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sunken rxp

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sambo777

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Today my son's 2005 rxp sank when an exhaust coupling came off and i mean sank. We drained the hull and then removed the spark plugs and spun the motor over to blow as much water out as we could. We drew out the oil and replaced several times and continued to remove this oil (15 quarts now), but it is still milky. We fired the engine once for only a few seconds, now it will not fire up. Water continues to blow out the plugs holes. Anybody got any recommendations.
 
aint klined on 4-stroke, but water aint good. think i'd keep some kind of oil down in bottom end, until you get all water out fuel/combustion system, then remove oil from down unda...:(
 
Dear Sunken,
This is my first post on this site, but I'm certainly not new to watercraft but I'll try to help.

If its insured, call insurance co and let them deal with it. If it was completely submerged, water is everywhere....air intake, supercharger, intercooler, engine, electronics, ....etc. Not worth the hassle.

If its not insured, which would be a lesson in itself,
1. It needs to dry out..and definitely use an air compressor and vaccuum to remove water from air intake, supercharger, intercooler, engine, electronics, ....etc.

2. Keep oil in it

3. If after a few days of being completely dry, it still doesn't fire, it could be any one or combo of 100 things and you could chase them for a long time. Power train and electronics would need to be torn down and put back together.

Before you try to revive it too much, I would move down the insurance route as you wouldn't want any of the work you do to violate the terms of your policy.

Good Luck and I hope mine never sinks.
 
Gotta Love H2O

I would tip the ski how the owners manual says becuase you may still have water in the exhust that when you turn it over with the starter or by hand it opens the valves and allows water to flow back into the cylinders. you may what to start taking the air intake off with supercharger and allow air to flow and dry it out. I would also put some gas water remover so you can allow it to get in the cylinder and maybe get some water out that way. Let us know how it goes.
 
Well, so far we have removed all the exhaust system, the intake manifold (still had 2-3 ounces of water there), fuel rail, and have now stopped the water. Have put in and removed about 30 quarts of oil (with a frickin hand pump) and it is still milky. Is there any way to remove the ass backwards bolt from the supercharger that is up against the engine mount without removing the engine from the mounts? Anybody know how many quarts of oil are needed to clear the water? We are waiting to have clear oil before we fire it again.
 
Usually it clears up after 3 or 4 oil changes. How long are you running it between oil changes?

Chester
 
Usually it clears up after 3 or 4 oil changes. How long are you running it between oil changes?

Chester

we only fired the engine for a few seconds early on in the procedure when we saw that water was still in from the intake, so the engine has not been run since. We only turn the engine over to keep access to the oil so that we can pump it out and we have done about 30 quarts so far with water still in the engine.
 
You should follow the "boil out" procedure in the shop manual. Or, at least run the engine for 5 minutes at 3500 RPM while in the water between oil changes until it's clean.

Chester
 
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