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Bayliner
 BoatUS Boat Groups/Manufacturer Forums>>Bayliner
Subject Topic: Running problems Post ReplyPost New Topic
 
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pgcan
"Seaman Recruit"




Joined: August 07 2007
Posts: 2
Posted: August 08 2007 at 09:56 | IP Logged Quote pgcan

Good Moring all

Here is my problem i have a 2955 avanti  with 454 i love this boat

but my problem is that she will get up to 4800 rpm and then she will bog down to 3000 rpm and she will jump up and down she wants to go but it like she is being held back,

now i have changed the fuel filter and i have cleaned the carb after i cleaned the carb i took her out and she ran good then 20min later she started doing the same thing again

i dont know what to do  does any one have any ideas

please help



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Paul
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barneybutler
"Seaman Recruit"




Joined: August 13 2007
Posts: 5
Posted: August 13 2007 at 15:29 | IP Logged Quote barneybutler

check for water in fuel tank, or a clogged tank vent.
remove the fuel line and pump some gas into a can and see if there are any water bubbles in the bottom.  [water is heaver than gas so it will look like bubbles on the bottom of the bucket] If there is a little water in the tank it might not pick it up until the boat starts bouncing on the waves or tilts to get on a plane.  then the water gets sucked into the fuel line.  If you have an inspection plate remove it and look in the tank for water.  Also look for something clogging the pickup tube in the tank and a clogged vent that lets air into the tank as the fuel goes out.  The fuel vent is usually on the side of the boat high up somewhere.  If you can't find it just disconnect the vent line from the tank and blow air through it to see if it is clear.  [I have seen bugs clog them]

good luck
Barney
barneybutler@hotmail.com
.


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Barney
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gpreichert
"Seaman Recruit"




Joined: October 09 2007
Posts: 4
Posted: October 14 2007 at 08:52 | IP Logged Quote gpreichert

It may be as simple as burning high test vs regular. I made that mistake once, motor ran like crap, then put in some octane booster, then next time, filled tank with high test. Not only did the problem go away, never had an issue again.

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Gene
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