Suzuki GSX400S Katana
1992—1993

I have tried to tell the Suzuki GSX 400 S Katana model history on this page as I know it. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.

1992 Suzuki year code: N, GSX400SSN

The liquid-cooled GSX400S Katana (GK77A) was released in 1992. Colors: Dune Gray Metallic (28C), Bright Silver Metallic (13L)

1992 Suzuki GSX 400 S Katana Overall Length: 2 060 mm (81.1 in.) Overall Width: 700 mm (27.6 in.) Overall Height: 1 150 mm (45.3 in.) Wheelbase: 1 430 mm (56.3 in.) Dry Weight: 182 kg (400 lbs) Engine: Liquid-cooled 399 cc inline-4, DOHC, 16 valves. 53 hp (39.5 kW) @ 10 500 rpm, 37.3 Nm (3.8 kg-m) @ 9 500 rpm. Click on the image for larger format.

1993 Suzuki year code: P

1993 Suzuki GSX 400 S Katana Overall Length: 2 060 mm (81.1 in.) Overall Width: 700 mm (27.6 in.) Overall Height: 1 150 mm (45.3 in.) Wheelbase: 1 430 mm (56.3 in.) Dry Weight: 182 kg (400 lbs) Engine: Liquid-cooled 399 cc inline-4, DOHC, 16 valves. 53 hp (39.5 kW) @ 10 500 rpm, 37,3 Nm (3.8 kg-m) @ 9 500 rpm. Click on the image for larger format.

GSX400S Katana specifications (Japan)
Overall Length:	2 060 mm (81.1 in.)
Overall Width:	700 mm (27.6 in.)
Overall Height:	1 150 mm (45.3 in.)
Wheelbase:	1 430 mm (56.3 in.)
Road Clearance:	150 mm (5.9 in.)
Seat Height:	750 mm (29.5 in.)
Dry Weight:	182 kg (400 lbs)
Turning Radius:	3,0 m (118.1 in.)
Engine:	Water-cooled 4-stroke, inline-four
Valves:	DOHC, four valves per cylinder
Cylinder Volume:	399 cc
Bore x Stroke:	52x 47 mm
Compression Ratio:	11.8 : 1
Power Output:	53 hp (39.5 kW) hp @ 10,500 rpm
Torque:	37.3 Nm (3.8 kg-m) @ 9,500 rpm
Carburetor Type:	BST32
Starter System:	Electric starter
Ignition System:	Full transistor
Lubricating Type:	Wet sump
Oil Capacity:	4.0 liter
Gasoline Tank Capacity:	17 liter
Clutch Type:	Wet multiple plates, Coil spring
Transmission Type	6-speed constant mesh
Gear Ratio: 1st gear	3.363
2nd gear	2.307
3rd gear	1.750
4th gear	1.437
5 speed	1.250
6 speed	1.150
Primary Drive Ratio:	1.750
Secondary Drive Ratio:	3.571
Frame Type:	Double Cradle
Caster:	25” 40´
Trail:	101 mm (3,98 in.)
Front Brake Type:	Hydraulic double disk
Rear Brake Type:	Hydraulic single disk
Front Tire Size:	100/80-18 53h
Rear Tire Size:	140/70-17 66h
Steering Angle (left to right):	32°

All the larger motorcycles made for the Japanese home market are power restricted. Prior to 1993 the maximum horsepower were the following:   250cc class: 45hp   400cc class: 59 hp   750cc class: 77 hp   over 750cc: not allowed The new limits for the models built in 1993 and after, were:   250cc class: 40hp   400cc class: 53 hp   750cc class: 77 hp   over 750cc: allowed, but restricted to 100 hp. Bikes with more powerful engines are and were made for export only. However, if a Japanese private person wants to buy an unrestricted bike, they are allowed to import it from another country by themselves for private use...

More: Suzuki GSX models

More: All Suzuki models

Sources: www.infomadonna.ne.jp/~redking, www04.u-page.so-net.ne.jp/ca2
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