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It is currently Wed Apr 08, 2026 4:30 pm
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[ 6 posts ] |
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wtrfwlrpa
New Member
Joined: Tue Aug 09, 2011 11:31 pm Posts: 2
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 Low Power
Last year I started having an issue where I could not get power and RPMs unnder load. Engine revived correctly sitting idle but not in drive. Took it in had it serviced they found a bad head gasket and some other issues got it fixed up and then it was not much better year ended fast for me this year I am getting it ready and again no power with just myself and one other in boat could barely get 3100 RPMs used to run 4000 to 4100 and could travel at spees of aprox 20 to 22 MPH via a gps.. I could only run 8 to 9 MPH at the 3100 RPMs and it really feels week. I dont need to be a speed demon I just want it to at least perform as good as it used to.
BTW it is a 2011 23HP vangaurd surfice drive motor.
Thanks for all help and suggestions in advance.
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| Mon Sep 26, 2016 6:48 am |
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JphIII
MMT Pro Member
Joined: Sun Nov 02, 2014 8:23 am Posts: 308
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 Re: Low Power
Sure both cylinders are firing?
_________________ PD 1754 X Series and a PD 37EFI
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| Mon Sep 26, 2016 6:56 am |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am Posts: 4323 Location: Cut Off, La.
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 Re: Low Power
_________________ Refurbishing a Prodrive
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| Mon Sep 26, 2016 6:57 am |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am Posts: 4323 Location: Cut Off, La.
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 Re: Low Power
_________________ Refurbishing a Prodrive
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| Mon Sep 26, 2016 6:57 am |
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DENNYEDWARDS
MMT Addict
Joined: Sun Aug 09, 2009 12:50 pm Posts: 574 Location: Muscatine, Iowa
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 Re: Low Power
Check for intake manifold leak at head. May of had a gasket failure.
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| Mon Sep 26, 2016 10:02 am |
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ibfishinb
MMT Addict
Joined: Mon Jun 13, 2016 6:44 pm Posts: 630
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 Re: Low Power
Stuck valve taking out a cam lobe?
Sent from my SM-G920V using Tapatalk
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| Tue Sep 27, 2016 5:03 am |
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