Suzuki GS400: history, specs, pictures

**Suzuki GS400**
Manufacturer	Suzuki
Also called	GS400T, GS 400 T, GSX1400 Special Edition, GSX 1400 Special Edition, GSR400, GSR 400, GSR400 ABS, GSR 400 ABS, GSX400S, GSX400L, GSX400 Impulse, GSX400F Katana, GSX400E, GSX400, GSX1400, GSF400 Bandit, GS400E, GSX 400 S, GSX 400 L, GSX 400 Impulse, GSX 400 F Katana, GSX 400 E, GSX 400, GSX 1400, GS 400 E, GS 400, GSF 400 Bandit, GSX-R 400
Production	1976 - 2016
Class	Naked
Engine	in-line four, four-stroke
Bore / Stroke	54.6mm x 42.5mm
Compression ratio	9.5:1
Top speed	94 mph (151 km/h)
Horse Power	59.68 HP (44.5 KW) @ 12000RPM
Torque	28.77 ft/lbs (39.0 Nm) @ 10000RPM
Fuel system	injection
Ignition type	transistorised
Battery	12.2:1
Transmission	Gear box: 6-speed ; Final Drive: chain ; Clutch: wet multi-plate coil spring ;
Suspension	Front: telescopic fork ; Rear: monoshock
Brakes	Front: double disc. abs ; Rear: single disc. abs
Front Tire	120/70-zr17
Rear Tire	180/55-zr17
Wheelbase	56.5 inches (1435 mm)
Dimensions	L 82.28 inches (2090 mm); W 3.74 inches (95 mm); H 42.32 inches (1075 mm);
Seat height	30.91 inches (785 mm)
Weight	462.97 pounds (210.0 Kg) (dry), 215.0 kg (wet)
Fuel capacity	4.23 Gallon (16.00 Liters)
Oil capacity	1.03 Gallon (3.90 Liters)
Fuel consumption	3.13 litres/100 km (31.9 km/l or 75.15 mpg)
Manuals	Service Manual
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Suzuki GS400
Manufacturer	Suzuki
Production	77-78
Engine	400cc
Sparkplug	B8ES '77-78
Battery	YB10L-A2 '77-78
Front Tire	3.00-18 '77-78
Rear Tire	3.50-18 '77-78
Manuals	Service Manual
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The Suzuki GS400 is a motorcycle produced by Suzuki from 1977 to 1978.

1977 GS400B

1977 Suzuki GS400B

FRAME #: GS400-10001
ENGINE #: ... GS400-10001
ENGINE TYPE: 398cc Four-stroke Twin
MODEL CODE: 440
COLOR: Red, Silver
Black side covers
Chrome lower steering stem cover
Digital gear indicator
Electric Start

1978 GS400C

1978 Suzuki GS400C

FRAME #: GS400-32557
ENGINE #: GS400-32745
ENGINE TYPE: 398cc Four-stroke Twin
MODEL CODE: 440
COLOR: Burgundy, Blue
Tank and tail piece stripes
Side covers primary color
Electric Start
Digital gear indicator

The Suzuki GSR400 ABS was a in-line four, four-stroke Naked motorcycle produced by Suzuki between 1976 and 2016. It could reach a top speed of 94 mph (151 km/h). Max torque was 28.77 ft/lbs (39.0 Nm) @ 10000 RPM. Claimed horsepower was 59.68 HP (44.5 KW) @ 12000 RPM.

Engine

The engine was a liquid cooled in-line four, four-stroke. A 54.6mm bore x 42.5mm stroke result in a displacement of just 398.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive

The bike has a 6-speed transmission. Power was moderated via the wet multi-plate coil spring.

Chassis

It came with a 120/70-zr17 front tire and a 180/55-zr17 rear tire. Stopping was achieved via double disc. abs in the front and a single disc. abs in the rear. The front suspension was a telescopic fork while the rear was equipped with a monoshock. The GSR400 ABS was fitted with a 4.23 Gallon (16.00 Liters) fuel tank. The bike weighed just 462.97 pounds (210.0 Kg). The wheelbase was 56.5 inches (1435 mm) long.

1976 - 1979 Suzuki GS 400

With the Suzuki GS 400, the Japanese manufacturer introduced a motorcycle in the fall of 1976, which was soon to become a popular entry-level machine. At the beginning, the motorcycle had 34 hp at 8,500 rpm, but was throttled from May 1977 to an insurance-friendly 27 hp at 7,400 rpm. Deceleration is, in principle, possible, but very complex, because the camshaft has to be replaced. The GS 400, however, is one of the cases in which the motorcycle has also gained some weight because of the throttling, because the usable speed band became significantly larger.

1979 - 1984 Suzuki GSX 400 E

GSX400E was presented for the first time in Japan, in 1979 and one year later it hit the European roads too. Here it replaced the known GS425.

1992 Suzuki GS 400 E

For 11 years, from 1976 till 1987, Suzuki produced its GS line of motorcycles. All of them had air cooled, 4-stroke engines with dispacements between 250 and 1100cc. In 1976 Suzuki had a great offer: GS400, GS550 and GS750. All of them were similar as design and had two valves per cylinder, double overhead camshafts, telescopic fork and elecric start. The first generation of GS 400 had 34 horses and after a while it was increased to 37 horses. In Germany, there were only 27 horses for the GS400 model. In some countries a GS400XB and a GS400XC were presented as well. Although in America it was still called GS400E, in 1980 there was another version, GSX400E, which replaced the old 400E. In 1991 a new GS400E was relaunched but it had a very short life, being soon replaced by another well known bike, GS550E.

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