Kawasaki Gpz 900 Ninja - [1989] Review and Comparison including Similar Bikes, Alternative Bikes, Performance Specs and Technical Information.
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Performance Review: Kawasaki Gpz 900 Ninja - [1989]

Kawasaki Gpz 900 Ninja - [1989] image

Kawasaki Gpz 900 Ninja - [1989]

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Figures & Specs Summary:

  • Edition: Kawasaki Gpz 900 Ninja
  • Year: 1989 | Type: Sport
  • Engine: 908 cc (55.4 ci) 16 Valve
  • Engine Type: Transverse | Cylinders: 4
  • Engine Stroke: Two | Valve Config: DOHC
  • Fuel Delivery: Carburettor
  • Cooling: Liquid | Fuel Type: Petrol
  • Transmission: 6 speed | Manual
  • Drive: Chain
  • Wet Weight: 0 kgs (0 lbs)
  • Dry Weight: 228 kgs (502 lbs)
  • Power: 108 bhp (80 kW) @ 9500 rpm
  • Torque: 62.9 lb-ft (85.2 Nm) @ 8500 rpm
  • BHP Per Ton: 435.4 bhp
  • Torque Per Ton: 253.6 lb-ft
  • 0-60 mph (96.6 kph): 8.5 secs
  • 0-100 kph (0-62 mph): 8.7 secs
  • Top Speed: 154 mph (247.8 kph)
  • 1/4 Mile (Est.): 13.13 secs @ 0 mph
  • Frame: Steel
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Kawasaki Gpz 900 Performance Review.

Introduction:

This edition of the Kawasaki Gpz 900 Ninja is the 6 speed | Manual version and was first brought out in 1989. This was at around the same time as the introduction of the 1989 Suzuki GS 500 E and the 1990 Norton Commander Police.This particular Kawasaki Gpz 900 has a 908cc Liquid cooled, Two stroke, Transverse Petrol powerplant with 4 cylinders and Carburettor.

Norton Superlight SS - [2020] image

An alternative Transverse engine, Sport style motorbike includes the Norton Superlight SS - [2020]

The 1989 Gpz 900 shares its Transverse engine and Sport style configuration with the likes of the 2020 Norton Superlight SS and the 2019 Norton Superlight Twin. Alternatively, if you're looking for other bikes which share the Gpz 900's Sport style with a similar size of engine then how about the 2020 Norton Superlight SS | 2020cc.2019 Norton Superlight Twin | 2019cc.

Power and Torque:

Weighing in at 0 kgs (0 lbs) this makes the Kawasaki Gpz 900 Ninja in the same weight category as the 2025 Yamaha Tracer 9 GT+ or the 2025 Yamaha Tracer 9 GT, give or take 50kg.

Yamaha MT-09 Y-AMT - [2025] image

The 1989 Kawasaki Gpz 900 shares the same bhp with the Yamaha MT-09 Y-AMT - [2025]

In terms of power the 908cc 16 valve Transverse 4 cylinder engine produces 108 bhp (80 kW) @ 9500 rpm similar to the 2025 Yamaha MT-09 Y-AMT [117.4 bhp (87 kW) @ 10000 rpm] or the 2025 Kawasaki Z 900 DOHC [123 bhp (91 kW) @ 9500 rpm].

The DOHC Two stroke unit throws out torque of 62.9 lb-ft (85.2 Nm) @ 8500 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Yamaha Tracer 9 GT+ [68.5 lb-ft (93.0 Nm) @ 7000 rpm] and the 2025 Yamaha Tracer 9 Triple [68.5 lb-ft (93.0 Nm) @ 7000 rpm].

Power to Weight:

If one combines the weight with power or torque performance for the Kawasaki Gpz 900 you can get a better idea of it's real world performance.

Yamaha FZ 700 DOHC - [1987] image

The 1987 Yamaha FZ 700 DOHC has similar Bhp Per Ton stats as the 1989 Kawasaki Gpz 900 Ninja.

The 1989 Kawasaki Gpz 900 Ninja has a Power to weight ratio of 435.4 bhp per ton and 253.6 lb-ft per ton. Bhp Per Ton figures of the 1989 Gpz 900 competing with the 1987 Yamaha FZ 700 DOHC [459.4 bhp\ton] and the 2002 Buell-EBR X1 W White Lightning [459.0 bhp\ton].


Power to Weight(cont.):

If you agree with the late great Carroll Shelby, then arguably an even better indicator of potential performance is Torque. Factor weight into the equation and you end up with - Torque per ton, with the Kawasaki Gpz 900 generating around 253.6 lb-ft per ton. If you're curious as to what other motorbikes have as much torque to weight then look no further than the 1992 Norton F2 Rotary [278.0 lb-ft per ton] and the 2003 Suzuki GSX-R 600 SRAD [278.0 lb-ft per ton].

