| MODEL | MAICO GP 400 E 1977 - 1987 |
| Year | 1977 - 1987 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 354 cc / 21.6 cu in |
| Bore X Stroke | 77 x 76 mm |
| Compression Ratio | 13.5:1 |
| Cooling System | Air cooled |
| Max Power | 40 kW / 55 hp @ 8000 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 5-speed |
| Clutch | Wet, cable operated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork with steering damper |
| Rear Suspension | Twin shocks with coil springs |
| Front Brakes | Single disc |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 106 kg / 234 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.00 x 21 in |
| Rear Tyre | 4.10 x 18 in |
| FUEL SYSTEM | |
| Fuel Capacity | 10 Litres / 2.6 US gal |
| Fuel Consumption | — |
| Top Speed | 100 km/h / 62 mph |
The classic air-cooled Maico GP 400 motocrosser, with a simple twin-shock chassis and flywheel-magneto two-stroke engine. A period road test praised its smooth power delivery, quality gas shocks and strong brakes, calling it a genuine contender in professional motocross.
