Kawasaki Gpz 400 F-II - [1985] Review and Comparison including Similar Bikes, Alternative Bikes, Performance Specs and Technical Information.
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Performance Review: Kawasaki Gpz 400 F-II - [1985]

Kawasaki Gpz 400 F-II - [1985] image

Kawasaki Gpz 400 F-II - [1985]

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Figures & Specs Summary:

  • Edition: Kawasaki Gpz 400 F-II
  • Year: 1985 | Type: Sport
  • Engine: 399 cc (24.3 ci) 8 Valve
  • Engine Type: Transverse | Cylinders: 4
  • Engine Stroke: Two | Valve Config: DOHC
  • Fuel Delivery: Carburettor
  • Cooling: Air | Fuel Type: Petrol
  • Transmission: 6 speed / Manual
  • Drive: Chain
  • Wet Weight: 0 kgs (0 lbs)
  • Dry Weight: 179 kgs (394 lbs)
  • Power: 54 bhp (40 kW) @ 11500 rpm
  • Torque: 25.2 lb-ft (34.1 Nm) @ 8500 rpm
  • BHP Per Ton: 271.3 bhp
  • Torque Per Ton: 126.6 lb-ft
  • 0-60 mph (96.6 kph): 13.6 secs
  • 0-100 kph (0-62 mph): 13.9 secs
  • Top Speed: 0 mph (0.0 kph)
  • 1/4 Mile (Est.): 0 secs @ 0 mph
  • Frame: Steel
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Kawasaki Gpz 400 Performance Review.

Introduction:

This edition of the Kawasaki Gpz 400 F-II is the 6 speed / Manual version and was first brought out in 1985. This was at around the same time as the introduction of the 1986 Suzuki RH 250 X and the 1986 Suzuki GSX-R 1100 DOHC.This particular Kawasaki Gpz 400 has a 399cc Air 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 1985 Gpz 400 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 400's Sport style with a similar size of engine then how about the 1995 Suzuki RGV 250 V-Twin | 1995cc.1994 Suzuki RGV 250 V-Twin | 1994cc.

Power and Torque:

Weighing in at 0 kgs (0 lbs) this makes the Kawasaki Gpz 400 F-II 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-07 Twin Cylinder  - [2025] image

The 1985 Kawasaki Gpz 400 shares the same bhp with the Yamaha MT-07 Twin Cylinder - [2025]

In terms of power the 399cc 8 valve Transverse 4 cylinder engine produces 54 bhp (40 kW) @ 11500 rpm similar to the 2025 Yamaha MT-07 Twin Cylinder [73.4 bhp (54 kW) @ 8750 rpm] or the 2025 Yamaha Ténéré 700 Rally [72.4 bhp (53 kW) @ 9000 rpm].

The DOHC Two stroke unit throws out torque of 25.2 lb-ft (34.1 Nm) @ 8500 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Yamaha WR 250 F [17.8 lb-ft (24.2 Nm) @ 8100 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 400 you can get a better idea of it's real world performance.

Suzuki GS 750 E - [1979] image

The 1979 Suzuki GS 750 E has similar Bhp Per Ton stats as the 1985 Kawasaki Gpz 400 F-II.

The 1985 Kawasaki Gpz 400 F-II has a Power to weight ratio of 271.3 bhp per ton and 126.6 lb-ft per ton. Bhp Per Ton figures of the 1985 Gpz 400 competing with the 1979 Suzuki GS 750 E [296.2 bhp\ton] and the 1994 Suzuki VS 1400 GL Intruder [296.2 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 400 generating around 126.6 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 1988 Honda VFR 400 R NC24 [151.5 lb-ft per ton] and the 1986 Honda VFR 400 R [151.5 lb-ft per ton].

Acceleration:

With a 0-60mph time of 13.6 secs or a 0-100km/h (0-62mph) of 13.9 secs, this makes the Kawasaki Gpz 400 F-II similar in acceleration to the 2019 Suzuki DR-Z 400 SM (13.6 secs) and the 2017 Suzuki DR-Z 400 SM (13.6 secs). This Kawasaki Gpz 400 F-II 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).

Honda NSS 300 Forza Limited Edition - [2020] image

Quarter Mile time is a close race between the 1985 Kawasaki Gpz 400 F-II and the 2020 Honda NSS 300 Forza Limited Edition

When talking about the performance of the 1985 Kawasaki Gpz 400 F-II on the drag strip it can reach a quarter mile in an estimated 0 secs @ 0 mph. Bikes with a similar performance down the quarter mile can be found in the 2020 Honda NSS 300 Forza Limited Edition (0 secs) and the 2019 Suzuki Gixxer SF 250 MotoGP Edition (0 secs).

Top Speed:

The 1985 version of the Kawasaki Gpz 400 F-II has a maximum speed of 0mph.

Honda CHF 50 Metropolitan - [2013] image

Top Speed of the 1985 Gpz 400 equals the 2013 Honda CHF 50 Metropolitan

If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1985 Kawasaki Gpz 400 F-II then how about a 2013 Honda CHF 50 Metropolitan (35 mph) and the 2002 Honda CHF 50 Metropolitan (35 mph).

Related Links:

1985 Kawasaki Gpz 400 Rivals List.

A Brief History of Kawasaki

Bike Comparison


Performance Figures & Specs:

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