Acceleration:

With a 0-60mph time of 8.5 secs or a 0-100km/h (0-62mph) of 8.7 secs, this makes the Kawasaki Gpz 900 Ninja similar in acceleration to the 2024 Honda CRF 1100 L Africa Twin (8.5 secs) and the 2023 Honda CB 1300 S Super Bol dOr 30th Annivers (8.5 secs). This Kawasaki Gpz 900 Ninja also competes in terms of 0-60 mph and 0-100km/h with the 2018 Honda CB 250 R Neo Sports Cafe (0.0 secs) and the 2020 Norton Superlight SS (0.4 secs).

Yamaha FZ 750 Genesis - [1985] image

Quarter Mile time is a close race between the 1989 Kawasaki Gpz 900 Ninja and the 1985 Yamaha FZ 750 Genesis

When talking about the performance of the 1989 Kawasaki Gpz 900 Ninja on the drag strip it can reach a quarter mile in an estimated 11.3 secs @ 0 mph. Bikes with a similar performance down the quarter mile can be found in the 1985 Yamaha FZ 750 Genesis (11.3 secs) and the 1994 Buell-EBR S2 Thunderbolt (11.3 secs).

Top Speed:

The 1989 version of the Kawasaki Gpz 900 Ninja has a maximum speed of 154mph.

Honda CBR 600 RR - [2020] image

Top Speed of the 1989 Gpz 900 equals the 2020 Honda CBR 600 RR

If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1989 Kawasaki Gpz 900 Ninja then how about a 2020 Honda CBR 600 RR (165 mph) and the 2020 Yamaha YZF-600 R6 20th Anniversary Edition (165 mph).

Related Links:

1989 Kawasaki Gpz 900 Rivals List.

A Brief History of Kawasaki

Bike Comparison


Performance Figures & Specs:

Choose a Bike Make for a List of More Performance Figures and Specs.




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Edition:

A1 250

AR 125

AR 50

AR 80

BJ 250

BR 250

EL 125

EL 250

EL 252

Eliminator 400

Eliminator 500

EN 400

EN 450

EN 500

ER-4

ER-5

ER-6

EX 250

EX 400

EX 500

F9 350

FX 400

G3-SS

GPX 250

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GPX 600

GPX 750

Gpz 1000

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Gpz 400

Gpz 500

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GTR 1000

GTR 1400

H1 500

H2 750

KDX 125

KDX 175

KDX 200

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KDX 250

KDX 400

KDX 450

KE 125

KE 175

KH 125

KH 250

KH 400

KH 500

KL 250

KLE 250

KLE 400

KLE 500

KLR 250

KLR 600

KLR 650

KLV 1000

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KLX 230

KLX 250

KLX 300

KLX 400

KLX 450

KLX 650

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KMX 200

KR 1

KR 250

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Ninja 1000

Ninja 125

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Ninja 400

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S1 250

S2 350

S3 400

SL 250

Versys 1000

Versys 650

Versys-X

VN 1500

VN 1600

VN 1700

VN 2000

VN 250

VN 400

VN 500

VN 650

VN 750

VN 800

VN 900

W 250

W 400

W 650

W 800

W1

W2

W3

Xanthus 400

Z 1000

Z 1100

Z 125

Z 1300

Z 200

Z 250

Z 300

Z 305

Z 400

Z 440

Z 450

Z 500

Z 550

Z 650

Z 750

Z 800

Z 900

Z H2

Z1

Z2 750

Z7

Zephyr 1100

Zephyr 400

Zephyr 550

Zephyr 750

ZG 1000

ZG 1200

ZG 1300

ZL 1000

ZL 250

ZL 400

ZL 600

ZL 750

ZL 900

ZN 1300

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ZR-250

ZR-7

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ZRX 1200

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ZX-12

ZX-14

ZX-25

ZX-4

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ZX-7

ZX-9

ZX-R 250

ZX-R 400

ZX-R 750

ZZR 1100

ZZR 1200

ZZR 1400

ZZR 250

ZZR 400

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More Bikes:

Bike Figures:

Kawasaki ZX-R 250 Ninja

Kawasaki ZX-R 250 Ninja
Engine Capacity: 249cc
Top Speed: 101 mph
Power: 45 bhp


Suzuki GS 650 GT

Suzuki GS 650 GT
Engine Capacity: 673 cc
Top Speed: 122 mph
Quarter Mile: 13.2 secs @ 101 mph


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Quarter Mile | Random Figures and Specs

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Quarter Mile Time
14.2 seconds

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Top Speed | Random Figures & Specs

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Top Speed

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