| If you are laying up your motor-boat for a few months | | | | is left full during several months of none cruising. Fuel |
| fuel contamination could be a real problem when | | | | Doctor is one such company that provide a fuel |
| starting up again. | | | | additive which also helps to give maximum power, |
| Marine Red Diesel | | | | improve fuel economy and prevent fuel system |
| Condensation in diesels tanks is the most common | | | | contamination. |
| problem and it is recommended to avoid any space | | | | Fuel Expansion |
| being taken up with moisture all tanks are filled for the | | | | Whilst full tanks for marine red diesel and when |
| lay- up periods. As marine fuel levels lower in normal | | | | managed correctly in petrol tanks are steps to reduce |
| cruising the moisture-laden air condenses in the tank | | | | the risk of contamination don’t forget that |
| due to the ambient temperature changes. At this point | | | | marine fuel expands on those warm days. A means |
| water finds its way into your fuel and filters. On the | | | | to either collect any spillage, which should be removed |
| surface diesel bug can exist between the water and | | | | as soon as practicable for safety reason, under the |
| fuel having a detrimental effect on the fuel. Another to | | | | tank with a drip tray or leave a 10 % clearance space |
| keep the tank full whenever practicable | | | | at the top of the tank to allow for expansion especially |
| Petrol | | | | in the summer months. If cruising outside the U.K. in |
| Better to leave the tank empty when not cruising for | | | | warmer climes you may need to increase the |
| long periods as petrol can go off over a long period. | | | | clearance space mentioned above to prevent spillage |
| Symptoms are poor starting or even failure to start. | | | | due to increased expansion! |
| Many companies provide fuel stabilizers when the tank | | | | |