1981 BMW R 100RS vs 2023 Kawasaki Z 650RS

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 Kawasaki Z 650RS 2023 Kawasaki Z 650RS

Classic

Engine
Twin, four-stroke
Power
N/A
Top Speed
N/A
Weight
412.3 pounds
Full Specifications
General
Comments-Smartphone Connectivity.
Year1980 - 81-
Colours-Metallic Moondust Gray/Ebony
Make ModelBMW R 100RS-
Warranty-12 Month Limited Warranty
Dimensions
Width (mm)-765 mm
Wheelbase (in.)-55.3 inches
Seat Height (mm)-800 mm
Seat Height (in.)-31.5 inches
Length (mm)-2065 mm
Length (in.)-81.3 inches
Height (mm)-1115 mm
Height (in.)-43.9 inches
Ground Clearance (mm)-124 mm
Ground Clearance (in.)-4.9 inches
Width (in.)-30.1 inches
Wheelbase (mm)-1405 mm
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
Wet Weight (lbs.)544.5 pounds412.3 pounds
Wet Weight (kg)247.0 kg187.0 kg
Fuel Capacity (l)24.00 litres15.14 litres
Fuel Capacity (gal.)6.34 gallons4.00 US gallons
Fuel Capacity24 Litres / 6.3 US gal-
Wet Weight230 kg / 506 lbs-
Performance
Maximum RPM-12500
Top Speed (mph.)119.9 mph-
Top Speed (km/h)193.0 km/h-
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 rpm65.7 Nm (6.7 kgf-m or 48.5 ft.lbs) @ 6500 Revolutions"
Standing Start ¼ Mile13.9 sec / 157 km/h / 97.3 mph-
Engine
Bore x Stroke (in,)3.7 x 2.8 inches3.3 x 2.4 inches
Bore x Stroke (mm)94.0 x 70.6 mm83.0 x 60.0 mm
Displacement (cc)979.00 cc649.0 cc
Displacement (ci)59.74 cubic inches39.60 cubic inches
Engine TypeTwo cylinder boxer, four-strokeTwin, four-stroke
Fuel ControlOHVDouble Overhead Cams/Twin Cam (DOHC)
CO2-103.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Displacement980 cc / 59.8 cub in.-
Engine DetailFour stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinderDie-cast aluminium cylinder and lightweight coated pistons
Fuel System-Injection. DFI® with Keihin 36mm Keihin throttle bodies
Bore x Stroke94 x 70.6 mm-
Compression Ratio9.5:110.8:1
Cooling SystemAir cooled-
Engine Lubrication-Forced lubrication, semi dry sump
Fuel Consumption4.8 L/100 km / 20.8 km/l / 49 US mpg4.44 litres/100 km (22.5 km/l or 52.98 mpg)
Fuel Induction2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106-
IgnitionBattery ignitionTCBI with electronic advance
LubricationWet sump-
StarterElectricElectric
Valve System2-
Drivetrain
ClutchDry single plate, with diaphragm springAssist and Slipper 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-Sealed chain
Transmission / Drive5 Speed -
Chassis
Wheel Travel - Front (mm)-124 mm
Trail (mm)-100 mm
Trail (in.)-3.9 inches
Wheel Travel - Rear (mm)-130 mm
Wheel Travel - Rear (in.)-5.1 inches
Wheel Travel - Front (in.)-4.9 inches
Frame TypeDouble sown tubs, dual cradleTrellis, high-tensile steel
Suspension - FrontTelescopic fork with hydraulic shock absorber.41 mm telescopic fork
Suspension - RearLong swinging arm with adjustable strut.Horizontal Back-link with preload adjustment
Rake-24.0°
Wheel Travel - Front200 mm / 7.8 in-
Wheel Travel - Rear125 mm / 4.9 in-
Electrical Systems
AlternatorBosch 12V/240 W-
Instrumentation-Dual-dial instrumentation with multi-function LCD screen
Lighting system-Round LED headlight
Wheels & Brakes
Brakes - Front2 x ∅260mm discs, 2 piston calipersDouble disc. Petal-type rotors with two-piston calipers. ABS.
Brakes - RearSimplex ∅200 mm drumSingle disc. Petal disc. Single-piston. ABS.
Rims-Spoke-style cast wheels. Dunlop Sportmax Roadsport 2 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-