Suzuki GS 650G Katana (1983-84)

The Suzuki GS 650G Katana motorcycle was produced from 1983-84 and had a four stroke, transverse four cylinder engine with a capacity of 673 cc. It had four 32 mm Mikuni BS32SS CV carburetors and a transistorized ignition system. The motorcycle had a maximum power output of 53.2 kW / 73 hp at 9400 rpm and maximum torque of 57 Nm / 5.8 kgf-m / 42 lb-ft at 8000 rpm. The transmission was five-speed and the final drive was a shaft. The front suspension was an air-assisted telescopic fork and the rear suspension was dual shocks with 5-way preload and 4-way damping. The brakes were two 275mm discs with one piston calipers for the front and a single 275mm disc with a one piston caliper for the rear. The motorcycle had a fuel capacity of 23 L / 6.1 US gal / 5.1 Imp gal and had an average fuel consumption of 5.6 L/100 km. Its standing 1/4 mile was 13.2 sec at 162 km/h with a top speed of 200 km/h. Its dimensions were 2180 mm / 85.8 in for length, 730 mm / 28.7 in for width, and 1120 mm / 44.1 in for height, and its dry weight was 218 kg / 484 lbs. The rake was 40o and the trail was 113 mm or 4.3 in. The motorcycle had a ground clearance of 160 mm / 6.3 in and a seat height of 780 mm / 30.7 in.

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Technical specifications:

Make Model: Suzuki GS 650G Katana

Year: 1983 – 84

Engine: Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder.

Capacity: 673 cc / 41 cu in

Bore x Stroke: 62 x 55.8 mm

Compression Ratio: 9.4:1

Cooling System: Air cooled

Induction: 4 x 32 mm Mikuni BS32SS CV carburetors

Ignition: Transistorized

Ignition timing: 10 o BTDC below 1650 rpm / 40 o BTDC above 3500 rpm

Spark Plug: NGK D8EA (E-01, 24 & 34) NGK DR8ES-L (the others) – gap 0.6-0.7 mm (0.024-0.028 in)

Battery: 12V 50.4 kC (14Ah)/10HR – type YB14L-A2

Starting: Electric

Generator: Three-phase A.C. generator

Max Power: 53.2 kW / 73 hp @ 9400 rpm

Max Torque: 57 Nm / 5.8 kgf-m / 42 lb-ft @ 8000 rpm

Transmission: 5 Speed

Final Drive: Shaft

Primary Reducation: 1.956 (90/46)

Secondary Reducation: 0.941 (16/17)

Gear Ratios: 1st 2.678 (36/14) x (25/24) / 2nd 1.851 (32/18) x (25/24) / 3th 1.438 (29/21) x (25/24) / 4th 1.171 (27/24) x (25/24) / 5th 1.000 (Direct)

Final Reducation: 3.090 (34/11)

Front Suspension: Air assisted telescopic fork

Front Wheel Travel: 150 mm / 5.9 in

Rear Suspension: Dual shocks, 5-way preload and 4-way damping

Rear Wheel Travel: 110 mm / 4.2 in

Front Brakes: 2 x 275mm discs, 1 piston calipers

Rear Brakes: Single 275mm disc, 1 piston caliper

Front Tyre: 3.25 H19

Rear Tyre: 4.25H 17

Rake: 40o

Trail: 113 mm . 4.3 in

Dimensions: Length: 2180 mm / 85.8 in Width: 730 mm / 28.7 in Height: 1120 mm / 44.1 in

Wheelbase: 1480 mm / 58.3 in

Ground Clearance: 160 mm / 6.3 in

Seat Height: 780 mm / 30.7 in

Dry Weight: 218 kg / 484 lbs

Fuel Capacity: 23 L / 6.1 US gal / 5.1 Imp gal

Consumption Average: 5.6 L/100 km / 18.0 km/l / 42.3 US mpg / 50.8 Imp mpg

Standing 1/4 Mile: 13.2 sec / 162 km/h / 101 mph

Top Speed: 200 km/h / 124 mph