Kawasaki Z 900 Specs

2017 - 2023 • 6 variants

Kawasaki has built the Z 900, a naked bike, across 6 variants since 2017, most recently updated for 2023. Under the tank sits a four stroke, transverse four cylinder, DOHC, 4 valve per cylinder, 948.0 cc in capacity. It makes 125 hp at peak. Torque tops out at 98 Nm.

About the Kawasaki Z 900

Documented here are the full technical specifications for the Kawasaki Z 900, a Naked bike motorcycle with a production run from 1976 to 2023. Specification data includes engine type and displacement, maximum power and torque output, transmission details, frame construction, suspension travel front and rear, brake types and rotor dimensions, tyre sizes, and overall weight and dimension figures. Select a year above to view the complete spec sheet for that model year.

Kawasaki Z 900 by Year

2023 Kawasaki Z 900 View specs →

2022 Kawasaki Z 900 View specs →

2020 Kawasaki Z 900 View specs →

2019 Kawasaki Z 900 View specs →

2018 Kawasaki Z 900 View specs →

2017 Kawasaki Z 900 View specs →

Spec Evolution

How key specs changed across production years.

Specification	1976	2017	2018	2019	2020	2021	2022	2023
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
Comments	-	-	-	-	Power Mode Selection. Traction control.	Power Mode Selection. Traction control. Smartphone Connectivity.	Power Mode Selection. Traction control. Smartphone Connectivity.	Power Mode Selection. Traction control. Smartphone Connectivity.
Frame Type	Double tubular steel cradle	Trellis, high tensile steel	Trellis, high tensile steel	Trellis, high tensile steel	High-tensile steel trellis	High-tensile steel trellis	High-tensile steel trellis	Trellis, high tensile steel
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. ↓
Displacement	903 cc / 55.1 cu-in	948 cc / 57.8 cu-in ↑	948 cc / 57.8 cu-in	948 cc / 57.8 cu-in	948 cc / 57.8 cu-in	948 cc / 57.8 cu-in	948 cc / 57.8 cu-in	-
Dry Weight	230 kg / 507 lbs	-	-	-	-	-	212 kg / 467.4 lbs	-
Brakes - Front	2x 296mm discs	2x semi-floating 310 mm discs 4 piston calipers	2x semi-floating 310 mm discs 4 piston calipers	2x semi-floating 310 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.
Wheelbase	1498.6 mm / 59.0 in	1450 mm / 57.1 in ↓	1450 mm / 57.1 in	1450 mm / 57.1 in	1455.4 mm / 57.3 in ↑	1455.4 mm / 57.3 in	1455.4 mm / 57.3 in	1455 mm / 57.3 in. ↓
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	-
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 ↑
Brakes - Rear	200mm drum	Single 220mm disc 1 piston caliper ↑	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.
Ground Clearance	170 mm / 6.75 in.	130 mm / 5.1 in ↓	130 mm / 5.1 in	130 mm / 5.1 in	145 mm / 5.7 in ↑	145 mm / 5.7 in	145 mm / 5.7 in	-
Suspension - Front	36mm Telescopic forks	41mm inverted fork with rebound damping and spring preload adjustability ↑	41mm inverted fork with rebound damping and spring preload adjustability	41mm inverted fork with rebound damping and spring preload adjustability	41 mm inverted fork with rebound damping and spring preload adjustability	41 mm inverted fork with rebound damping and spring preload adjustability	41 mm inverted fork with rebound damping and spring preload adjustability	41mm inverted fork with rebound damping and spring preload adjustability. ABS.
Suspension - Rear	Dual shock, 5-way preload adjustment	Horizontal back-link, stepless rebound damping, adjustable spring preload	Horizontal back-link, stepless rebound damping, adjustable spring preload	Horizontal back-link, stepless rebound damping, adjustable spring preload	Horizontal Back-link with rebound damping and spring preload adjustability	Horizontal Back-link with rebound damping and spring preload adjustability	Horizontal Back-link with rebound damping and spring preload adjustability	Horizontal back-link, stepless rebound damping, adjustable spring preload. ABS.
Fuel System	-	Injection	-	-	Injection. DFI with 36mm Keihin throttle bodies	Injection. DFI with 36mm Keihin throttle bodies	Injection. DFI with 36mm Keihin throttle bodies	Injection. DFI with 36mm Keihin throttle bodies
