Suzuki GS400E (1978)

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The Suzuki GS 400E is a motorcycle model that was manufactured in 1978. It features a four-stroke, air-cooled engine with a capacity of 398cc and a maximum power output of 34 hp at 8000 rpm. The bike uses two Mikuni BS34 carburetors for induction and has a wet multi-plate clutch with a six-speed transmission and chain final drive. It also has a double cradle tube frame, telescopic front suspension with oil damping, and a swing arm rear suspension with a five-way adjustable coil spring and oil damping. The front brakes are a single 270mm disc with a one-piston caliper, while the rear brakes are a 160mm drum. The bike has a wheelbase of 1385mm and a dry weight of 172kg. The fuel capacity of the bike is 14 litres or 3.7 US gallons. Overall, the Suzuki GS 400E is a classic motorcycle model that combines power, performance, and versatility in a compact, lightweight package.

Technical specifications:

Make Model: Suzuki GS 400

Year: 1978


Engine: Four stroke, parallel twin cylinders, DOHC, 2 valve per cylinder.
Capacity: 398 cc / 24.2 cu-in
Bore x Stroke: 65 x 60 mm
Cooling System: Air cooled
Compression Ratio: 9:1
Induction: 2 x Mikuni BS34 carburetors
Ignition: Conventional type non-transistor
Starting: Electric and kick-start.
Max Power: 25.4 kW / 34 hp / @ 8000 rpm
Max Torque: 30 Nm / 2.94 kpm / 22.1 lb-ft @ 7000 rpm
Clutch: Wet multi-plate type
Transmission: 6 Speed
Final Drive: Chain
Primary Drive Ratio: 2.714
Final Drive Ratio: 2.461

Gear Ratio: 1st 2.461 / 2nd 1.777 / 3rd 1.380 / 4th 1.125 / 5th 0.961 / 6th 0.851:1
Frame: Double cradle tube
Front Suspension: Telescopic, coil spring, oil damped
Rear Suspension: Swing arm, coil spring (5-way adjustable), oil damped
Front Brakes: Single 270 mm disc, 1 piston caliper
Rear Brakes: 160mm Drum
Front Tyre: 3.00-18
Rear Tyre: 3.50-18
Dimensions: Length 2085 mm / 82.1 in Width 835 mm / 32.9 in Height 1125 mm / 44.3 in
Wheelbase: 1385 mm / 54.5 in
Seat Height: 790 mm / 31.1 in
Ground Clearance: 170 mm / 6.7 in
Dry Weight: 172 kg / 378 lbs
Wet Weight: 185.0 kg / 408 lbs
Fuel Capacity: 14 Litres / 3.7 US gal / 3.1 Imp gal

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