| MODEL | GILERA NGR 250 1986 - 1988 |
| Year | 1986 - 1988 |
| Engine Type | Two stroke, single cylinder, rotary valve |
| Displacement / Capacity | 249.0 cc / 15.2 cu in |
| Bore X Stroke | 71.5 x 62.0 mm |
| Compression Ratio | 13.5:1 |
| Cooling System | Liquid cooled |
| Max Power | 24.1 kW / 33 hp @ 7500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Dual disc |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 160.0 kg / 352.7 lbs |
| WHEEL SPECS | |
| Front Tyre | 100/90-16 |
| Rear Tyre | 110/90-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Fuel Consumption | — |
| Top Speed | 155 km/h / 96 mph |
A liquid-cooled 250 cc rotary-valve two-stroke sports roadster from the 1980s, with a five-speed gearbox, dual front discs and a large 22-litre tank. A restricted-power version was also listed.
