Suzuki GS400: history, specs, pictures

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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
Tech Specs · Brochures · Reviews · Ads · Videos

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
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
Tech Specs · Brochures · Reviews · Ads · Videos

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.


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).


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


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

1976 - 1979 Suzuki GS 400 1976 - 1979 Suzuki GS 400 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.

1984 - 1989 Suzuki GSX-R 400

1984 - 1989 Suzuki GSX-R 400 1984 - 1989 Suzuki GSX-R 400 1984 - 1989 Suzuki GSX-R 400

The GSX-R400 was released in 1984, being based on Yoshimura's TT-F3 racer GS1000R. The GSX-R400 was the first mass produced light weight racer with a liquid cooled four cylinder engine. Twelve-second quarter-miles from just 400cc that's what you need to know about Suzuki's GSX-R. It's a motorcycle designed to devastate the competition in Japan's highly competitive 400cc class.

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.

2002 Suzuki GSX 1400

2002 Suzuki GSX 1400 2002 Suzuki GSX 1400 2002 Suzuki GSX 1400

The GSX 1400 was the best compromise between the muscle bikes of the 1980s and the modern 3rd millennium technology. Compact, comfortable and providing a commanding riding position, the 2002 MY GSX 1400 is great on the highway, as it is rewarding on countryside roads and in the city.

Powerful, nimble and with plenty of passing grunt, the 2002 MY GSX 1400 is apparently capable to offer a much better riding experience if you buy a flyscreen. This 1402cc bike will be begging you to pull harder on the throttle and you'll surprise yourself how fast you're riding.

2003 Suzuki GSX 1400

2003 Suzuki GSX 1400 2003 Suzuki GSX 1400

The 2003 model year has no significant changes over the previous iteration. However, if you see a GSX 1400 with the springs of the rear shocks painted red, this means you;re looking at a machine manufactured and sold in the Japanese market. For some reason, the Silver Metallic bikes have only been offered as a domestic treat. The rest of the bikes have white coated wheels, which turned out to be a pain the back to clean.

2004 Suzuki GSX 1400

2004 Suzuki GSX 1400 2004 Suzuki GSX 1400

The 2004 model year GSX 1400 introduces new graphics designs for the tank and the tail section, while the wheels receive a black coating to match the darkened trim of the engine and engine covers. The sober livery makes the GSX 1400 look a tad more aggressive, maybe because it is now less flashy. Still the retro vibe is intact, with the dual flared exhaust silencers and their chrome finish, the round headlight and the one-piece two-up profiled seat.

Riders will enjoy 106 horsepower at 6,800 revs, while the peak torque of 124 Nm is reached at 5,000 rpm for solid nerve in the urban environment, as well.

2005 Suzuki GSX 1400

2005 Suzuki GSX 1400 2005 Suzuki GSX 1400 2005 Suzuki GSX 1400 2005 Suzuki GSX 1400

The biggest change in the architecture of the 2005 MY GSX 1400 is the new exhaust system. The classic 4-into-2-into-2 was replaced by a 4-into-1 design which lowered the overall weight of the machine. Even though the peak torque figure dropped 2 Nm, the 2005 MY GSX 1400 remains a sizzling hot ride which is equally great for both urban and highway rides, with its smooth cornering capabilities making it great for leisurely countryside riding,a s well.

Like other bikes in the same model year, the new GSX 1400 dropped the lettering badge and replaced it with an S emblem.

2006 Suzuki GSX 1400

2006 Suzuki GSX 1400 2006 Suzuki GSX 1400 2006 Suzuki GSX 1400

If anything, the 2006 MY GSX 1400 is not a bike for the faint-hearted. You're getting quite a lot of bike for the money, with a brawny air/oil-cooled 1402cc in-line four loaded in a retro naked frame and set for the ultimate street thrill. For some markets, the 2006 MY is the last GSX 1400 which will be sold, with the strict Euro emission regulations putting an end to this bike.

Still, if a classic road racer with a slightly retro vibe is what you're after, then the GSX 1400 is your tool. There's hardly a better bike for sweet autumn rides through the countryside, and which can do just as well in the city or on the highway.

2007 Suzuki GSX 1400

2007 Suzuki GSX 1400 2007 Suzuki GSX 1400

Even though in certain markets the GSX 1400 is no longer sold, the model lives on and the 2007 MY retains all the street cred of the previous generation. Already a sizzling hot naked machine, the GSX 1400 still oozes retro sport bike styling, with the flared exhaust being an attention-grabber, and the oil-cooled massive engine dominating the mid-ship segment.

For the 2007 model, the graphics have been updated, but no tech specs were altered.

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