2019 Kawasaki Z 900RS Specifications

Name: 2019 Kawasaki Z 900RS
Brand: Kawasaki

Naked bike • Specs last verified 13 July 2026

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2019 Kawasaki Z 900RS Overview

The 2019 Kawasaki Z 900RS is a naked bike motorcycle built around 948 cc of displacement. Under the tank sits an In-line four, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 11.8:1. 2019 Kawasaki Z 900RS delivers 110 hp @ 8500rpm of peak power and 98 Nm @ 7700 rpm of torque. From a practical standpoint, the 2019 Z 900RS tips the scales at 210 kg, carries a 17-litre fuel tank, offers a seat height of 795 mm and spans a 1470 mm wheelbase. Scroll down for the complete 2019 Kawasaki Z 900RS spec sheet covering every technical detail from suspension travel to tyre sizes.

2019 Z 900RS - Pros & Cons

Strengths

Strong power output: 2019 Kawasaki Z 900RS makes 110 hp @ 8500rpm with 98 Nm @ 7700 rpm of torque - competitive figures for its class.

Considerations

Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.

Wear Points & Servicing Notes

Cooling system servicing

The Liquid cooled system on the Z 900RS needs a coolant change roughly every two years (or per the service schedule) - skipping it lets the coolant turn acidic and corrode the aluminium water passages over time.

Valve clearance checks

Double Overhead Cams/Twin Cam (DOHC) valve actuation on the Z 900RS means clearances should be checked at the manufacturer's specified interval - they can tighten as mileage accumulates, and a light top-end tick is usually the first sign.

Brake disc and pad wear

The 2x semi-floating 300 mm discs 4 piston calipers front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.

Suspension condition on used examples

Up front, the Z 900RS runs 41mm inverted fork with compression and rebound damping and spring preload adjustability and Horizontal Back-link, gas-charged shock with rebound and preload adjustability at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.

Final drive maintenance

Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.

Frame & chassis check

The frame is High-tensile steel trellis. - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.

Z 900RS - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2019 Kawasaki Z 900RS, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained Z 900RS should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any Z 900RS. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

Carburetor upkeep

Keep the carburetors clean and free of deposits. If the Z 900RS has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.

Valve clearance service

Check that valve clearances have been adjusted at the correct intervals on any used Z 900RS. A bike with clearances out of spec doesn't always feel obviously wrong - but tight clearances accelerate valve seat wear. Ask for service documentation proving it's been done.

2019 Kawasaki Z 900RS - Frequently Asked Questions

What engine does the 2019 Kawasaki Z 900RS have?

The 2019 Kawasaki Z 900RS uses an In-line four, four-stroke engine with 948 cc of displacement. It is liquid cooled.

How much does the 2019 Kawasaki Z 900RS weigh?

The 2019 Kawasaki Z 900RS weighs 210 kg. This is the manufacturer's wet figure.

How much power does the 2019 Kawasaki Z 900RS make?

The 2019 Kawasaki Z 900RS produces 110 hp @ 8500rpm of power and 98 Nm @ 7700 rpm of torque. These are peak figures.

What is the fuel tank capacity of the 2019 Kawasaki Z 900RS?

The 2019 Kawasaki Z 900RS has a 17-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 283-340 km between stops.

Is the 2019 Kawasaki Z 900RS suitable for shorter riders?

The 2019 Kawasaki Z 900RS has a seat height of 795 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 2019 Kawasaki Z 900RS have?

The 2019 Kawasaki Z 900RS uses 2x semi-floating 300 mm discs 4 piston calipers at the front and Single 220mm disc 1 piston caliper at the rear.

What tyre sizes does the 2019 Kawasaki Z 900RS use?

The 2019 Kawasaki Z 900RS runs 120/70 ZR17 front and 180/55ZR17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 2019 Kawasaki Z 900RS have?

The 2019 Kawasaki Z 900RS is fitted with a 6 Speed transmission.

