1990 Suzuki GSX 1100S Katana Specifications

Name: 1990 Suzuki GSX 1100S Katana
Brand: Suzuki

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1990 Suzuki GSX 1100S Katana Overview

The 1990 Suzuki GSX 1100S Katana is a sport motorcycle built around 1074 cc of displacement. Under the tank sits a Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder engine, a compression ratio of 9.5:1. 1990 Suzuki GSX 1100S Katana delivers 83.9 kW @ 9500 rpm of peak power and 97.1 Nm @ 6500 rpm of torque. The factory-quoted top speed stands at 220 km/h, making it a capable performer in its class. From a practical standpoint, the 1990 GSX 1100S Katana tips the scales at 243 kg, carries a 22 L fuel tank, offers a seat height of 775 mm and spans a 1520 mm wheelbase. Scroll down for the complete 1990 Suzuki GSX 1100S Katana spec sheet covering every technical detail from suspension travel to tyre sizes.

1990 GSX 1100S Katana - Pros & Cons

Strengths

Strong power output: 1990 Suzuki GSX 1100S Katana makes 83.9 kW @ 9500 rpm with 97.1 Nm @ 6500 rpm of torque - competitive figures for its class.
Large fuel range: The 22 L tank is generously sized, translating to extended range between stops - ideal for touring or longer commutes.

Considerations

Age-related wear: As with any used GSX 1100S Katana, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.

Owner Experiences & Common Issues

Low-speed confidence

At 243 kg, the GSX 1100S Katana is a substantial machine. New owners occasionally mention that slow-speed manoeuvring in car parks takes a little getting used to. Once moving, the weight disappears - but practising slow-speed exercises builds confidence quickly.

GSX 1100S Katana - Buying & Maintenance Guide

What to check before buying

When inspecting a used 1990 Suzuki GSX 1100S Katana, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained GSX 1100S Katana should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any GSX 1100S Katana. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

1990 Suzuki GSX 1100S Katana - Frequently Asked Questions

What engine does the 1990 Suzuki GSX 1100S Katana have?

The 1990 Suzuki GSX 1100S Katana uses a Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. engine with 1074 cc of displacement. It is air cooled.

What is the top speed of the 1990 Suzuki GSX 1100S Katana?

The 1990 Suzuki GSX 1100S Katana has a factory-quoted top speed of 220 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.

How much does the 1990 Suzuki GSX 1100S Katana weigh?

The 1990 Suzuki GSX 1100S Katana weighs 243 kg. This is the manufacturer's wet figure.

How much power does the 1990 Suzuki GSX 1100S Katana make?

The 1990 Suzuki GSX 1100S Katana produces 83.9 kW @ 9500 rpm of power and 97.1 Nm @ 6500 rpm of torque. These are peak figures.

What is the fuel tank capacity of the 1990 Suzuki GSX 1100S Katana?

The 1990 Suzuki GSX 1100S Katana has a 22 L fuel tank. At around 5-6 litres per 100 km, that is roughly 366-440 km between stops.

Is the 1990 Suzuki GSX 1100S Katana suitable for shorter riders?

The 1990 Suzuki GSX 1100S Katana has a seat height of 775 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 1990 Suzuki GSX 1100S Katana have?

The 1990 Suzuki GSX 1100S Katana uses 2 x 275 mm Discs, 2 piston calipers at the front and Single 275 mm disc, 1 piston caliper at the rear.

What tyre sizes does the 1990 Suzuki GSX 1100S Katana use?

The 1990 Suzuki GSX 1100S Katana runs 3.50 - V19 front and 4.50 - V17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 1990 Suzuki GSX 1100S Katana have?

The 1990 Suzuki GSX 1100S Katana is fitted with a 5 Speed transmission.

Suzuki GSX 1100S Katana Spec Evolution

The Suzuki GSX 1100S Katana was produced across 6 model years (1981-1992). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	1981	1982	1983	1984	1990	1992
Wet Weight	272.0 kg / 599.7 lbs	272.0 kg / 599.7 lbs	272.0 kg / 599.7 lbs	272.0 kg / 599.7 lbs	243 kg / 535 lbs	243 kg / 535 lbs
Engine Type	In-line four, four-stroke	In-line four, four-stroke	In-line four	In-line four	-	-
Top Speed	228.0 km/h / 141.7 mph	228.0 km/h / 141.7 mph	228.0 km/h / 141.7 mph	228.0 km/h / 141.7 mph	220 km/h / 136.4 mph	220 km/h / 136.4 mph
Fuel Capacity	24.00 litres / 6.34 gallons	21.00 litres / 5.55 gallons	21.00 litres / 5.55 gallons	21.00 litres / 5.55 gallons	22 L / 5.8 US gal / 4.8 Imp gal	22 L / 5.8 US gal / 4.8 Imp gal
Brakes - Front	Dual disc	Dual disc	Dual disc	Dual disc	2 x 275 mm Discs, 2 piston calipers	2 x 275 mm Discs, 2 piston calipers
Brakes - Rear	Single disc	Single disc	Single disc	Single disc	Single 275 mm disc, 1 piston caliper	Single 275 mm disc, 1 piston caliper
Model	-	-	-	-	1985 - 89	1990 - 93
Final Drive	Chain	Chain	Chain	Chain	Chain, Daido D.I.D 630YL, 96 links	Chain, Daido D.I.D 630YL, 96 links