Suzuki GSX400 Inazuma
1997—

I have tried to tell the Suzuki Inazuma 400 model history on this page, as I know it. The page is still under construction. 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.

Suzuki model year code: H

Suzuki launched a new model, Inazuma 400, for 1997. It was a large bike, the same frame was used with a three times larger engine with the Inazuma 1200, presented a year after its smaller brother. Even the mechanics are quite similar, only the Inazuma 400 engine is smaller, giving about half of the power output of the big brother. Starting frame number: GK7BA-10001

1997 Suzuki GSX 400 Inazuma Overall Length: 2 140 mm (84.3 in) Overall Width: 745 mm (29.3 in) Overall Height: 1 090 mm (42.9 in) Seat Height: 760 mm (29.9 in) Wheelbase: 1 460 mm (57.5 in) Ground Clearance: 125 mm (4.9 in) Dry Weight: 187 kg (411 lbs) Engine: Air/oil-cooled 399 cc inline-4, DOHC, 16 valves. 52 hp (38 kW) @ 11 000 rpm, 36 Nm 3.7 kg-m) @ 9 500 rpm Click on the image for larger format.

Suzuki model year code: W

In February 1999 Suzuki presented the '99 Inazuma. The model was virtually unchanged, except for new colors; Black being one of them.

1999 Suzuki GSX 400 Inazuma Overall Length: 2 140 mm (84.3 in) Overall Width: 745 mm (29.3 in) Overall Height: 1 090 mm (42.9 in) Seat Height: 760 mm (29.9 in) Wheelbase: 1 460 mm (57.5 in) Ground Clearance: 125 mm (4.9 in) Dry Weight: 187 kg (411 lbs) Engine: Air/oil-cooled 399 cc inline-4, DOHC, 16 valves. 52 hp (38 kW) @ 11 000 rpm, 36 Nm 3.7 kg-m) @ 9 500 rpm Click on the image for larger format.

Suzuki model year code: Y

In November 2000 Suzuki presented the new somewhat upgraded GSX400 Inazuma. The carburetor was now equipped with a throttle position sensor improving the throttle response.

2001 Suzuki GSX 400 Inazuma Overall Length: 2 140 mm (84.3 in) Overall Width: 745 mm (29.3 in) Overall Height: 1 090 mm (42.9 in) Seat Height: 760 mm (29.9 in) Wheelbase: 1 460 mm (57.5 in) Ground Clearance: 125 mm (4.9 in) Dry Weight: 187 kg (411 lbs) Engine: Air/oil-cooled 399 cc inline-4, DOHC, 16 valves. 52 hp (38 kW) @ 11 000 rpm, 36 Nm 3.7 kg-m) @ 9 500 rpm Click on the image for larger format.

2001 Suzuki GSX 400 Inazuma Overall Length: 2 140 mm (84.3 in) Overall Width: 745 mm (29.3 in) Overall Height: 1 090 mm (42.9 in) Seat Height: 760 mm (29.9 in) Wheelbase: 1 460 mm (57.5 in) Ground Clearance: 125 mm (4.9 in) Dry Weight: 187 kg (411 lbs) Engine: Air/oil-cooled 399 cc inline-4, DOHC, 16 valves. 52 hp (38 kW) @ 11 000 rpm, 36 Nm 3.7 kg-m) @ 9 500 rpm Click on the image for larger format.

2001 Suzuki GSX 400 Inazuma Overall Length: 2 140 mm (84.3 in) Overall Width: 745 mm (29.3 in) Overall Height: 1 090 mm (42.9 in) Seat Height: 760 mm (29.9 in) Wheelbase: 1 460 mm (57.5 in) Ground Clearance: 125 mm (4.9 in) Dry Weight: 187 kg (411 lbs) Engine: Air/oil-cooled 399 cc inline-4, DOHC, 16 valves. 52 hp (38 kW) @ 11 000 rpm, 36 Nm 3.7 kg-m) @ 9 500 rpm Click on the image for larger format.

Suzuki model year code: K2

2002 Suzuki GSX 400 Inazuma Overall Length: 2 140 mm (84.3 in) Overall Width: 745 mm (29.3 in) Overall Height: 1 090 mm (42.9 in) Seat Height: 760 mm (29.9 in) Wheelbase: 1 460 mm (57.5 in) Ground Clearance: 125 mm (4.9 in) Dry Weight: 187 kg (411 lbs) Engine: Air/oil-cooled 399 cc inline-4, DOHC, 16 valves. 52 hp (38 kW) @ 11 000 rpm, 36 Nm 3.7 kg-m) @ 9 500 rpm Click on the image for larger format.

2001 Suzuki GSX400 Inazuma (GK7BA) specifications (Japan)
Engine Type (code K717):	Air/oil-cooled inline-4 DOHC 4-stroke, 16 valves
Cylinder Volume:	399 cc
Bore x Stroke:	52,0 x 47,0 mm (2.047 x 1.850 in.)
Compression Ratio:	11,2 :1
Power output:	52 ps (38 kW)/ 11.000 rpm
Torque:	36 Nm (3,7 kg-m)/ 9.500 rpm
Fuel tank capacity:	18,0 liter
Fuel economy:	36,5 km/l (60kph)
Carburetor:	CVR28
Lubrication system:	Wet sump
Engine oil capacity:	4,7 liter
Starting System:	Electric starter
Ignition type:	Full transistor
Transmission type:	6-speed constant mesh
Gearshift pattern:	1-down, 5-up
Secondary drive type:	Chain
Primary reduction:	1.785
Final reduction:	3.5
Gear ratios:	3.250/2.266/1.705/1.400/1.227/1.136
Clutch type:	Wet multi-plate type
Frame type:	Double craddle
Front suspension:	Telescopic
Rear suspension:	Swing arm
Overall Length:	2 140 mm (84.3 in)
Overall Width:	745 mm (29.3 in)
Overall Height:	1 090 mm (42.9 in)
Wheelbase:	1 460 mm (57.5 in)
Seat Height:	760 mm (29.9 in)
Ground Clearance:	125 mm (4.9 in)
Dry Weight:	187 kg (411 lbs)
Front tire size:	120/70ZR17
Rear tire size:	170/60ZR17
Front brake:	Hydraulic twin disc (290mm)
Rear brake:	Hydraulic single disc
Minimum turning radius:	2,7 meter
Caster:	25°
Trail:	102 mm (4.16 in.)
Seating capacity:	2 persons
Retail price 2001 in Japan:	619.000 Yen

More: Suzuki GSX400 Inazuma brochures

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