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  The 1981 GS1100 is a classic "Universal Japanese Motorcycle" manufactured by Suzuki. This motorcycle was produced from 1980 until 1984, when Suzuki began to produce a larger GS1150 motorcycle. The Suzuki GS series offered its riders practical and versatile motorcycling. Suzuki still produces a GS500F and the larger GSX sport bike series, whose engines reach 1250cc.
  
  

Specifications

• The 1981 Suzuki GS1100 uses a four-stroke, air-cooled engine. The four cylinders are arranged in a straight line. The engine uses a dual overhead camshaft and has four valves per cylinder, totaling 16 valves. The engine's bore and stroke are 2.8 inches by 2.6 inches; the compression ratio is 9.5:1. The total cylinder displacement is 1,075cc, or 65.6 cubic inches. It uses four Mikuni carburetors. The transmission is a constant-mesh, five-speed with chain drive. The front suspension uses telescopic forks,while the rear uses a swing-arm coil spring suspension. The front braking system uses dual disc brakes; the rear tire uses a single disc brake.
  
  

Dimensions and Features

• The overall length of the Suzuki GS1100 is 88.4 inches, the width measures 34.3 inches and the height measures 47 inches. The wheelbase measures 60 inches and ground clearance comes in at 6.1 inches. The total dry weight of this motorcycle is 536 lbs. The turning radius is 9.2 feet. The front tire is a 3.5-inch V19-4PR and the rear tire is a 4.5-inch V17-4PR. The starter is electric and the lubrication system uses a wet sump system. The ignition uses a transistorized system, and the battery is a 12-volt battery. The fuel tank holds a total of 5 gallons and the engine oil holds a total of 3.4 qt. The front fork holds 8 oz. of oil.
  
  

Design and Appearance

• The 1981 Suzuki GS1100 has a 60/55-watt round headlight that is encased in chrome and has an 8/23-watt tail/brake light. Turn signals mount both sides of the bike on the front and back. The indication and display panel features a speedometer, a tachometer, a neutral indicator light, an oil pressure indicator light, and high beam and turn signal indicator lights. The GS1100 was sold in a variety of colors, including black, red and silver with light blue and turquoise decal stripes.