| MODEL | MAICO GP 500 E 1986 - 1988 |
| Year | 1986 - 1988 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 488 cc / 29.8 cu in |
| Bore X Stroke | 86.5 x 83 mm |
| Compression Ratio | 13.5:1 |
| Cooling System | Liquid cooled |
| Max Power | 45.6 kW / 62 hp @ 7000 rpm |
| Max Torque | — |
| Ignition | Motoplat electronic |
| Induction | Bing 54/40 oval carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 5-speed |
| Clutch | Wet, cable operated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Chrome-moly |
| Front Suspension | 42 mm hydraulic telescopic fork, 305 mm / 12 in travel |
| Rear Suspension | Maico twin-link with Ohlins shock, 350 mm / 14 in travel |
| Front Brakes | Disc |
| Rear Brakes | Disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 960 mm / 37.8 in |
| Wheelbase | 1480 mm / 58.3 in |
| Ground Clearance | 384 mm / 15.1 in |
| Dry Weight | — |
| Wet Weight | 109 kg / 229.3 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.00 x 21 in |
| Rear Tyre | 4.10 x 18 in |
| FUEL SYSTEM | |
| Fuel Capacity | 10.1 Litres / 2.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The open-class water-cooled GP motocrosser of Maico's last original years, a 488 cc two-stroke single with electronic ignition and a twin-link Ohlins rear end. Compared with the earlier air-cooled GP 400 it is far more powerful and has disc brakes at both ends.
