Gilera Saturno Bialbero 500 (1988-89) vs Gilera ER 125 (1986-) vs Gilera SP01 125 (1988-89) vs Suzuki GSX-R 1100 (1986)
Comparison technical specifications
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| Make: | Gilera | Gilera | Gilera | Suzuki |
| Model: | Saturno Bialbero 500 | ER 125 | SP01 125 | GSX-R 1100 |
| Years: | 1988-89 | 1986- | 1988-89 | 1986 |
| Engine: | Four stroke, single cylinder, 4 valves | Two stroke, single cylinder, | Two stroke, single cylinder, reed valve | Four stroke, four cylinder, DOHC, 4 valves per cylinder, horizontal in-line |
| Capacity: | 492 cc / 30.0 cu-in | 124 cc / 7.6 cu-in | 124 cc / 7.6 cu-in | 1052 cc / 64.2 cub. in. |
| Bore x Stroke: | 92 x 74 mm | 56 x 50 mm | 56 x 50.5 mm | 76 x 58 mm |
| Cooling System: | Liquid cooled | Liquid cooled, | Liquid cooled | Air/Oil cooled with 2 separate oil pumps |
| Compression Ratio: | 9.8:1 | 13.4:1 | 12.5;1 | 10.0:1 |
| Induction: | Dell'Orto PHM 40VS | Dell'Orto premix carburetor | 32mm Dell'Orto carburetors | 4 x 34 mm Mikuni Flatslide CV carburetors |
| Ignition: | CDI with rev limiter | Electronic CDI | Electric ignition with capacitive output | Digital |
| Starting: | Electric | Kick | Electric | Electric |
| Max Power: | 44 hp / 32.1 kW @ 7000 rpm | 20.7 hp / 15.4 kW @ 9200 rpm | 35 hp / kW @ 10600 rpm | 92 kW / 125 hp @ 9500 rpm |
| Max Torque: | 4.7 kgf-m @ 6000 rpm | 15.5 Nm / 11.5 lb-ft @ 8800 rpm | 2.1 kgf-m @ 9700 rpm | 103 Nm / 10.5 kgf-m / 76 ft-lb @ 8000 rpm |
| Final Drive: | Chain | Chain | Chain | Chain, 114 links |
| Front Suspension: | 40mm Marzocchi forks | Telescopic forks | Telescopic forks | 41mm Telescopic fork, 4-way preload and 3-way anti-dive adjustable |
| Rear Suspension: | Single Marzocchi shock preload adjustment. | Alloy swing arm adjustable single shock | Swing arm gas single shock | Full-floater monoshock, 4-way rebound damping adjustable |
| Front Brakes: | Single 300mm disc 1 piston caliper | Single 240mm disc | Single disc | 2 x 310 mm Discs, four-piston calipers |
| Rear Brakes: | Single 240mm disc 1 piston caliper | Drum | Single disc | 220 mm Disc |
| Front Tyre: | 110/70 VR17 | 2.75-21 | 2.75-21 | 110/80-18 |
| Rear Tyre: | 140/70 VR17 | 4.60-17 | 4.10-17 | 150/70-18 |
| Fuel Capacity: | 21 Litres / 5.5 US gal | 15 Litres / 3.9 US gal | 19 Litres / 5.0 US gal / 4.2 Imp gal |