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-   -   Boat speeding up and slowing down problem? Need help (http://www.wakeworld.com/forum/showthread.php?t=794202)

Michael 06-29-2012 11:55 AM

Boat speeding up and slowing down problem? Need help
So my 07 Malibu VLX (300 hrs) seems to speed up then slow down when I am going over 25mph.. Its not extremely noticeable but I can feel it. Almost like its lugging down. Any Ideas? it has only started happening this season. which leaves me to think it is;

A) Trans fluid is running low?
B) Someone mentioned my prop seal (started leaking)?

Any thoughts would help.. I may need to change the spark plugs as a side note.. Its running a tad rough.

rallyart 06-29-2012 1:21 PM

That sounds a bit like a fuel mixture problem, but check all fluid levels.

bhyatt_ohp 06-29-2012 1:55 PM

The 300 hour mark is a big service interval for the indmar engines, including full spark plug wire set and plugs, along with all fluids changed. This would be a good starting point if you haven't done the suggested procedures. http://www.indmar.com/service-support/manuals/2007.aspx

Michael 06-29-2012 2:08 PM

i have done a majority of those things, including changing all the fluids.. I will start with the plugs.

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