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Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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Went to ride our kawasaki 1100 (1999, fuel injected) after it sat overnight in the

Customer Question

Went to ride our kawasaki 1100 (1999, fuel injected) after it sat overnight in the boat slip. Not on a lift. It was full of water. Plugs were in. No apparent hull damage.
Any other reasons it would take on water.
Submitted: 2 years ago.
Category: Boat
Expert:  RSRBOB replied 2 years ago.
Hi and thank you for your question.Your ski took on water while sitting over night in the water because there is a leak in the hull.If there is no obvious signs of fiberglass damage, the next logical conclusion would be that you have a leak at either the hull pass throughs for the control cables, the prop shaft or where the ride plate or sponsons bolt to the (through) the hull. To a lesser degree of probability, you could have a problem with either a cooling hose or bilge hose that has broken, has a hole in it or is disconnected as well.Water leaks are not usually difficult to find. You will need to get up out of the water, preferably on a trailer, and get all the water out of the hull so the exterior of the hull is dry.Once the exterior is completely dry, install the drain plugs back into the ski, and start filling the hull with water. Usually the leak will be towards the rear of the ski so you can elevate the front so you dont have to put as much water in the ski to find the leak.Once it starts filling, start looking for where the water is escaping from the hull. That is your leak. Once you determine exactly where the water is getting into the hull from, the repair may be self explanatory. Something like replacing the seal on the prop shaft, or re-sealing a through hull fitting, replacing a hose, etc.If you still need help, or have found water coming out but aren't sure why, let me know.ThanksRSRBOB