Suzuki GSX750S3 Katana (1984)

The Suzuki GSX750S3 Katana is a motorcycle that was produced in 1984. It features a four-stroke, transverse four-cylinder, DOHC engine with a capacity of 747 cc. The Bore x Stroke is 67 x 53 mm and it is air-cooled with a compression ratio of 9.4:1. It has a wet sump lubrication system and an oil capacity of 3.2 liters. The bike has 4 x 32mm Mikuni RS32SS carburetors for induction and Transistorized ignition with an ignition timing of 15 o BTDC below 1500 rpm and 35 o BTDC above 2350 rpm. The bike requires a battery of 12V 50.4 kC (14 Ah)/10HR – type YB14L-A2 and is equipped with a three-phase A.C. generator. It has a maximum power of 62.6 kW / 84 hp @ 9500 rpm and a maximum torque of 68 Nm / 6.93 kgf-m / 50.2 lb-ft @ 8500 rpm. The bike features a 5-speed constant mesh transmission with a chain final drive system. The frame is made of steel with a double cradle design, and it has telescopic, preload adjustable and hydraulic anti-dive front suspension. The rear suspension is dual shocks with 5-way preload and 4-way rebound damping adjustable. The bike has front and rear disc brakes and 3.25 H16 front and 4.00 H17 rear tires. It has a 22-liter fuel tank and weighs 228 kg / 503 lbs. The top speed of the bike is 215 km/h or 134 mph, and it can do a standing 1/4 mile in 11.9 sec / 182 km/h / 113 mph.

---

Technical specifications:

Make Model: Suzuki GSX 750S3 Katana

Year: 1984

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 H16

Rear Tyre: 4.00 H17

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