| Engine | BMW F800R | BMW R 18 |
|---|---|---|
| Displacement | 798 cc | 1802 cc |
| Max power | 88 hp (@8 000 RPM) | 91 hp (@4 750 RPM) |
| Max torque | 63 lb ft (@5 800 RPM) | 115 lb ft (@3 000 RPM) |
| Redline | 8 500 RPM | |
| Idling speed | 1 250 RPM | |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Flat-2 |
| Compression | 12.00:1 | 9.60:1 |
| Oil capacity | 2.93 quart | |
| Oil type | 15W50 | |
| Spark plug type | NGK DCPR 8E | |
| Cooling | Liquid | Air |
| Valves | 8 | |
| Bore | 82.0 mm | 107.1 mm |
| Stroke | 75.6 mm | 100.0 mm |
| Weight to power | 5.06 lbs/hp | 8.36 lbs/hp |
| Power to weight | 494 hp/2500lbs | 299 hp/2500lbs |
| Battery type | 12V 12Ah | 12V 26Ah |