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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
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⚡
Strong power output: 2019 Kawasaki Z 900RS makes 110 hp @ 8500rpm with 98 Nm @ 7700 rpm of torque - competitive figures for its class.
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🔧
Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
Considerations
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ℹ️
Age-related wear: As with any used Z 900RS, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.
Owner Experiences & Common Issues
Throttle response and fuelling
The fuel injection on the 2019 Kawasaki Z 900RS is generally well-regarded. Some owners note a slight hesitation at small throttle openings when cold, which clears once the engine reaches operating temperature. A quick visual check of the injector connectors during routine servicing is good practice on higher-mileage examples.
Valve clearance checks
Double Overhead Cams/Twin Cam (DOHC) engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.
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.
Fuel system care
The Z 900RS's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used Z 900RS. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has 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
Fuel Capacity
17 Litres / 4.5 US gal
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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
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
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