1982 Suzuki GSX400F Katana

Make Model	Suzuki GSX 400F Katana
Year	1982
Engine	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity	398 cc / 24.3 cu in
Bore x Stroke	53 x 45.2 mm
Compression Ratio	10.2:1
Cooling System	Air cooled
Lubrication System	Wet sump
Induction	4 x Mikuni BS26SS carburetors
Ignition	Fully transistorised
Starting	Electric
Battery	12V, 12Ah
Spark Plug	NGK D8EA, NIPPON DENSO X24ES-U
Max Power	30.8 kW / 41.3 hp @ 10500 rpm
Max Torque	30.2 Nm / 3.1 kgf-m / 22.3 lb-ft @ 8500 rpm
Clutch	Wet, multiplate
Transmission	6 Speed
Final Drive	Chain, DAIDO DID50UB, 104 links
Primary Reduction	2.300 (92/40)
Final Reduction	2.866 (43/15)
Gear Ratios	1st 3.166 (38/12) / 2nd 2.125 (34/16) / 3rd 1.631 (31/19) / 4th 1.333 (28/21) / 5th 1.173 (27/23) / 6th 1.083 (26/24)
Front Suspension	Telescopic fork, oil dampened
Front Wheel Travel	150 mm / 5.9 in
Rear Suspension	Swingarm, dual shocks, oil dampened, spring 5-way adjustable
Rear Wheel Travel	107 mm / 4.2 in
Front Brakes	2 x Discs
Rear Brakes	Single disc
Front Tyre	3.25-S19 4PR
Rear Tyre	3.75-S18 4PR
Steering Angle	42° (left and right)
Caster	63°
Trail	100 mm / 3.9 in
Dimensions	Length: 2105 mm / 82.9 in Width: 750 mm / 29.5 in Height: 1135 mm / 44.7 in
Wheelbase	1415 mm / 55.7 in
Ground Clearance	165 mm / 6.5 in
Seat Height	780 mm / 30.7 in
Turning Radius	2.3 m / 7.5 ft
Dry Weight	179 kg / 395 lbs
Wet Weight	197 kg / 434 lbs
Fuel Capacity	15 Litres / 4.0 US gal / 3.3 Imp gal
Fuel Reserve	3.5 Litres / 3.7 US qt / 3.1 Imp qt
Oil Capacity	2.0 Litres / 2.1 US qt / 1.8 Imp qt
Top Speed	170 km/h / 106 mph
Standing 0 - 100 km/h	6.3 sec

Suzuki presented a whole new lineup in 1981 with Katana styled bikes where fuel tank, seat, side covers and tail were blended together, in some cases with a cockpit fairing. Initially there were three of them, GSX1100S, GS550M and GS650G. Later came the GSX1000S Katana and the GSX400F, a model with a four-cylinder, 16-valve engine.
The GSX400F (internal code GS400XF) was available for two years. In 1983 the model was replaced with the liquid-cooled GSX400FW.

Suzuki GSX 400F Katana