Suzuki GSX 400 F Impulse - [1999] Review and Comparison including Similar Bikes, Alternative Bikes, Performance Specs and Technical Information.

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Performance Review: Suzuki GSX 400 F Impulse - [1999]

Suzuki GSX 400 F Impulse - [1999]

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Figures & Specs Summary:

Edition: Suzuki GSX 400 F Impulse
Year: 1999 | Type: Standard
Engine: 399 cc (24.3 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: 0 kgs (0 lbs)
Dry Weight: 153 kgs (337 lbs)
Power: 59 bhp (43 kW) @ 12000 rpm
Torque: 27.2 lb-ft (37.0 Nm) @ 10500 rpm
BHP Per Ton: 341.0 bhp
Torque Per Ton: 157.8 lb-ft
0-60 mph (96.6 kph): 10.8 secs
0-100 kph (0-62 mph): 11.1 secs
Top Speed: 112 mph (180.2 kph)
1/4 Mile (Est.): 0 secs @ 0 mph
Frame: Steel

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Suzuki GSX 400 Performance Review.

Introduction:

This edition of the Suzuki GSX 400 F Impulse is the 6 speed / Manual version and was first brought out in 1999. This was at around the same time as the introduction of the 2000 Honda CBR 900 RR Fireblade 929 and the 2000 Yamaha YZF1000 R1.This particular Suzuki GSX 400 has a 399cc 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 1999 GSX 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 GSX 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 0 kgs (0 lbs) this makes the Suzuki GSX 400 F Impulse in the same weight category as the 2025 Yamaha Tracer 9 GT or the 2025 Yamaha Tracer 9 GT+, give or take 50kg.

The 1999 Suzuki GSX 400 shares the same bhp with the Honda X-ADV 745 - [2025]

In terms of power the 399cc 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 Yamaha MT-07 Twin Cylinder [73.4 bhp (54 kW) @ 8750 rpm].

The DOHC Two stroke unit throws out torque of 27.2 lb-ft (37.0 Nm) @ 10500 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 Yamaha Ténéré 700 Rally [50.2 lb-ft (68.0 Nm) @ 6500 rpm].

Power to Weight:

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

The 2017 Kawasaki Z 650 DOHC has similar Bhp Per Ton stats as the 1999 Suzuki GSX 400 F Impulse.

The 1999 Suzuki GSX 400 F Impulse has a Power to weight ratio of 341.0 bhp per ton and 157.8 lb-ft per ton. Bhp Per Ton figures of the 1999 GSX 400 competing with the 2017 Kawasaki Z 650 DOHC [365.7 bhp\ton] and the 2020 Kawasaki Z 650 DOHC [365.7 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 Suzuki GSX 400 generating around 157.8 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 1977 Honda CB 750 F2 [182.6 lb-ft per ton] and the 1996 Suzuki GSF 600 S Bandit [182.5 lb-ft per ton].

Acceleration:

With a 0-60mph time of 10.8 secs or a 0-100km/h (0-62mph) of 11.1 secs, this makes the Suzuki GSX 400 F Impulse similar in acceleration to the 2005 Suzuki GSF 650 S Bandit (10.8 secs) and the 2004 Suzuki GSX 400 F Impulse (10.8 secs). This Suzuki GSX 400 F Impulse 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 1999 Suzuki GSX 400 F Impulse and the 1985 Kawasaki ZX 400 R

When talking about the performance of the 1999 Suzuki GSX 400 F Impulse 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 1985 Kawasaki ZX 400 R (0 secs) and the 1982 Honda CB 125 Disc (0 secs).

Top Speed:

The 1999 version of the Suzuki GSX 400 F Impulse has a maximum speed of 112mph.

Top Speed of the 1999 GSX 400 equals the 2009 Suzuki GSF 650 N Bandit

If maxing out your bike on the AutoBahn is your thing and you're wondering what's faster at the top end than the 1999 Suzuki GSX 400 F Impulse then how about a 2009 Suzuki GSF 650 N Bandit (123 mph) and the 2007 Suzuki GSF 650 N Bandit (123 mph).