Bimota DB8 Biposto (2012-13) vs Harley-Davidson Harley Davidson XLH 1000 Sportster (1983-85) vs Aprilia SL 750 GT Shiver (2012) vs Bimota DB7 (2012-13) vs Harley-Davidson Harley Davidson XL 1200C Sportster Custom (2018-19)
Comparison technical specifications
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| Make: | Bimota | Harley-Davidson | Aprilia | Bimota | Harley-Davidson |
| Model: | DB8 Biposto | Harley Davidson XLH 1000 Sportster | SL 750 GT Shiver | DB7 | Harley Davidson XL 1200C Sportster Custom |
| Years: | 2012-13 | 1983-85 | 2012 | 2012-13 | 2018-19 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 4 valve per cylinder, | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. | Four stroke, longitudinal 90°V twin, DOHC, 4 valves per cylinder | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 4 valve per cylinder | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. |
| Capacity: | 1198 cc / 73.1 cub. in. | 997 cc / 60.8 cu-in | 749 cc / 45.7 cu-in | 1099 cc / 67.1 in. | 1199 cc / 73.2 cub in |
| Bore x Stroke: | 106 x 67.9 mm | 81.0 x 96.8 mm | 92 x 56.4 mm | 104 x 64.7mm | 88.8 x 96.8 mm |
| Compression Ratio: | 12.7:1 | 9.0:1 | 11.0:1 | 12.5:1 | 9.7:1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled | Liquid cooled | Air cooled |
| Induction: | Electrically controlled gasoline injection and φ60mm throttle body | Single 34mm Keihin carburetor | Integrated engine management system. Injection with Ride by Wire technology control of the throttle bodies | Electrically controlled gasoline injection and φ60mm throttle body | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | Magneti Marelli | Electronic | Digital electronic, integrated with the injection, two spark plugs per cylinder | Magneti Marelli | Digital CDI |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Torque: | 131,4 Nm / 13,4 kg-m / 96.9 lb-ft. @ 8000 rpm | NA | 81 Nm / 8.25 kgf-m / 59.7 lb-ft @ 7000 rpm | 123 Nm / 90.7 lb-ft. @ 8000 rpm | 107 Nm / 10.9 kgf-m / 79 ft/lb @ 3500 rpm |
| Transmission: | 6 Speed | 4 Speed | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain Transmission ratio: 16/44 | Chain | Belt |
| Front Suspension: | Marzocchi USD forks DLC fully adjustable | 35mm Showa tubs diameter 193mm wheel travel. | Ø43 mm upside-down fork. | 43mm Marzocchi UD fork DLC fully adjustable, 120mm wheel travel. | 39 mm fork |
| Rear Suspension: | Extreme Tech Monoshock fully adjustable | Dual Showa shocks spring preload adjustable, 76mm wheel travel. | Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping. | Extreme Tech Monoshock TTX fully adjustable low/high speed, 120mm wheel travel. | Coil-over, preload dual-adjustable |
| Front Brakes: | 2x 320mm / 12.6 in Brembo floating discs 4 pistons radial Brembo calipers, radial pumps | Single 285mm disc | 2 x Ø320 mm discs, 4 piston caliper | 2x 320mm / 12.6 in. discs 4 piston caliper | Single 300 mm disc, 2 x 38mm piston caliper |
| Rear Brakes: | Single 220mm / 8.7 in. floating disc, 2-piston Brembo caliper | Single 285mm disc | Single Ø245 mm disc, 2 piston caliper | Single 230mm / 9.1 in.disc 2 piston caliper | Single 300 mm disc, 2 x 38mm piston caliper |
| Front Tyre: | 120/70 ZR17 | MJ 90-19 | 120/70 ZR17 | 120/70 ZR17 | D402F MH90-21 54H |
| Rear Tyre: | 190/55 ZR17 | MT 90-19 | 180/55 ZR17 | 190/55 ZR17 | D401 150/80B16 71H |
| Fuel Capacity: | 16 Litres / 4.2 US gal | 9 Litres / 2.3 US gal | 15 Litres / 3.9 US gal | 16 Litres / 4.2 US gal. | 17 Litres / 4.5 US gal |