Suzuki GSX400FW (1983)

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The Suzuki GSX 400FW motorcycle was produced in 1983 and has a four-stroke, transverse four-cylinder engine with two valves per cylinder and a capacity of 398cc. It has a compression ratio of 10.9:1 and is liquid-cooled with a wet sump lubrication system. The induction is provided by two Mikuni BS26SS carburetors and the ignition is fully transistorized. The motorcycle has an electric starter and a 12V, 12Ah battery. The maximum power is 36.9 kW / 49.5 hp at 10500 rpm and the maximum torque is 35.3 Nm / 3.6 kgf-m / 26.0 lb-ft at 8500 rpm. The clutch is wet and multiplate, and the transmission is six-speed with a chain for final drive. The motorcycle has telescopic fork, oil-dampened front suspension with 150mm / 5.9in of travel, and a swingarm, mono-shock rear suspension with 107mm / 4.2in of travel. The front brakes consist of two discs, while the rear has a single disc. The dimensions of the motorcycle are 2110mm / 83.1in in length, 745mm / 29.3in in width, and 1180mm / 46.5in in height, with a wheelbase of 1435mm / 56.5in. The seat height is 780mm / 30.7in and the dry weight is 177kg / 390lbs.

Technical specifications:

Make Model: Suzuki GSX 400FW

Year: 1983


Engine: Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.
Capacity: 398 cc / 24.3 cu in
Bore x Stroke: 53 x 45.2 mm
Compression Ratio: 10.9:1
Cooling System: Liquid cooled
Lubrication System: Wet sump
Induction: 2 x Mikuni BS26SS carburetors
Ignition: Fully transistorised
Starting: Electric
Battery: 12V, 12Ah
Max Power: 36.9 kW / 49.5 hp @ 10500 rpm
Max Torque: 35.3 Nm / 3.6 kgf-m / 26.0 lb-ft @ 8500 rpm
Clutch: Wet, multiplate
Transmission: 6 Speed
Final Drive: Chain

Primary Reduction: 2.212
Final Reduction: 3.066
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, mono shock
Rear Wheel Travel: 107 mm / 4.2 in
Front Brakes: 2 x Discs
Rear Brakes: Single disc
Front Tyre: 100/90-16 54S
Rear Tyre: 110/90-18 61S
Rake: 27.2 degrees
Trail: 96 mm / 3.8 in
Dimensions: Length: 2110 mm / 83.1 inWidth: 745 mm / 29.3 in Height: 1180 mm / 46.5 in
Wheelbase: 1435 mm / 56.5 in
Ground Clearance: 160 mm / 6.3 in
Seat Height: 780 mm / 30.7 in
Dry Weight: 177 kg / 390 lbs

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