2019 Kawasaki Z 650 Specifications

Name: 2019 Kawasaki Z 650
Brand: Kawasaki

Naked bike • Specs last verified 13 July 2026

No images available

Tap to enlarge

2019 Kawasaki Z 650 Overview

Kawasaki Z 650 is a naked bike motorcycle, displacing 649 cc. Power comes from a Twin, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 10.8:1. On the performance side, it delivers 50.2 kW @ 8500 rpm of peak power and 65.7 Nm @ 7000 rpm of torque. On the road, the 2019 Z 650 tips the scales at 184 kg, carries a 15-litre fuel tank, offers a seat height of 785 mm and spans a 1410 mm wheelbase. That's roughly 24.5 kg lighter than the average naked bike motorcycle in our database. The full 2019 Kawasaki Z 650 spec sheet below covers every technical detail, from suspension travel to tyre sizes.

2019 Z 650 - Pros & Cons

Strengths

Strong power output: With 50.2 kW @ 8500 rpm and 65.7 Nm @ 7000 rpm of torque on tap, the Z 650 is no slouch for its class.

Considerations

Chain final drive upkeep: Budget time for routine chain maintenance - it's cheap to replace but needs consistent attention to avoid premature sprocket wear.

Wear Points & Servicing Notes

Cooling system servicing

Z 650's Liquid cooled setup is low-maintenance provided the coolant interval is kept - old, acidic coolant is the main cause of long-term corrosion in the water passages.

Valve clearance checks

With Double Overhead Cams/Twin Cam (DOHC) valve gear, the Z 650 needs periodic clearance checks; caught early they're a cheap adjustment, left unchecked they accelerate valve seat wear.

Brake disc and pad wear

Braking up front comes from 2x 300mm discs 4 piston calipers - solid stopping power, with disc and pad wear best checked on the same schedule as tyre changes.

Suspension condition on used examples

The Z 650's suspension runs 41 mm hydraulic telescopic fork at the front. The rear uses Horizontal Back-link with adjustable preload. Fork-seal condition and rear linkage play are the two things worth checking before buying used.

Final drive maintenance

The Z 650 uses chain final drive, which is cheap to replace but needs regular cleaning, lubrication and tension checks to get a full service life out of the sprockets.

Frame & chassis check

Built around a Semi-double cradle, high-tensile steel, the Z 650's chassis is straightforward to inspect: look for corrosion, cracks or repair welds around stress points like the head-stock and swingarm mounts.

Z 650 - Buying & Maintenance Guide

What to check before buying

Before handing over money for a used 2019 Kawasaki Z 650, cover the fundamentals: service book and oil change history, chain and sprocket wear, and any sign of oil weeping around the casings. Cold-starting it yourself tells you a lot - a healthy Z 650 should catch quickly and settle into a smooth idle.

Oil and filter changes

Nothing protects a Z 650's engine like disciplined oil changes - stay on the manufacturer's schedule (roughly every 6,000 km or annually). Match the viscosity grade to what the owner's manual specifies, not what's cheapest.

Carburetor upkeep

Deposits in the carbs are the usual culprit behind poor running on a stored Z 650 - strip and clean the float bowls before the first start. Pilot jets clog first and get overlooked most, so make a point of checking them.

Valve clearance service

Valve clearances are easy to overlook on a used Z 650 since a bike out of spec doesn't always feel obviously wrong - but the wear it causes is real. Ask the seller for documentation before assuming it's been done.

2019 Kawasaki Z 650 - Frequently Asked Questions

What engine does the 2019 Kawasaki Z 650 have?

The 2019 Kawasaki Z 650 uses a Twin, four-stroke engine with 649 cc of displacement. It is liquid cooled.

How much does the 2019 Kawasaki Z 650 weigh?

The 2019 Kawasaki Z 650 weighs 184 kg. This is the manufacturer's wet figure.

How much power does the 2019 Kawasaki Z 650 make?

The 2019 Kawasaki Z 650 produces 50.2 kW @ 8500 rpm of power and 65.7 Nm @ 7000 rpm of torque. These are peak figures.

What is the fuel tank capacity of the 2019 Kawasaki Z 650?

The 2019 Kawasaki Z 650 has a 15-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 250-300 km between stops.

Is the 2019 Kawasaki Z 650 suitable for shorter riders?

The 2019 Kawasaki Z 650 has a seat height of 785 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 2019 Kawasaki Z 650 have?

The 2019 Kawasaki Z 650 uses 2x 300mm discs 4 piston calipers at the front and Single 220mm disc at the rear.

What tyre sizes does the 2019 Kawasaki Z 650 use?

The 2019 Kawasaki Z 650 runs 120/70 -17 front and 160/50 -17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 2019 Kawasaki Z 650 have?

The 2019 Kawasaki Z 650 is fitted with a 6 Speed transmission.

