| MODEL | GILERA XR-1 125 1988 - 1989 |
| Year | 1988 - 1989 |
| Engine Type | Two stroke, single cylinder, reed valve |
| Displacement / Capacity | 124 cc / 7.6 cu-in |
| Bore X Stroke | 56 x 50.5 mm |
| Compression Ratio | 13.0:1 |
| Cooling System | Liquid cooled |
| Max Power | 18 kW / 24 hp @ 9250 rpm |
| Max Torque | 1.5 kgf-m @ 10500 rpm |
| Ignition | Electric ignition with capacitive output |
| Induction | Dell'Orto carburettor, premix |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Paioli upside down forks, 230 mm wheel travel |
| Rear Suspension | Boge single shock |
| 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 | 141 kg / 310.8 lbs |
| WHEEL SPECS | |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.10-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Fuel Consumption | 19.2 km/l |
| Top Speed | 134.9 km/h / 83.8 mph |
Gilera's liquid-cooled 125 two-stroke trail bike of the late 1980s, built around a reed-valve engine and a six-speed gearbox. Long-travel inverted forks and a 21-inch front wheel gave it real off-road ability while a disc brake sat at each end. It is a compact, light machine aimed at young riders.
