Suzuki GSX 400 S - 1984 Specifications and Reviews

The 1984 Suzuki GSX 400 S is an air-cooled middleweight sport bike ideally suited for novice and intermediate riders seeking an affordable, reliable entry into sportbike riding. Known for its responsive twin-cylinder engine and nimble handling characteristics, it delivers accessible performance with a top speed near 94 mph. This classic remains valued for its durability and straightforward mechanical design.

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General information

CategoryClassic
Year1984
ModelSuzuki GSX 400 S
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemAir
Fuel controlDOHC
Valves per cylinder4
Bore x stroke67.0 x 56.6 mm (2.6 x 2.2 inches)
Compression10.0:1
Top speed151.0 km/h (93.8 mph)
Power27.00
Engine typeTwin, four-stroke
Capacity:399.00 ccm (24.35 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions3.75-18
Front tyre dimensions3.00-18

Physical measures and capacities

Fuel capacity15.00 litres (3.96 gallons)
Weight incl. oil, gas, etc190.0 kg (418.9 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

27 hp
Peak Power
7.5s
0-60 mph
93.8 mph
Top Speed

Best For

Track25%
City65%
Cornering55%
Daily Riding60%
Touring35%
Passenger35%

Rider Profile

Best ForThis is a modest, forgiving machine well suited to beginner and early-intermediate riders building confidence.
PurposeIt is a low-displacement air-cooled naked bike intended for relaxed commuting and casual street riding rather than outright performance.
Rider FitIts light weight and low seat-friendly stance make it manageable for riders of smaller stature or those new to handling a motorcycle.
CharacterThe bike has a classic, understated air-cooled twin character with modest power delivery and simple, approachable mechanics.
Not Ideal ForIt is not suited for riders seeking high-speed touring, aggressive track performance, or off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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