Suzuki GSX400F Katana

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Suzuki-GSX400F-81.jpg
Suzuki GS400
Manufacturer
Also called GS400T, GS 400 T, GSX1400 Special Edition, GSX 1400 Special Edition, GSR400, GSR 400, GSR400 ABS, GSR 400 ABS, GSX400S, GSX400L, GSX400 Impulse, GSX400F Katana, GSX400E, GSX400, GSX1400, GSF400 Bandit, GS400E, GSX 400 S, GSX 400 L, GSX 400 Impulse, GSX 400 F Katana, GSX 400 E, GSX 400, GSX 1400, GS 400 E, GS 400, GSF 400 Bandit, GSX-R 400
Production 1981
Class Sportbike
Engine
Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Compression ratio 10.2:1
Ignition Fully transistorised
Spark Plug NGK D8EA, NIPPON DENSO X24ES-U
Battery 12V, 12Ah
Transmission 6 Speed
Suspension Front: Telescopic fork, oil dampened
Rear: Swingarm, dual shocks, oil dampened, spring 5-way adjustable
Brakes Front: 2 x Discs
Rear: Single disc
Front Tire 3.25-S19 4PR
Rear Tire 3.75-S18 4PR
Wheelbase 1415 mm / 55.7 in
Seat Height 780 mm / 30.7 in
Weight 179 kg / 395 lbs (dry),
Recommended Oil Suzuki ECSTAR 10w40
Manuals Service Manual



Engine[edit | edit source]

The engine was a Air cooled cooled Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.. The engine featured a 10.2:1 compression ratio.

Drive[edit | edit source]

Power was moderated via the Wet, multiplate.

Chassis[edit | edit source]

It came with a 3.25-S19 4PR front tire and a 3.75-S18 4PR rear tire. Stopping was achieved via 2 x Discs in the front and a Single disc in the rear. The front suspension was a Telescopic fork, oil dampened while the rear was equipped with a Swingarm, dual shocks, oil dampened, spring 5-way adjustable. The bike weighed just 179 kg / 395 lbs. The wheelbase was 1415 mm / 55.7 in long.

Photos[edit | edit source]

Suzuki GS400

Overview[edit | edit source]

Suzuki GSX 400F Katana









Make Model Suzuki GSX 400F Katana
Year 1981
Engine Type Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Displacement 398 cc / 24.3 cu in
Bore X Stroke 53 x 45.2 mm
Compression 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 Tire 3.25-S19 4PR
Rear Tire 3.75-S18 4PR
Steering Angle 42° (left and right)
Caster 63°
Trail 100 mm / 3.9 in
Dimensions Length: 2105 mm / 82.9 inWidth: 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