Oil Capacity (Quarts)-3.7 US quarts
Fuel Capacity (gal.)6.34 gallons3.70 US gallons
Fuel Capacity (l)24.00 litres14.00 litres
Wet Weight (kg)247.0 kg193.0 kg
Wet Weight (lbs.)544.5 pounds425.5 pounds
Fuel Capacity24 Litres / 6.3 US gal-
Wet Weight230 kg / 506 lbs-
Performance
Top Speed (km/h)193.0 km/h-
Top Speed (mph.)119.9 mph-
Top Speed196 km/h / 121.5 mph-
Max Power51 kW / 70 hp / @ 7000 rpm-
Max Torque76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm93.0 Nm (9.5 kgf-m or 68.6 ft.lbs) @ 7000 Revolutions"
Standing Start ¼ Mile13.9 sec / 157 km/h / 97.3 mph-
Engine
Engine TypeTwo cylinder boxer, four-strokeIn-line three, four-stroke
Fuel ControlOHVDouble Overhead Cams/Twin Cam (DOHC)
Bore x Stroke (mm)94.0 x 70.6 mm78.0 x 62.1 mm
Bore x Stroke (in,)3.7 x 2.8 inches3.1 x 2.4 inches
Displacement (cc)979.00 cc890.0 cc
CO2-111.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Displacement (ci)59.74 cubic inches54.31 cubic inches
Displacement980 cc / 59.8 cub in.-
Engine DetailFour stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinderCrossplane crankshaft
Fuel System-Injection
Bore x Stroke94 x 70.6 mm-
Compression Ratio9.5:111.5:1
Cooling SystemAir cooled-
Emissions-Euro 5
Engine Lubrication-Wet sump
Fuel Consumption4.8 L/100 km / 20.8 km/l / 49 US mpg4.80 litres/100 km (20.8 km/l or 49.00 mpg)
Fuel Induction2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106-
IgnitionBattery ignitionTCI
LubricationWet sump-
StarterElectricElectric
Valve System24
Drivetrain
ClutchDry single plate, with diaphragm springMultiplate assist-and-slipper wet clutch
Final DriveShaftChain   (final drive)
Final Drive Gear Ratio (Bevel/Crown Teeth)11/32 teeth or 10/32 teeth-
Gear Ratios1st 3.38 / 2nd 2.43 / 3rd 1.93 / 4th 1.67 / 5th 1.50-
Gearbox5-speed6-speed
Primary Drive-Constant mesh
Transmission / Drive5 Speed -
Chassis
Trail (in.)-4.3 inches
Wheel Travel - Front (in.)-5.1 inches
Wheel Travel - Front (mm)-130 mm
Wheel Travel - Rear (in.)-5.4 inches
Wheel Travel - Rear (mm)-137 mm
Trail (mm)-108 mm
Frame TypeDouble sown tubs, dual cradleDiamond
Suspension - FrontTelescopic fork with hydraulic shock absorber.41mm inverted fork, adjustable preload, compression and rebound
Suspension - RearLong swinging arm with adjustable strut.Single shock, adjustable preload and rebound damping
Rake-25.0°
Seat-Single-piece stepped saddle
Wheel Travel - Front200 mm / 7.8 in-
Wheel Travel - Rear125 mm / 4.9 in-
Electrical Systems
AlternatorBosch 12V/240 W-
Instrumentation-LCD panel
Lighting system-LED headlight
Wheels & Brakes
Brakes - Front2 x ∅260mm discs, 2 piston calipersDouble disc. ABS. Hydraulic.
Brakes - RearSimplex ∅200 mm drumSingle disc. ABS. Hydraulic.
Rims-10-spoke cast aluminum. Bridgestone® Battlax Hypersport S22 tires.
Tyres - Front3.25 - H19120/70-ZR17
Tyres - Rear4.00 - H18-
Wheel Ratio - Rear1:2.91 or 1:3.00-
Wheels - Front2.15 - B19-
Wheels - Rear2.50 - B18-