1983 Suzuki GSX 1100S Katana

Country of Manufacture: Japan
Year: 1983
Vin #:  JS1GU72A6D2100299
Frame: Steel tubes with double cradle
Suspension:         
FRONT: Telescopic, oil damped, spring 4-way adjustable with anti-dive
REAR: Dual shock oil damped, damper 4-way/spring 5-way adjustable
Wheels: 3 spoke cast alloy
Brakes:
FRONT: 2 x 275mm disks with 2 piston calibers
REAR: Single 275mm disk with 1 piston caliper
Weight (dry): 230.7 kg. (511.7 lb)
Tank Capacity: 22 Litres (5.8 gal)
Horsepower: 108 bhp @ 8500 rpm
Gearbox: 5 speed/chain
Engine:
Type: Air cooled 4 stroke
Cylinders: Transverse 4 cylinder
Cylinder Head: 4 valves per cylinder
Displacement: 1074 cc
Compression Ratio: 9.5:1
Ignition: Magnetically triggered/electric
Timing System: Dual overhead camshafts, chain operated
Clutch: Multi disk, wet plate
Primary Drive: Helical gear.
Carburetors; 4 x Mikuni CV 34 mm
Exhaust System: 4 into 2 with balance tube under engine
Top Speed: 141 mph-Motorcyclist Magazine test 1981

Production: The Katana that was first introduced as a 1982 model, was a landmark design and widely regarded as the most radically designed production motorcycle to appear up to that time.  To achieve the Katana’s wind cheating aerodynamics, Suzuki went outside the company to Hans Muth of Target Design of Germany. For 1983, (the second and final year of series 1 Katana production), Suzuki implemented several mechanical upgrades that comprised an increase in engine capacity (from 998cc to 1074cc) and suspension changes making for much improved handling and ride characteristics. These upgrades not only increased overall performance but also reduced weight by 3 lbs and at the same time, added 3 bhp. Cycle World tested the 1983 Katana and claimed it to be the quickest stock motorcycle it had ever tested over the quarter mile.


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