2023 Kawasaki Z 900 Specifications

Name: 2023 Kawasaki Z 900
Brand: Kawasaki

Naked bike • Specs last verified 13 July 2026

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2023 Kawasaki Z 900 Overview

For 2023, Kawasaki offers the Z 900 as a naked bike motorcycle with 948 cc on tap. The 2023 Kawasaki Z 900 is built around an In-line four, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 11.8:1. Internally, bore and stroke are 73.4 x 56 mm. Out on the road, the Z 900 delivers 99.1 Nm @ 7700 Revolutions of torque. In everyday use, the 2023 Z 900 tips the scales at 212.1 kg, carries a 17.03-litre fuel tank, offers a seat height of 800 mm and spans a 1455 mm wheelbase. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2023 Kawasaki Z 900 spec sheet below.

2023 Z 900 - Pros & Cons

Strengths

Fuel injection: No choke, no jetting, no altitude compensation to think about - fuel injection just works across a wider range of conditions than carburetion.

Considerations

Chain final drive upkeep: A chain drivetrain is the most common setup in its class, but it's also the one that demands the most regular hands-on maintenance.

Wear Points & Servicing Notes

Fuelling & injector care

Fuelling on the Z 900 comes from fuel injection. Cold starts and throttle response stay consistent across altitude and temperature, the main practical edge over a carbureted equivalent.

Valve clearance checks

Valve clearances on Double Overhead Cams/Twin Cam (DOHC)-equipped engines like the Z 900's drift slowly with mileage rather than failing suddenly - sticking to the service interval keeps it a non-issue.

Brake disc and pad wear

Double disc. ABS. Four-piston calipers. up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.

Suspension condition on used examples

Suspension duties are handled by 41mm inverted fork with rebound damping and spring preload adjustability. ABS up front and Horizontal back-link, stepless rebound damping, adjustable spring preload. ABS at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.

Final drive maintenance

Chain final drive on the Z 900 means routine lubing and tension checks are part of ownership - skip them and sprocket wear accelerates noticeably.

Frame & chassis check

The Trellis, high tensile steel chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.

Z 900 - Buying & Maintenance Guide

What to check before buying

A pre-purchase check on the 2023 Kawasaki Z 900 should cover the same ground every time: service history, chain and sprocket condition, and any oil seepage around the casings. Start it from cold if you can - a well-kept Z 900 settles to a smooth idle within seconds.

Oil and filter changes

Oil changes are the cheapest insurance you can buy for a Z 900's engine - keep to the manufacturer's interval rather than stretching it. Use the viscosity grade the manual specifies, not whatever's on sale.

Fuel system care

Injector systems like the Z 900's hold up well with basic care - decent fuel, an occasional cleaner additive, and draining old fuel before any layup longer than three months.

Valve clearance service

There's no reliable seat-of-the-pants way to tell if a Z 900's valve clearances are in spec - a light top-end tick is the only real warning sign, and by then some wear has already happened. Service records are the only proof.

2023 Kawasaki Z 900 - Frequently Asked Questions

What engine does the 2023 Kawasaki Z 900 have?

The 2023 Kawasaki Z 900 uses an In-line four, four-stroke engine with 948 cc of displacement.

How much does the 2023 Kawasaki Z 900 weigh?

The 2023 Kawasaki Z 900 weighs 212.1 kg. This is the manufacturer's wet figure.

How much power does the 2023 Kawasaki Z 900 make?

The 2023 Kawasaki Z 900 produces 99.1 Nm @ 7700 Revolutions of torque.

What is the fuel tank capacity of the 2023 Kawasaki Z 900?

The 2023 Kawasaki Z 900 has a 17.03-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 283-340 km between stops.

Is the 2023 Kawasaki Z 900 suitable for shorter riders?

The 2023 Kawasaki Z 900 has a seat height of 800 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 2023 Kawasaki Z 900 have?

The 2023 Kawasaki Z 900 uses Double disc. ABS. Four-piston calipers. at the front and Single disc. ABS. Single-piston caliper. at the rear.

What tyre sizes does the 2023 Kawasaki Z 900 use?

The front tyre size on the 2023 Kawasaki Z 900 is 120/70-ZR17.

