| MODEL | GILERA ER 200 1987 |
| Year | 1987 |
| Engine Type | Two-stroke, single cylinder |
| Displacement / Capacity | 183 cc / 11.1 cu in |
| Bore X Stroke | 68 x 50.5 mm |
| Compression Ratio | 9.5:1 |
| Cooling System | — |
| Max Power | 19 kW / 26 hp @ 7500 rpm |
| Max Torque | — |
| Ignition | Electronic |
| Induction | Dell'Orto carburettor, premix |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Continuous steel-tube double cradle |
| Front Suspension | Telescopic forks |
| Rear Suspension | Alloy swingarm, adjustable single shock |
| Front Brakes | Single 240 mm disc |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 122 kg / 269 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.60-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 3.9 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 183 cc version of Gilera's mid-80s ER enduro, built on the same frame and chassis as the 125 but with a larger two-stroke for more mid-range pull. It targeted riders wanting a bigger trail and enduro machine without moving to a four-stroke.
