Suzuki GSF 400 DOHC - [1991] Review and Comparison including Similar Bikes, Alternative Bikes, Performance Specs and Technical Information.

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Performance Review: Suzuki GSF 400 DOHC - [1991]

Suzuki GSF 400 DOHC - [1991]

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Figures & Specs Summary:

Edition: Suzuki GSF 400 DOHC
Year: 1991 | Type: Standard
Engine: 398 cc (24.2 ci) 16 Valve
Engine Type: Wankel | Cylinders: 4
Engine Stroke: Two | Valve Config: DOHC
Fuel Delivery: Carburettor
Cooling: Liquid | Fuel Type: Petrol
Transmission: 6 speed / Manual
Drive: Chain
Wet Weight: 189 kgs (416 lbs)
Dry Weight: 168 kgs (370 lbs)
Power: 59 bhp (43 kW) @ 12000 rpm
Torque: 26.0 lb-ft (35.2 Nm) @ 10000 rpm
BHP Per Ton: 312.1 bhp
Torque Per Ton: 137.5 lb-ft
0-60 mph (96.6 kph): 11.8 secs
0-100 kph (0-62 mph): 12.1 secs
Top Speed: 110 mph (177.0 kph)
1/4 Mile (Est.): 13.79 secs @ 100 mph
Frame: Steel

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Suzuki GSF 400 Performance Review.

Introduction:

This edition of the Suzuki GSF 400 DOHC is the 6 speed / Manual version and was first brought out in 1991. This was at around the same time as the introduction of the 1991 Norton Commander Rotary and the 1992 Suzuki RGV 250 V-Twin.This particular Suzuki GSF 400 has a 398cc Liquid cooled, Two stroke, Wankel Petrol powerplant with 4 cylinders and Carburettor.

An alternative Wankel engine, Standard style motorbike includes the Yamaha XSR 700 Twin - [2020]

The 1991 GSF 400 shares its Wankel engine and Standard style configuration with the likes of the 2020 Yamaha XSR 700 Twin and the 2018 Yamaha XSR 700 Twin. Alternatively, if you're looking for other bikes which share the GSF 400's Standard style with a similar size of engine then how about the 1989 Yamaha WR 250 Z | 1989cc.1984 Yamaha FZ 400 N | 1984cc.

Power and Torque:

Weighing in at 189 kgs (416 lbs) this makes the Suzuki GSF 400 DOHC in the same weight category as the 2025 Honda X-ADV 745 or the 2025 Kawasaki Z 900 DOHC, give or take 50kg.

The 1991 Suzuki GSF 400 shares the same bhp with the Honda X-ADV 745 - [2025]

In terms of power the 398cc 16 valve Wankel 4 cylinder engine produces 59 bhp (43 kW) @ 12000 rpm similar to the 2025 Honda X-ADV 745 [57.8 bhp (43 kW) @ 6750 rpm] or the 2025 Suzuki SV 650 ABS [73 bhp (54 kW) @ 8500 rpm].

The DOHC Two stroke unit throws out torque of 26.0 lb-ft (35.2 Nm) @ 10000 rpm placing it alongside motorbikes of similar performance figures such as the 2025 Honda MSX 125 Grom [7.6 lb-ft (10.4 Nm) @ 5500 rpm] and the 2025 Yamaha WR 250 F [17.8 lb-ft (24.2 Nm) @ 8100 rpm].

Power to Weight:

If one combines the weight with power or torque performance for the Suzuki GSF 400 you can get a better idea of it's real world performance.

Honda ST 1100 Pan European - [1989] image

The 1989 Honda ST 1100 Pan European has similar Bhp Per Ton stats as the 1991 Suzuki GSF 400 DOHC.

The 1991 Suzuki GSF 400 DOHC has a Power to weight ratio of 312.1 bhp per ton and 137.5 lb-ft per ton. Bhp Per Ton figures of the 1991 GSF 400 competing with the 1989 Honda ST 1100 Pan European [334.6 bhp\ton] and the 2023 Norton Commando 961 CR SP [333.9 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 Suzuki GSF 400 generating around 137.5 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 2013 Honda CB 500 X [162.5 lb-ft per ton] and the 2017 Honda CB 500 X [162.5 lb-ft per ton].

Acceleration:

With a 0-60mph time of 11.8 secs or a 0-100km/h (0-62mph) of 12.1 secs, this makes the Suzuki GSF 400 DOHC similar in acceleration to the 2022 Yamaha WR 250 F (11.8 secs) and the 2018 Honda GL 1800 Gold Wing Tour Airbag (11.8 secs). This Suzuki GSF 400 DOHC 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).

Quarter Mile time is a close race between the 1991 Suzuki GSF 400 DOHC and the 1984 Yamaha XV 1000 Virago

When talking about the performance of the 1991 Suzuki GSF 400 DOHC on the drag strip it can reach a quarter mile in an estimated 13.1 secs @ 100 mph. Bikes with a similar performance down the quarter mile can be found in the 1984 Yamaha XV 1000 Virago (13.1 secs) and the 1968 Suzuki AS 50 Maverick (13.1 secs).

Top Speed:

The 1991 version of the Suzuki GSF 400 DOHC has a maximum speed of 110mph.

Top Speed of the 1991 GSF 400 equals the 1991 Suzuki GSX-R 400 R

If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1991 Suzuki GSF 400 DOHC then how about a 1991 Suzuki GSX-R 400 R (121 mph) and the 1990 Suzuki GSX-R 400 R SP II (121 mph).