Technical specifications
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| Model: |
GS 650G Katana |
| Years: |
1981-82 |
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Engine:
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Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder.
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Capacity:
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673 cc / 41 cu in
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Bore x Stroke:
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62 x 55.8 mm
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Compression Ratio:
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9.4:1
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Cooling System:
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Air cooled
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Induction:
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4 x 32 mm Mikuni BS32SS CV carburetors
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Ignition:
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Transistorized
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Ignition timing:
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10º BTDC below 1650 rpm / 40º BTDC above 3500 rpm
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Spark Plug:
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NGK D8EA (E-01, 24 & 34) NGK DR8ES-L (the others) - gap 0.6-0.7 mm (0.024-0.028 in)
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Battery:
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12V 50.4 kC (14Ah)/10HR - type YB14L-A2
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Starting:
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Electric
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Generator:
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Three-phase A.C. generator
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Max Power:
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53.2 kW / 73 hp @ 9400 rpm
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Max Torque:
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57 Nm / 5.8 kgf-m / 42 lb-ft @ 8000 rpm
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Transmission:
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5 Speed
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Final Drive:
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Shaft
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Primary Reducation:
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1.956 (90/46)
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Secondary Reducation:
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0.941 (16/17)
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Gear Ratios:
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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)
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Final Reducation:
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3.090 (34/11)
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Front Suspension:
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Air assisted telescopic fork
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Front Wheel Travel:
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150 mm / 5.9 in
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Rear Suspension:
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Dual shocks, 5-way preload and 4-way damping
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Rear Wheel Travel:
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110 mm / 4.2 in
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Front Brakes:
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2 x 275mm discs, 1 piston calipers
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Rear Brakes:
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Single 275mm disc, 1 piston caliper
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Front Tyre:
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3.25 H19
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Rear Tyre:
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4.25H 17
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Rake:
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40o
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Trail:
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113 mm . 4.3 in
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Dimensions:
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Length: 2180 mm / 85.8 in Width: 730 mm / 28.7 in Height: 1120 mm / 44.1 in
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Wheelbase:
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1480 mm / 58.3 in
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Ground Clearance:
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160 mm / 6.3 in
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Seat Height:
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780 mm / 30.7 in
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Dry Weight:
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218 kg / 484 lbs
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Fuel Capacity:
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23 L / 6.1 US gal / 5.1 Imp gal
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Consumption Average:
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5.6 L/100 km / 18.0 km/l / 42.3 US mpg / 50.8 Imp mpg
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Standing ¼ Mile:
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13.2 sec / 162 km/h / 101 mph
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Top Speed:
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200 km/h / 124 mph
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