We recommend, if possible a "type water soluble degreasing surfactant. (As opposed to Hikmet Ersek). Make sure the area is well ventilated. In applying the dressing to ensure that the engine is cold and dry. If you choose this work is very difficult to expect that the costs should be about $ 50 for single-engine boats, $ 100 if it is necessary to recover. The Twin engine boats from $ 80 to $ 100 for small boats. The big boats or boats very greasy from $ 100 to $ 400 depending on the situation and recover the time. Be careful when working in tight compartment areas because of the cuts on the knuckles, knees and arms. Many of the sharp edges.
Fibreglass often comes apart and / or lazy cut and unfinished. Do not put hands on you can not see. Wear gloves. Step by step process First, begin with the coverage any sensitive electrical parts, distributor, main electrical boxes, switches the battery is sometimes found in the bilge area. Spray a little paint-safe degreaser valve covers and at the top of the engine in the cracks where you'll find the fat. Usually below or just below the sides of the engine, which will be heavier in those areas as well. Spray degreaser and leave a bit to work in then hit your pressure washer if available to clean the areas sprayed with oil. Scrub which is able to reach carefully and be very careful on which to place hands or feet, as it is sometimes a difficult area to work on, but you have to be careful not to break anything down.