Kawasaki Z 650 Spec Evolution

The Kawasaki Z 650 was produced across 12 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	1977	1978	1981	1983	2017	2018	2019	2020	2021	2022	2023
Max Power	66 hp / 48.2 kW @ 8500 rpm	66 hp / 48.2 kW @ 8500 rpm	66 hp / 48.2 kW @ 8500 rpm	66 hp / 48.2 kW @ 8500 rpm	66 hp / 48.2 kW @ 8500 rpm	50.2 kW / 67.3 hp @ 8500 rpm	50.2 kW / 67.3 hp @ 8500 rpm	50.2 kW / 67.3 hp @ 8500 rpm	50.2 kW / 67.3 hp @ 8500 rpm	50.2 kW / 67.3 hp	50.2 kW / 67.3 hp	-
Wet Weight	220 kg / 485 lbs	220 kg / 485 lbs	220 kg / 485 lbs	220 kg / 485.0 lbs	237 kg / 522.4 lbs	184 kg / 406 lbs	184 kg / 406 lbs	184 kg / 406 lbs	184 kg / 406 lbs	187 kg / 412.3 lbs	187 kg / 412.3 lbs	187.0 kg / 412.3 lbs
Dry Weight	211 kg / 465 lbs	211 kg / 465 lbs	211 kg / 465 lbs	-	-	-	-	-	-	-	-	-
Engine Detail	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Die-cast aluminium cylinder and lightweight coated pistons
Seat Height	800 mm / 31.5 in	800 mm / 31.5 in	800 mm / 31.5 in	800mm / 31.5 in	800mm / 31.5 in	785 mm / 30.9 in	785 mm / 30.9 in	785 mm / 30.9 in	785 mm / 30.9 in	790 mm / 31.1 in	790 mm / 31.1 in	790 mm / 31.1 in.
Fuel Capacity	16.5 Litres / 4.3 US gal	16.5 Litres / 4.3 US gal	16.5 Litres / 4.3 US gal	16.5 Litres / 4.3 US gal	16.5 Litres / 4.3 US gal	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal	15.14 litres / 4.00 US gallons
Comments	-	-	-	-	-	-	-	-	Rideology the App Smartphone Connectivity	Smartphone Connectivity	Smartphone Connectivity.	Traction control. Smartphone Connectivity.
Frame Type	Steel twin loop cradle	Steel twin loop cradle	Steel twin loop cradle	Steel twin loop cradle	Steel twin loop cradle	Semi-double cradle, high-tensile steel	Semi-double cradle, high-tensile steel	Semi-double cradle, high-tensile steel	Semi-double cradle, high-tensile steel	Trellis, high-tensile steel	Trellis, high-tensile steel	Trellis, high-tensile steel

Key Specifications

Engine

Twin, four-stroke

Power

50.2 kW / 67.3 hp @ 8500 rpm

Torque

65.7 Nm / 48.4 lb-ft @ 7000 rpm

Top Speed

Not published by manufacturer

Weight

184 kg / 406 lbs

Fuel Capacity

15 Litres / 4.0 US gal

Full 2019 Kawasaki Z 650 Specifications

Year 2019

Colours Metallic Flat Spark Black, Black/Metallic Spark Black, Candy Flat Blazed Green/Metallic Matt Graphite Grey/Metallic Flat Spark Black, Pearl Flat Stardust White/Metallic Flat Spark Black

Make Model Kawasaki Z 650

Ground Clearance (mm) 130 mm

Ground Clearance (in.) 5.1 inches

Seat Height 785 mm / 30.9 in

Wheelbase 1410 mm / 55.5 in

Ground Clearance 130 mm / 5.1 in

Height 1080 mm / 42.5 in

Length 2055 mm / 80.9 in

Width 779 mm / 30.6 in

Fuel Capacity 15 Litres / 4.0 US gal

Wet Weight 184 kg / 406 lbs

Maximum RPM 12500

Max Power 50.2 kW / 67.3 hp @ 8500 rpm

Max Torque 65.7 Nm / 48.4 lb-ft @ 7000 rpm

CO2 103.0 CO2 g/km. (CO2 - Carbon dioxide emission)

Engine Type Twin, four-stroke

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Displacement 649 cc / 39.65 cu-in

Engine Detail Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder

Fuel System Injection. DFI® with Keihin 36mm Keihin throttle bodies

Bore x Stroke 83 x 60 mm

Compression Ratio 10.8:1

Cooling System Liquid cooled

Engine Lubrication Forced lubrication, semi and #8209;dry sump

Fuel Consumption 4.44 litres/100 km (22.5 km/l or 52.98 mpg)

Fuel Induction DFIØ with Keihin 36mm Keihin throttle bodies

Ignition TCBI with electronic advance

Lubrication Wet sump

Starter Electric

Clutch Wet multi-disc, manual

Final Drive Sealed chain

Gear Ratios 1st 2.438 (39/16) 2nd 1.714 (36/21) 3rd 1.333 (32/24) 4th 1.111 (30/27) 5th 0.966 (28/29) 6th 0.852 (23/27)

Gearbox 6-speed

Primary Drive Sealed chain

Transmission / Drive 6 Speed

Frame Type Semi-double cradle, high-tensile steel

Suspension - Front 41 mm hydraulic telescopic fork

Suspension - Rear Horizontal Back-link with adjustable preload

Rake 24°

Trail 100 mm / 3.9 in

Wheel Travel - Front 125 mm / 4.9 in

Wheel Travel - Rear 130 mm / 5.1 in

Brakes - Front 2x 300mm discs 4 piston calipers

Brakes - Rear Single 220mm disc

ABS Optional

Tyres - Front 120/70 -17

Tyres - Rear 160/50 -17

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