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Suzuki Specifications

Suzuki GSX400F Katana (1982)

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Suzuki GSX400F Katana (1982)

At a glance

Capacity
398 cc / 24.3 cu in
Power
30.8 kW / 41.3 hp @ 10500 rpm
Torque
30.2 Nm / 3.1 kgf-m / 22.3 lb-ft @ 8500 rpm
Seat height
780 mm / 30.7 in

The full picture.

The Suzuki GSX 400F Katana is a 1982 four-stroke motorcycle with a transverse four-cylinder engine. It has 4 valves per cylinder and a capacity of 398 cc. The compression ratio is 10.2:1 and it is air-cooled with a wet sump lubrication system. The motorcycle has 4 x Mikuni BS26SS carburetors and a fully transistorized ignition, with an electric starter and a 12V, 12Ah battery. The maximum power is 30.8 kW / 41.3 hp at 10500 rpm and a maximum torque of 30.2 Nm / 3.1 kgf-m / 22.3 lb-ft at 8500 rpm. The clutch is wet and multiplate and it has a six-speed transmission with chain final drive. The bike has a telescopic fork front suspension and a swingarm dual shocks oil dampened spring 5-way adjustable rear suspension. It has two disc brakes in the front and one disc in the rear, and its front and rear tyres are 3.25-S19 4PR and 3.75-S18 4PR respectively. The motorcycle’s steering angle is 42 degrees (left and right), with a caster of 63 degrees, and trail of 100 mm / 3.9 in. The length is 2105 mm / 82.9 in, the width is 750 mm / 29.5 in, and the height is 1135 mm / 44.7 in. The wheelbase is 1415 mm / 55.7 in, with a ground clearance of 165 mm / 6.5 in, seat height of 780 mm / 30.7 in, and turning radius of 2.3 m / 7.5 ft. The dry weight of the bike is 179 kg / 395 lbs.


Technical specifications:

Make Model: Suzuki GSX 400F Katana

Motorcycle technical specifications
Year1982
EngineFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity398 cc / 24.3 cu in
Bore x Stroke53 x 45.2 mm
Compression Ratio10.2:1
Cooling SystemAir cooled
Lubrication SystemWet sump
Induction4 x Mikuni BS26SS carburetors
IgnitionFully transistorised
StartingElectric
Battery12V, 12Ah
Spark PlugNGK D8EA, NIPPON DENSO X24ES-U
Max Power30.8 kW / 41.3 hp @ 10500 rpm
Max Torque30.2 Nm / 3.1 kgf-m / 22.3 lb-ft @ 8500 rpm
ClutchWet, multiplate
Transmission6 Speed
Final DriveChain, DAIDO DID50UB, 104 links
Primary Reduction2.300 (92/40)
Final Reduction2.866 (43/15)
Gear Ratios1st 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 SuspensionTelescopic fork, oil dampened
Front Wheel Travel150 mm / 5.9 in
Rear SuspensionSwingarm, dual shocks, oil dampened, spring 5-way adjustable
Rear Wheel Travel107 mm / 4.2 in
Front Brakes2 x Discs
Rear BrakesSingle disc
Front Tyre3.25-S19 4PR
Rear Tyre3.75-S18 4PR
Steering Angle42 degrees (left and right)
Caster63 degrees
Trail100 mm / 3.9 in
DimensionsLength: 2105 mm / 82.9 inWidth: 750 mm / 29.5 in Height: 1135 mm / 44.7 in
Wheelbase1415 mm / 55.7 in
Ground Clearance165 mm / 6.5 in
Seat Height780 mm / 30.7 in
Turning Radius2.3 m / 7.5 ft
Dry Weight179 kg / 395 lbs