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Old 01-30-2007, 06:28 PM   #1
fishkisser
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Cool Running a jet boat on dry land

Do I have your attention now seriously though I have come up with a plan for changing my oil. I installed a raw water filter on my sled , I took some plumbing fittings and fabed up a garden hose adapter for plugging into the rubber hose after disconnecting it from my filter . I then plan on starting the engine , turning on the H2o , and turning on another hose running into the jet end of my turbine to keep it wet also. that way everything is wet, jet pump , manifolds , intercooler ,ect. What do ya think ? I'm positive it'l be OK , But wanna run it past you guys ... Thanks , Fishkisser

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Old 01-30-2007, 07:18 PM   #2
IDWITHELD
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Default Re: Running a jet boat on dry land

Might check with your pump manufacturer just to be on the safe side.

The water bearing is most suceptible to dry running damage.

I assume you want to change your oil when it's warm?
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Old 01-30-2007, 08:00 PM   #3
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Cool Re: Running a jet boat on dry land

Quote:
Originally Posted by IDWITHELD View Post


I assume you want to change your oil when it's warm?
Thats the plan
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Old 01-30-2007, 08:16 PM   #4
namu mac
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Default Re: Running a jet boat on dry land

I think the shaft bearings in the pump are water lubed. MAKE SURE they are getting the right amount of water directly on them. Don't ask me how I know this.
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Old 01-30-2007, 11:09 PM   #5
MattPark
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Default Re: Running a jet boat on dry land

Some pumps fired out of water will sieze and stop the motor in it's tracks. I'd make darn sure your manufacturer approves of it.
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Old 01-31-2007, 04:07 PM   #6
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Default Re: Running a jet boat on dry land

Toms Outboards used to do a freshwater flush system where they drilled through the pump housing into the actual H2O pump case. From there you could remove a stainless bolt "plug" and screw in a garden hose adapter. This put water right into the engines water pump and allowed you to flush the motor while running in the driveway.

I have and older (1984) merc 115 that has this adaptation. After 10 years of use, it still works great. I've had to replace some gaskets on the water pump, but I 'd expect that after 10 years use anyway.

Good luck,

-LOL
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