| Technical Data | F 650 GS | |
| Fuel tank | ||
| Type | Plastic tank with cover | |
| Tank capacity | l (Imp.gal/ US gal) | 17.3 (3.8/4.6) (including 4 l (0.88/1.06) reserve) |
| Type of fuel | Super (premium), unleaded. 95 octane (RON) | |
| Fuel pump | ||
| Type | Peripheral-gear pump | |
| Operating voltage | V | 7 - 15 |
| Fuel pressure | bar (psi) | 3.5 (49.8) |
| Delivery rate | l/h (Imp.gal/h; US gal/h) | 150 (33; 39.6) at 13.5V, 3.5 bar (49.8 psi) |