The Suzuki GS 400 manufactured during the years 1976-77 had a four-stroke, parallel twin-cylinder engine with a capacity of 398 cc. Its cooling system was air-cooled with a compression ratio of 9:1. Its maximum power was 25.4 kW at 8000 rpm and maximum torque was 30 Nm at 7000 rpm. The bike was equipped with an electric and kick-start ignition, a wet multi-plate type clutch, and a 6-speed transmission. The engine had a primary drive ratio of 2.714 and a final drive ratio of 2.461. The bike had a double cradle tube frame with telescopic, coil spring, oil damped front suspension, and swing arm, coil spring (5-way adjustable), oil damped rear suspension. The front brakes were a single 270 mm disc with a 1 piston caliper while the rear brakes were a 160 mm drum. The bike had a fuel capacity of 14 liters with a dry weight of 172 kg and a wet weight of 185 kg. The bike had a seat height of 790 mm and a ground clearance of 170 mm.
Technical specifications:
Make Model: Suzuki GS 400
| Year | 1976 – 77 |
|---|---|
| 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 | 160 mm Drum |
| Front Tyre | 3.00-18 |
| Rear Tyre | 3.50-18 |
| Dimensions | Length 2085 mm / 82.1 in Width 840 mm / 33.1 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 |
