| MODEL | GILERA SATURNO 500 BIALBERO 1990 |
| Year | 1990 |
| Engine Type | Four stroke, single cylinder, 4 valves |
| Displacement / Capacity | 492 cc / 30.0 cu in |
| Bore X Stroke | 92 x 74 mm |
| Compression Ratio | 9.8:1 |
| Cooling System | Liquid cooled |
| Max Power | 32.1 kW / 44 hp @ 7000 rpm |
| Max Torque | 4.7 kgf-m / 46.1 Nm @ 6000 rpm |
| Ignition | CDI with rev limiter |
| Induction | Dell'Orto PHM 40VS carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 40 mm Marzocchi forks, 120 mm / 4.7 in travel |
| Rear Suspension | Single Marzocchi shock, preload adjustment, 130 mm / 5.1 in travel |
| Front Brakes | Single 300 mm disc, 1 piston caliper |
| Rear Brakes | Single 240 mm disc, 1 piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 157 kg / 346 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 110/70 VR17 |
| Rear Tyre | 140/70 VR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 21 Litres / 5.5 US gal |
| Fuel Consumption | 20.3 km/l |
| Top Speed | 177.3 km/h / 110 mph |
The 1990 listing of the Saturno Bialbero 500 is the continued production of the twin-cam single cafe racer, with the same engine and chassis data as the earlier page. Its first UK batch was brought in at the end of 1990 and sold out.
