Kawasaki Gpz 900 R Ninja - [1984] Review and Comparison including Similar Bikes, Alternative Bikes, Performance Specs and Technical Information.
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Performance Review: Kawasaki Gpz 900 R Ninja - [1984]

Kawasaki Gpz 900 R Ninja - [1984] image

Kawasaki Gpz 900 R Ninja - [1984]

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Figures & Specs Summary:

  • Edition: Kawasaki Gpz 900 R Ninja
  • Year: 1984 | 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: 257 kgs (566 lbs)
  • Dry Weight: 228 kgs (502 lbs)
  • Power: 115 bhp (85 kW) @ 9500 rpm
  • Torque: 63.0 lb-ft (85.4 Nm) @ 8500 rpm
  • BHP Per Ton: 447.4 bhp
  • Torque Per Ton: 245.1 lb-ft
  • 0-60 mph (96.6 kph): 8.3 secs
  • 0-100 kph (0-62 mph): 8.4 secs
  • Top Speed: 154 mph (247.8 kph)
  • 1/4 Mile (Est.): 12.97 secs @ 122 mph
  • Frame: Steel
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Kawasaki Gpz 900 Performance Review.

Introduction:

This edition of the Kawasaki Gpz 900 R Ninja is the 6 speed / Manual version and was first brought out in 1984. This was at around the same time as the introduction of the 1984 Suzuki GV 700 GL Madura and the 1984 Honda CB 750 SC Nighthawk S.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 1984 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 257 kgs (566 lbs) this makes the Kawasaki Gpz 900 R Ninja in the same weight category as the 2025 Honda X-ADV 745 or the 2025 Yamaha Ténéré 700, give or take 50kg.

Kawasaki Z 900 DOHC SE - [2025] image

The 1984 Kawasaki Gpz 900 shares the same bhp with the Kawasaki Z 900 DOHC SE - [2025]

In terms of power the 908cc 16 valve Transverse 4 cylinder engine produces 115 bhp (85 kW) @ 9500 rpm similar to the 2025 Kawasaki Z 900 DOHC SE [123 bhp (91 kW) @ 9500 rpm] or the 2025 Yamaha Tracer 9 GT+ [119 bhp (88 kW) @ 10000 rpm].

The DOHC Two stroke unit throws out torque of 63.0 lb-ft (85.4 Nm) @ 8500 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Yamaha YZF-R9 Triple [68.5 lb-ft (93.0 Nm) @ 7000 rpm] and the 2025 Suzuki SV 650 ABS [47.2 lb-ft (63.9 Nm) @ 8100 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.

Suzuki GSX-S 750 ABS - [2015] image

The 2015 Suzuki GSX-S 750 ABS has similar Bhp Per Ton stats as the 1984 Kawasaki Gpz 900 R Ninja.

The 1984 Kawasaki Gpz 900 R Ninja has a Power to weight ratio of 447.4 bhp per ton and 245.1 lb-ft per ton. Bhp Per Ton figures of the 1984 Gpz 900 competing with the 2015 Suzuki GSX-S 750 ABS [471.9 bhp\ton] and the 2002 Buell-EBR XB9S Lightning [471.7 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 245.1 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 1983 Kawasaki Z 1300 DOHC I [270.1 lb-ft per ton] and the 1989 Honda ST 1100 Pan European [270.1 lb-ft per ton].

Acceleration:

With a 0-60mph time of 8.3 secs or a 0-100km/h (0-62mph) of 8.4 secs, this makes the Kawasaki Gpz 900 R Ninja similar in acceleration to the 2024 Suzuki GSX-S 950 DOHC (8.3 secs) and the 2023 Suzuki DL 1050 V-Strom (8.3 secs). This Kawasaki Gpz 900 R 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 FJ 1200 - [1991] image

Quarter Mile time is a close race between the 1984 Kawasaki Gpz 900 R Ninja and the 1991 Yamaha FJ 1200

When talking about the performance of the 1984 Kawasaki Gpz 900 R Ninja on the drag strip it can reach a quarter mile in an estimated 10.9 secs @ 122 mph. Bikes with a similar performance down the quarter mile can be found in the 1991 Yamaha FJ 1200 (10.9 secs) and the 2006 Kawasaki ZRX 1200 DOHC (10.9 secs).

Top Speed:

The 1984 version of the Kawasaki Gpz 900 R Ninja has a maximum speed of 154mph.

Honda CBR 600 RR - [2020] image

Top Speed of the 1984 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 1984 Kawasaki Gpz 900 R 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:

1984 Kawasaki Gpz 900 Rivals List.

A Brief History of Kawasaki

Bike Comparison


Performance Figures & Specs:

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Versys 1000

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Versys-X

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