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First recorded activity by BoatBanter: Jul 2006
Posts: 55
Default MERCRUISER THAT TOOK ON WATER THRU EXHAUST

THANKS FOR ALL YOUR REPLIES.

IT IS NICE TO GET GOOD ADVISE.

THE ENGINE IS STILL CRANKING OVER BUT WILL NOT START. I THINK THERE IS
STILL TO MUCH WATER IN THE MANIFOLD. THE THROAT OF THE CARB LOOKS MUCH
TO WET AFTER CRANKING.

FOR THOSE READING THIS FOR THE FIRST TIME- THE BOAT WAS DOCKED DURING
THE HURRICANE, STURN INTO THE WIND/WAVES. THE GROUP THINKS WATER WAS
FORCED INTO THE MOTOR THRU THE EXHAUST WHICH CAUSED THE OIL TO GET
WATER FOULED.

IS THERE ANY WAY TO GET THE WATER OUT OF THE MANIFOLD WITHOUT TAKING IT
OFF ? TAKING THE CARB OFF ?

I WILL TRY A NEW FUEL SOURCE ON FRIDAY MORNING TO GET IT RUNNING.

THANKS IN ADVANCE

SONOFADOCKER.

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First recorded activity by BoatBanter: Sep 2006
Posts: 6
Default MERCRUISER THAT TOOK ON WATER THRU EXHAUST

You can drain exhaust manifolds (plugs underneath).
Crank the engine (cylinders) dry. Check ignition components. Put
little engine oil in cylinders to enhance lubrication. Clean spark
plugs. Carb and fuel pump as well as the tank has to be checked for
water (removed and drained) and cleaned.
It should start no problem. New fuel source may not help if water
present in the pump and the carb. This is your no. 1 issue.

Been there, done that !!!

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First recorded activity by BoatBanter: Jul 2006
Posts: 389
Default MERCRUISER THAT TOOK ON WATER THRU EXHAUST

I think you are confusing the two manifolds.

Water being forced into the exhaust will result in water getting into
the EXHAUST manifolds, not the intake manifold. There is not any storm
event that will get water into the intake except water leaking into the
top of the carb. Water in the exhaust manifolds will end up in the
cylinders and can leak past the rings into the oil. You cranked it
with the plugs out so you have cleared any water in the cylinders out.
Changing the oil gets the water out of it.

I suspect the wet you see at the bottom of the carb is probably gas.
If it is water it got there from your fuel tank.

Either you have water in your gas or you have a wet ignition system.

Dump your water separator and see what's in it.

Take a plug and a wire off, put the plug on the wire and lay the plug
on the metal part of the block so it is grounded. Get someone to crank
it. See if the plug sparks.

And turn off you caps lock on your computer.

sonofadocker wrote:
THANKS FOR ALL YOUR REPLIES.

IT IS NICE TO GET GOOD ADVISE.

THE ENGINE IS STILL CRANKING OVER BUT WILL NOT START. I THINK THERE IS
STILL TO MUCH WATER IN THE MANIFOLD. THE THROAT OF THE CARB LOOKS MUCH
TO WET AFTER CRANKING.

FOR THOSE READING THIS FOR THE FIRST TIME- THE BOAT WAS DOCKED DURING
THE HURRICANE, STURN INTO THE WIND/WAVES. THE GROUP THINKS WATER WAS
FORCED INTO THE MOTOR THRU THE EXHAUST WHICH CAUSED THE OIL TO GET
WATER FOULED.

IS THERE ANY WAY TO GET THE WATER OUT OF THE MANIFOLD WITHOUT TAKING IT
OFF ? TAKING THE CARB OFF ?

I WILL TRY A NEW FUEL SOURCE ON FRIDAY MORNING TO GET IT RUNNING.

THANKS IN ADVANCE

SONOFADOCKER.


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