Suzuki GSX750S Katana (1982)

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The Suzuki GSX 750S Katana is a motorcycle with a four-stroke, transverse four-cylinder, DOHC engine with 4 valves per cylinder. The motorcycle has a capacity of 747 cc and comes with a 5-speed constant mesh transmission. The ignition is transistorized, with a spark plug gap of 0.6-0.7 mm. The bike comes with a 12V 50.4 kC battery and electric starting. It has a maximum power of 62.6 kW / 84 hp at 9500 rpm and has a maximum torque of 68 Nm / 6.93 kgf-m / 50.2 lb-ft at 8500 rpm. The motorcycle has a steel, double-cradle frame and a telescopic, preload-adjustable front suspension with hydraulic anti-dive. It also has dual shocks, 5-way preload, and 4-way rebound damping adjustable rear suspension. The bike comes with two 275mm discs and 2 piston calipers as front brakes and a single 255mm disc with 1 piston caliper for the rear. It has an overall length of 2250mm, width of 715 mm, and a height of 1195 mm. The bike’s wheelbase is 1520mm and has a dry weight of 228 kg. The bike has a fuel capacity of 22 litres and a top speed of 215 km/h.

Technical specifications:

Make Model: Suzuki GSX 750S Katana

Year: 1982


Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 747 cc / 45.5 cu-in
Bore x Stroke: 67 x 53 mm
Cooling System: Air cooled
Compression Ratio: 9.4:1
Lubrication: Wet sump
Oil Capacity: 3.2 Litres / 3.4 US qt / 2.8 Imp qt
Induction: 4 x 32 mm Mikuni RS32SS carburetors.
Ignition: Transistorized
Ignition Timing: 15 o BTDC below 1500 rpm / 35 o BTDC above 2350 rpm
Spark Plug: NGK D8EA (in E-01,24,25,30,34), NGK DR8ES-L (the others) – gap 0.6-0.7 mm (0.024-0.028 in)
Battery: 12V 50.4 kC (14 Ah)/10HR – type YB14L-A2
Generator: Three-phase A.C. generator
Starting: Electric
Max Power: 62.6 kW / 84 hp @ 9500 rpm

Max Torque: 68 Nm / 6.93 kgf-m / 50.2 lb-ft @ 8500 rpm
Transmission: 5 Speed constant mesh
Final Drive: Chain
Primary Reduction: 2.162:1 (93/43)
Final Reduction: 2.733:1 (41/15)
Gear Ratio: 1st 2.571 (36/14) / 2nd 1.777 (32/18) / 3th 1.380 (29/21) / 4th 1.125 (27/24) / 5th 0.961 (25/26)
Final Drive: Chain Daido D.I.D 630V, 96 links
Frame: Steel, double cradle
Front Suspension: Telescopic, preload adjustable and hydraulic anti-dive.
Front Wheel Travel: 150 mm / 5.91 in
Rear Suspension: Dual shocks, 5-way preload and 4-way rebound damping adjustable.
Rear Wheel Travel: 109 mm / 4.29 in
Front Brakes: 2 x 275mm Discs, 2 piston calipers
Rear Brakes: Single 255 mm disc, 1 piston caliper
Front Tyre: 3.25 H19
Rear Tyre: 4.00 H18
Caster: 61 o30″
Rake: 30 degrees
Trail: 116 mm / 4.67 in
Dimensions: Length 2250 mm / 88.6 in Width 715 mm / 28.1 in Height 1195 mm / 47.0 in

Wheelbase: 1520mm / 59.8 in.
Swat H eight: 775 mm / 30.5 in
Ground Clearance: 175mm / 6.9 in
Dry Weight: 228 kg / 503 lbs
Fuel Capacity: 22 Litres / 5.8 US gal / 4.8 Imp gal
Standing 1/4 Mile: 11.9 sec / 182 km/h / 113 mph
Top Speed: 215 km/h 134 mph

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