| MODEL | SUZUKI GS 425E 1979 |
| Year | 1979 |
| Engine Type | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder |
| Displacement / Capacity | 423 cc / 25.8 cu in |
| Bore X Stroke | 67 x 60 mm |
| Compression Ratio | 9.1:1 |
| Cooling System | Air cooled |
| Max Power | 29.8 kW / 40 hp @ 7000 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | 2 x 34 mm Mikuni carburetors |
| Start System | Electric and kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | Wet multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork |
| Rear Suspension | Twin shocks, coil spring over |
| Front Brakes | Single disc, 11 in |
| Rear Brakes | Drum, 7 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 787 mm / 31 in |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 173 kg / 382 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.00-18 |
| Rear Tyre | 3.75-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 4.0 US gal / 3.3 Imp gal |
| Fuel Consumption | — |
| Top Speed | — |
The cast-wheel (E) version of the 423 cc GS twin for 1979. It was mechanically the same as the earlier GS425 apart from its wheels and trim. Smooth and light to handle.
