2025 BMW R 1300RS vs 2023 Kawasaki Z 900

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2025 BMW R 1300RS 2025 BMW R 1300RS

Naked bike

Engine
Four stroke, two cylinder horizontally opposed Boxer, with two overhead spur gear driven camshafts, a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, intake 44mm, outlet 35.6 mm
Power
107kW / 145hp @ 7750 rpm
Top Speed
N/A
Weight
245 kg / 540 lbs
2023 Kawasaki Z 900 2023 Kawasaki Z 900

Naked bike

Engine
In-line four, four-stroke
Power
N/A
Top Speed
N/A
Weight
467.5 pounds
Full Specifications
General
Comments-Power Mode Selection. Traction control. Smartphone Connectivity.
Year2025-
Colours-Metallic Spark Black/Metallic Graphite Gray/Metallic Flat Spark Black, Metallic Phantom Silver/Metallic Carbon Gray
Make ModelBMW R 1300RS-
Warranty-12 Month Limited Warranty
Dimensions
Ground Clearance (mm)-145 mm
Ground Clearance (in.)-5.7 inches
Seat Height790/815 mm / 31.1/32.1 in800 mm / 31.5 in.
Wheelbase1523 mm / 60 in1455 mm / 57.3 in.
Height-1080 mm / 42.5 in.
Length2138 mm / 84.2 in2070 mm / 81.5 in.
Width846 mm / 33.3 in826 mm / 32.5 in.
Weights & Capacities
Fuel Capacity17 Litres / 4.5 US gal17.03 litres / 4.50 US gallons
Wet Weight245 kg / 540 lbs212.1 kg / 467.5 lbs
Performance
Max Power107kW / 145hp @ 7750 rpm-
Max Torque149 Nm / 110 lb-ft @ 6500 rpm99.1 Nm (10.1 kgf-m or 73.1 ft.lbs) @ 7700 Revolutions"
Engine
Fuel Control-Double Overhead Cams/Twin Cam (DOHC)
Displacement (cc)-948.0 cc
Displacement (ci)-57.85 cubic inches
Engine Type-In-line four, four-stroke
Bore x Stroke (in,)-2.9 x 2.2 inches
Bore x Stroke (mm)-73.4 x 56.0 mm
Displacement1300 cc / 79 cu-in-
Engine DetailFour stroke, two cylinder horizontally opposed Boxer, with two overhead spur gear driven camshafts, a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, intake 44mm, outlet 35.6 mm-
Fuel System-Injection. DFI with 36mm Keihin throttle bodies
Bore x Stroke106.5 x 73 mm-
Compression Ratio13.3:111.8:1
Cooling SystemLiquid / Air cooled-
EmissionsClosed-loop 3-way catalytic converter, EU5+-
Engine Lubrication-Forced lubrication, wet sump
Engine ManagementBMS-O-
Fuel InductionElectronic intake pipe injection, 52mm Ø throttle valve -
Fuel TypeUnleaded super, octane number 95 (RON)-
Ignition-TCBI with electronic advance
StarterElectricElectric
Valve System-4
EV Specifics
Battery Capacity12 V / 10Ah, maintenance-free-
Drivetrain
ClutchWet clutch with anti-hopping function, hydraulically activatedAssist and Slipper Clutch
Final DriveShaftChain   (final drive)
Gear Ratios1st 2.438 2nd 1.714 3rd. 1.296 4th 1.059 5th 0.906 6th 0.794-
Gearbox-6-speed
Primary Drive-Sealed chain
Primary Drive Ratios1.479-
Secondary Drive Ratio2.818-
Transmission / DriveClaw-shift 6-speed gearbox-
Chassis
Frame TypeSteel, two-section with bolt on rear frame, load bearing engineTrellis, high tensile steel
Suspension - Front47 mm Upside down fork41mm inverted fork with rebound damping and spring preload adjustability. ABS.
Suspension - RearCast aluminium single-sided swing arm with BMW Motorrad EVO Paralever; WAD strut (travel-related damping), springHorizontal back-link, stepless rebound damping, adjustable spring preload. ABS.
Rake-24.9°
Steering Angle64°-
Trail122.5 mm / 4.8 in109 mm / 4.3 in.
Wheel Travel - Front140 mm / 5.5 in119 mm / 4.7 in.
Wheel Travel - Rear130 mm / 5.1 in140 mm / 5.5 in.
Electrical Systems
Instrumentation-TFT Color Instrumentation
Lighting system-LED headlight
Wheels & Brakes
Brakes - Front2 x 310mm floating discs, 4-piston radial brake calipersDouble disc. ABS. Four-piston calipers.
Brakes - RearSingle 285mm disc, 2-piston floating caliperSingle disc. ABS. Single-piston caliper.
ABSBMW Motorrad Integral ABS Pro (full-integral, lean angle optimized)-
Rims-Dunlop Sportmax Roadsport 2 tires
Tyres - Front120/70 ZR17120/70-ZR17
Tyres - Rear190/55 ZR17-
WheelsCast light alloy-
Wheels - Front3.50 x 17″-
Wheels - Rear6.00 x 17″-

Verdict

Winner on specs

2025 BMW R 1300RS

The 2025 BMW R 1300RS edges out the 2023 Kawasaki Z 900 thanks to its liquid cooling, standard ABS and higher front wheel travel. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2025 BMW R 1300RS - Advantages

  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.
  • More front wheel travel: 140 mm vs 119 mm - greater compliance over rough surfaces.

2023 Kawasaki Z 900 - Advantages

  • More rear wheel travel: 140 mm vs 130 mm - absorbs bigger hits and rough terrain better.

2025 BMW R 1300RS vs 2023 Kawasaki Z 900 - FAQs

What are the engine differences between the 2025 BMW R 1300RS and 2023 Kawasaki Z 900?
The 2025 BMW R 1300RS uses Four stroke, two cylinder horizontally opposed Boxer, with two overhead spur gear driven camshafts, a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, intake 44mm, outlet 35.6 mm, while the 2023 Kawasaki Z 900 is powered by In-line four, four-stroke.
Does the 2025 BMW R 1300RS or 2023 Kawasaki Z 900 have ABS?
The 2025 BMW R 1300RS is listed with ABS as standard. The 2023 Kawasaki Z 900 does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2025 BMW R 1300RS or the 2023 Kawasaki Z 900?
Both are strong choices. The 2025 BMW R 1300RS has the edge in liquid cooling and standard ABS, while the 2023 Kawasaki Z 900 stands out for higher rear wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.