Gilera Saturno Bialbero 500 (1988-89) vs Gilera ER 125 (1986-)
Comparison technical specifications
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| Make: | Gilera | Gilera |
| Model: | Saturno Bialbero 500 | ER 125 |
| Years: | 1988-89 | 1986- |
| Engine: | Four stroke, single cylinder, 4 valves | Two stroke, single cylinder, |
| Capacity: | 492 cc / 30.0 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 92 x 74 mm | 56 x 50 mm |
| Cooling System: | Liquid cooled | Liquid cooled, |
| Compression Ratio: | 9.8:1 | 13.4:1 |
| Induction: | Dell'Orto PHM 40VS | Dell'Orto premix carburetor |
| Ignition: | CDI with rev limiter | Electronic CDI |
| Starting: | Electric | Kick |
| Max Power: | 44 hp / 32.1 kW @ 7000 rpm | 20.7 hp / 15.4 kW @ 9200 rpm |
| Max Torque: | 4.7 kgf-m @ 6000 rpm | 15.5 Nm / 11.5 lb-ft @ 8800 rpm |
| Final Drive: | Chain | Chain |
| Front Suspension: | 40mm Marzocchi forks | Telescopic forks |
| Rear Suspension: | Single Marzocchi shock preload adjustment. | Alloy swing arm adjustable single shock |
| Front Brakes: | Single 300mm disc 1 piston caliper | Single 240mm disc |
| Rear Brakes: | Single 240mm disc 1 piston caliper | Drum |
| Front Tyre: | 110/70 VR17 | 2.75-21 |
| Rear Tyre: | 140/70 VR17 | 4.60-17 |
| Dry Weight: | 157 kg / 346 lbs | 120 kg / 265 lbs |
| Fuel Capacity: | 21 Litres / 5.5 US gal | 15 Litres / 3.9 US gal |