Kawasaki Z 900RS Spec Evolution

The Kawasaki Z 900RS was produced across 7 model years (2018-2026). 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	2018	2019	2020	2021	2022	2023	2026
Max Power	110 hp / 82 kW @ 8500rpm	110 hp / 82 kW @ 8500rpm	110 hp / 82 kW @ 8500rpm	110 hp / 82 kW @ 8500rpm	110 hp / 82 kW @ 8500 rpm	-	114 hp / 85 kW @ 9300 rpm
Wet Weight	210 kg / 463 lbs	210 kg / 463 lbs	215 kg / 474 lbs	215 kg / 474 lbs	215 kg / 474 lbs	215.1 kg / 474.1 lbs	216 kg / 476 lbs
Seat Height	795 mm / 31.3 in	795 mm / 31.3 in	820 mm / 32.2 in	820 mm / 32.2 in	845 mm / 33.2 in	836 mm / 32.9 in.	836 mm / 32.9 in
Fuel Capacity	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	17 Litres / 4.5 US gal
Frame Type	High-tensile steel trellis.	High-tensile steel trellis.	High-tensile steel trellis.	High-tensile steel trellis.	High-tensile steel trellis.	Trellis, high tensile steel	High-tensile steel trellis
Brakes - Front	2x semi-floating 300 mm discs 4 piston calipers	2x semi-floating 300 mm discs 4 piston calipers	2x 300 mm semi-floating discs, dual opposed 4 piston calipers	2x 300 mm semi-floating discs, dual opposed 4 piston calipers	2x 300 mm semi-floating discs, dual opposed 4 piston calipers	Double disc. ABS. Four-piston calipers.	Z900 RS: 2 x 300mm discs with radial-mount four-piston monoblock calipers and ABS Z900 RS SE: 2 x 300 mm Brembo disc, Dual Brembo M4.32 radial-mount, monobloc, opposed 4-piston caliper
Wheelbase	1470 mm / 57.8 om	1470 mm / 57.8 om	1470 mm / 57.8 in	1470 mm / 57.8 in	1470 mm / 57.8 in	1470 mm / 57.9 in.	1470 mm / 57.7 in
Brakes - Rear	Single 220mm disc 1 piston caliper	Single 220mm disc 1 piston caliper	Single 250mm petal disc, 1 piston caliper	Single 250mm petal disc, 1 piston caliper	Single 250mm petal disc, 1 piston caliper	Single disc. ABS. Single-piston caliper.	Single 250mm Nissin petal disc, 1 piston caliper

Key Specifications

Engine

In-line four, four-stroke

Power

110 hp / 82 kW @ 8500rpm

Torque

98 Nm / 72.7 lb-ft @ 7700 rpm

Top Speed

Not published by manufacturer

Weight

210 kg / 463 lbs

Fuel Capacity

17 Litres / 4.5 US gal

Full 2019 Kawasaki Z 900RS Specifications

Year 2019

Colours Candytone Brown/Candytone Orange

Make Model Kawasaki Z 900RS

Warranty 12 Month Limited Warranty

Ground Clearance (mm) 130 mm

Ground Clearance (in.) 5.1 inches

Seat Height 795 mm / 31.3 in

Wheelbase 1470 mm / 57.8 om

Ground Clearance 130 mm / 5.1 in

Height 1150 mm / 45.2 in

Length 2100 mm / 82.6 in

Width 825 mm / 32.4 in

Fuel Capacity 17 Litres / 4.5 US gal

Wet Weight 210 kg / 463 lbs

Max Power 110 hp / 82 kW @ 8500rpm

Max Torque 98 Nm / 72.7 lb-ft @ 7700 rpm

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Engine Type In-line four, four-stroke

CO2 123.0 CO2 g/km. (CO2 - Carbon dioxide emission)

Displacement 948 cc / 57.8 cu-in

Engine Detail Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder

Fuel System Injection. DFI with 36mm Keihin throttle bodies

Bore x Stroke 73.4 x 56.0 mm

Compression Ratio 11.8:1

Cooling System Liquid cooled

Engine Lubrication Forced lubrication, wet sump

Fuel Consumption 5.30 litres/100 km (18.9 km/l or 44.38 mpg)

Fuel Induction DFI with 36mm Keihin throttle bodies

Ignition TCBI with electronic advance

Lubrication Forced lubrication wet sum

Starter Electric

Valve System 4

Clutch Wet multi-disc, manual

Final Drive Sealed chain

Gear Ratios 1st 2.917 (35/12) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 0.967 (29/30) [

Gearbox 6-speed

Primary Drive Sealed chain

Primary Drive Ratios 1.627 (83/51)

Transmission / Drive 6 Speed

Frame Type High-tensile steel trellis.

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

Suspension - Rear Horizontal Back-link, gas-charged shock with rebound and preload adjustability

Rake 25°

Trail 98 mm / 3.8 in

Wheel Travel - Front 120 mm / 4.7 in

Wheel Travel - Rear 140 mm / 5.5 in

Brakes - Front 2x semi-floating 300 mm discs 4 piston calipers

Brakes - Rear Single 220mm disc 1 piston caliper

Rims Dunlop Sportmax tires

Tyres - Front 120/70 ZR17

Tyres - Rear 180/55ZR17

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