1977 Maico GP400E Specifications and Specs
Specifications and workshop reference information for the 1977–1987 Maico GP400E, including engine, chassis, service data and setup details.
Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.
Note: Maico models can vary between years and regions. If you own one or have accurate specs to add, jump into the forum and share your specs/build.
General Specifications
| Engine Type | Single cylinder, two stroke |
| Displacement | 395 cc |
| Bore × Stroke | 77 × 70 mm |
| Compression Ratio | 11.5:1 |
| Maximum Power | 40 hp @ 6500 rpm |
| Carburetor | S.E.E.S system | Replacement Options |
| Lubrication | Wet sump |
| Fuel Mix Ratio | 20:1 | Premix Calculator |
| Ignition | Bosch magneto |
| Spark Plug | NGK B8ES |
| Spark Plug Gap | 0.5 mm and 0.6 mm |
Transmission
| Transmission Type | 5-speed |
| Clutch | Cable operated |
| Primary Reduction | 1.85:1 |
| Final Reduction | Chain |
Suspension
| Front Suspension | Fork Tubes 37.8 |
| Rear Suspension | Twin-shock 340 mm to 380 mm |
Dimensions
Wheels and Tyres
400cc Other Specs
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