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Old 25-06-2013, 12:52   #1
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Location: Jersey City, NJ
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Universal 25 Loss of Power

I have a 1988 Universal 25 that has about 400 hours on it and since I have had this boat, has run very well. Last week after about 3 hours at 2000 RPM the engine almost died. At full throttle it was just at idle speed. We made it back to the dock and after about an hour, started the engine and it ran fine.
Went out again 4 days later, ran fine for about 1.5 hours and the same thing happened, however now as bad on the loss of power.
What do you think, filters, fuel line blockage???
Any universal 25 owners with a similar experience??

Thanks

BZ
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Old 25-06-2013, 13:02   #2
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Re: Universal 25 loss of power

Sounds like dirty fuel.Were the seas lumpy when these incidents occured?If so,drain /clean fueltank,change all fuel filters.
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Old 25-06-2013, 13:04   #3
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Re: Universal 25 loss of power

Lots of power boat wakes, had the fuel polished two seasons ago. I'll check the filters next.

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Old 25-06-2013, 13:08   #4
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Re: Universal 25 loss of power

Make sure to use diesel biocide in tank when storing boat for more than 3 months.Algae loves water in fuel.
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Old 25-06-2013, 13:30   #5
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Re: Universal 25 loss of power

Clogged filters

Haven't removed the screen on the pickup tube inside the tank

This has a lot of M25 issues:

CRITICAL UPGRADES - DO THESE OR ELSE!!!

1988 with 400 hours? That's a brand new engine.
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Old 25-06-2013, 22:30   #6
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Re: Universal 25 loss of power

Sounds like a fuel blockage at the tank suction pipe or in the pipe itself if you are seeing nothing at the filter chamber. This is how diesel bug first manifests itself by blocking the free flow of fuel to the filter and engine.

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