Colours	-	Pearl Mystic Gray/Metallic Flat Spark Black, Candy Lime Green/Metallic Flat Spark Black, Metallic Flat Spark Black/Metallic Spark Black	-	-	Metallic Graphite Gray/Metallic Spark Black, Candy Plasma Blue/Metallic Matte Fusion Silver	Pearl Blizzard White/Metallic Spark Black, Metallic Spark Black/Metallic Flat Spark Black	Pearl Robotic White/Metallic Spark Black, Metallic Matte Twilight Blue/Metallic Spark Black	Metallic Spark Black/Metallic Graphite Gray/Metallic Flat Spark Black, Metallic Phantom Silver/Metallic Carbon Gray
Clutch	Wet, multi-plate	Wet multi-disc, manual	Wet multi-disc, manual	Wet multi-disc, manual	Wet multi-disc, manual	Wet multi-disc, manual	Wet multi-disc, manual	Assist and Slipper Clutch
Bore x Stroke	66 x 66 mm	73.4 x 56.0mm ↑	73.4 x 56.0mm	73.4 x 56.0mm	73.4 x 56.0 mm	73.4 x 56.0 mm	73.4 x 56.0 mm	-
Final Drive	Chain	Sealed chain	Sealed chain	Sealed chain	Sealed chain	Sealed chain	Sealed chain	Chain (final drive)
Height	-	1065 mm / 41.9 in	1065 mm / 41.9 in	1065 mm / 41.9 in	1080 mm / 42.5 in ↑	1080 mm / 42.5 in	1080 mm / 42.5 in	1080 mm / 42.5 in.
Length	2209 mm / 87.0 in.	2065 mm / 81.5 in ↓	2065 mm / 81.5 in	2065 mm / 81.5 in	2070 mm / 81.4 in ↑	2070 mm / 81.4 in	2070 mm / 81.4 in	2070 mm / 81.5 in.
Compression Ratio	8.5:1	11.8:1 ↑	11.8:1	11.8:1	11.8:1	11.8:1	11.8:1	11.8:1
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 ↑
Cooling System	Air cooled,	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	-
Gear Ratios	1 st 12.05:1 2nd 8.34:1 3rd 6.36:1 4th 5.25:1 5th 4.63:1	1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29)	1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29)	1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29)	1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29)	1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29)	1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29)	-
Tyres - Front	3.25H-19	120/70 ZR17 ↑	120/70 ZR17	120/70 ZR17	120/70ZR17M/C (58W)	120/70ZR17M/C (58W)	120/70ZR17M/C (58W)	120/70-ZR17
Width	-	825 mm / 32.3 in	825 mm / 32.3 in	825 mm / 32.3 in	825 mm / 32.4 in	825 mm / 32.4 in	825 mm / 32.4 in	826 mm / 32.5 in. ↑
Tyres - Rear	4.00S-18	180/55ZR17 ↑	180/55ZR17	180/55ZR17	180/55ZR17M/C (73W)	180/55ZR17M/C (73W)	180/55ZR17M/C (73W)	-
Primary Drive	Straight cut gears	Sealed chain	-	-	Sealed chain	Sealed chain	Sealed chain	Sealed chain
Rake	27°	25° ↓	24° ↓	25° ↑	24.5° ↓	24.9° ↑	24.5° ↓	24.9° ↑
Fuel Consumption	48 mpg	5.50 litres/100 km (18.2 km/l or 42.77 mpg) ↓	-	-	-	-	-	-
Transmission / Drive	5 Speed	6 Speed ↑	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	-
Fuel Induction	4x 26mm Mikuni VM26SS	DFIØ with 36mm Keihin throttle bodies ↑	DFIØ with 36mm Keihin throttle bodies	DFIØ with 36mm Keihin throttle bodies	Fuel injection: 36 mm x 4 with sub-throttle	Fuel injection: 36 mm x 4 with sub-throttle	Fuel injection: 36 mm x 4 with sub-throttle	-
Trail	3.75 in.	103 mm / 4.1 in ↑	103 mm / 4.1 in	103 mm / 4.1 in	110 mm / 4.3 in ↑	110 mm / 4.3 in	110 mm / 4.3 in	109 mm / 4.3 in. ↓
Wheel Travel - Front	-	120 mm / 4.7 in	120 mm / 4.7 in	120 mm / 4.7 in	120 mm / 4.7 in	120 mm / 4.7 in	120 mm / 4.7 in	119 mm / 4.7 in. ↓
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	-
Wheel Travel - Rear	-	140 mm / 5.5 in	140 mm / 5.5 in	140 mm / 5.5 in	140 mm / 5.5 in	140 mm / 5.5 in	140 mm / 5.5 in	140 mm / 5.5 in.
Ignition	Mechanical breaker dual lead coil	TCBI with electronic advance	TCBI with electronic advance	TCBI with electronic advance	TCBI with electronic advance	TCBI with electronic advance	TCBI with electronic advance	TCBI with electronic advance
Max Torque	73.5 Nm / 52.8 lb-ft @ 7000 rpm	98 Nm / 72.7 lb-ft @ 7700 ↑	98 Nm / 72.7 lb-ft @ 7700	98 Nm / 72.7 lb-ft @ 7700	98.6 Nm / 72.7 lb-ft @ 7700 rpm ↑	98.6 Nm / 72.7 lb-ft @ 7700 rpm	98.6 Nm / 72.7 lb-ft @ 7700 rpm	99.1 Nm (10.1 kgf-m or 73.1 ft.lbs) @ 7700 Revolutions ↑
Lubrication	Wet sump, trachoid pump	Forced lubrication, wet sump	Forced lubrication, wet sump	Forced lubrication, wet sump	Forced lubrication, wet sump	Forced lubrication, wet sump	Forced lubrication, wet sump	-

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