Bimota DB6C 1080 Limited Edition (2008) vs Bimota DB7 Black Edition (2008) vs BMW R 61 (1938-41)
Comparison technical specifications
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| Make: | Bimota | Bimota | BMW |
| Model: | DB6C 1080 Limited Edition | DB7 Black Edition | R 61 |
| Years: | 2008 | 2008 | 1938-41 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder. | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 4 valve per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 1078 cc / 65.8 cub. in. | 1099 cc / 67.1 in. | 600 cc / 36.6 cu in. |
| Bore x Stroke: | 98 x 71.5mm | 104 x 64.7mm | 70 x 78 mm |
| Compression Ratio: | 10.5:1 | 12.5:1 | 5.7:1 |
| Induction: | Electrically controlled gasoline injection and φ45mm throttle body | Electrically controlled gasoline injection and φ60mm throttle body | 1x Amal M75/426 S carburetor |
| Ignition: | - | Magneti Marelli | Battery ignition |
| Starting: | Electric | Electric | Kick |
| Max Power: | 70.8 kW / 95 hp @ 7500 rpm | 118 kW / 160 hp @ 9750 rpm | 13.4 kW / 18 hp @ 4800 rpm |
| Clutch: | Wet multiple plates, hydraulic system | Wet multiple plates, hydraulic system | Single plate, dry |
| Gear Ratio: | 1st 37/15, 2nd 30/17, 3rd 28/20, 4th 26/22, 5th 24/23, 6th 23/24 | 1st 12.5:1 / 2nd 8.333:1 / 3rd 6.25:1 / 4th 5.263:1 / 5th 4.5455:1 / 6th 4:1 | 1st 3.6 / 2nd 2.28 / 3rd 1. 7 / 4th 1.3:1 |
| Front Suspension: | Marzocchi φ50mm TiN coat full adjustable R.A.C. Inverted fork | 43mm Marzocchi UD fork DLC fully adjustable, 120mm wheel travel. | Telescopic fork |
| Rear Suspension: | Extreme TEX height adjustment functional attachment full adjustable mono shock | Extreme Tech Monoshock TTX fully adjustable low/high speed, 120mm wheel travel. | Telescopic suspension |
| Front Brakes: | 2x 330mm / 13 in. discs 4 piston caliper | 2x 320mm / 12.6 in. discs 4 piston caliper | ∅200mm Drum |
| Rear Brakes: | Single 245mm / 9.6 in. disc 2 piston caliper | Single 230mm / 9.1 in.disc 2 piston caliper | External shoe brake at the gearing on Cardan shaft |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 3.00 -19" |
| Rear Tyre: | 180/55 ZR17 | 190/55 ZR17 | 3.50 -19" |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 16 Litres / 4.2 US gal. | 14 liters / 3.6 US gal |