Kawasaki Z 900 Spec Evolution

The Kawasaki Z 900 was produced across 8 model years (1976-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	1976	2017	2018	2019	2020	2021	2022	2023
Max Power	81 hp / 59 kW @ 8500 rpm	125 hp / 91.2 kW @ 9500 rpm	125 hp / 91.2 kW @ 9500 rpm	125 hp / 91.2 kW @ 9500 rpm	92.2 kW / 123.6 hp @ 9500 rpm	92.2 kW / 123.6 hp @ 9500 rpm	92.2 kW / 123.6 hp @ 9500 rpm	-
Wet Weight	248 kb / 548 lbs	210 kg / 463.1 lbs	210 kg / 463.1 lbs	210 kg / 463.1 lbs	212 kg / 467.5 lbs	212 kg / 467.5 lbs	212 kg / 467.5 lbs	212.1 kg / 467.5 lbs
Dry Weight	230 kg / 507 lbs	-	-	-	-	-	212 kg / 467.4 lbs	-
Engine Detail	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	-
Seat Height	812.8 mm / 32.0 in.	795 mm / 32.8 in	795 mm / 32.8 in	795 mm / 32.8 in	820 mm / 32.2 in	820 mm / 32.2 in	820 mm / 32.2 in	800 mm / 31.5 in.
Fuel Capacity	18 Litres / 4.7 gal	17 Litres / 4.5 US gal	17 Litres / 4.5 US gal	17 Litres / 4.5 US gal	17 Litres / 4.5 US gal	17 Litres / 4.5 US gal	17 Litres / 4.5 US gal	17.03 litres / 4.50 US gallons
Ground Clearance (mm)	-	130 mm	-	-	130 mm	130 mm	145 mm	145 mm
Ground Clearance (in.)	-	5.1 inches	-	-	5.1 inches	5.1 inches	5.7 inches	5.7 inches

Key Specifications

Engine

In-line four, four-stroke

Power

Not published by manufacturer

Torque

99.1 Nm (10.1 kgf-m or 73.1 ft.lbs) @ 7700 Revolutions

Top Speed

Not published by manufacturer

Weight

212.1 kg / 467.5 lbs

Fuel Capacity

17.03 litres / 4.50 US gallons

Full 2023 Kawasaki Z 900 Specifications

Comments Power Mode Selection. Traction control. Smartphone Connectivity.

Colours Metallic Spark Black/Metallic Graphite Gray/Metallic Flat Spark Black, Metallic Phantom Silver/Metallic Carbon Gray

Warranty 12 Month Limited Warranty

Ground Clearance (mm) 145 mm

Ground Clearance (in.) 5.7 inches

Seat Height 800 mm / 31.5 in.

Wheelbase 1455 mm / 57.3 in.

Height 1080 mm / 42.5 in.

Length 2070 mm / 81.5 in.

Width 826 mm / 32.5 in.

Fuel Capacity 17.03 litres / 4.50 US gallons

Wet Weight 212.1 kg / 467.5 lbs

Max Torque 99.1 Nm (10.1 kgf-m or 73.1 ft.lbs) @ 7700 Revolutions

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Engine Type In-line four, four-stroke

Displacement (ci) 57.85 cubic inches

Displacement (cc) 948.0 cc

Bore x Stroke (mm) 73.4 x 56.0 mm

Bore x Stroke (in,) 2.9 x 2.2 inches

Fuel System Injection. DFI with 36mm Keihin throttle bodies

Compression Ratio 11.8:1

Engine Lubrication Forced lubrication, wet sump

Ignition TCBI with electronic advance

Starter Electric

Valve System 4

Clutch Assist and Slipper Clutch

Final Drive Chain (final drive)

Gearbox 6-speed

Primary Drive Sealed chain

Frame Type Trellis, high tensile steel

Suspension - Front 41mm inverted fork with rebound damping and spring preload adjustability. ABS.

Suspension - Rear Horizontal back-link, stepless rebound damping, adjustable spring preload. ABS.

Rake 24.9°

Trail 109 mm / 4.3 in.

Wheel Travel - Front 119 mm / 4.7 in.

Wheel Travel - Rear 140 mm / 5.5 in.

Instrumentation TFT Color Instrumentation

Lighting system LED headlight

Brakes - Front Double disc. ABS. Four-piston calipers.

Brakes - Rear Single disc. ABS. Single-piston caliper.

Rims Dunlop Sportmax Roadsport 2 tires

Tyres - Front 120/70-ZR17

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.