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            DIY Message Boards  Hop To Forum Categories  Archive  Hop To Forums  Boating    Merc 90 tach problem
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        Merc 90 tach problem
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        rickysr
        posted
        I have a 2003 Merc90 3 cyl. that mixes oil with gas at motor. Tach is showing over 6000 rpm when should be 5400. There are several settings on back of tachometer 2p/4c, 3p/6c, 4p/6c, 5p and 6p. It is set on 6p but could have been moved. Any help from you Mercury experts would be appreciated. Thanks
         
        Posts: 25 | Location: se pa | Registered: Apr 02, 2006Reply With QuoteReport This Post
        joecaption
        Picture of joecaption
        posted Hide Post
        http://www.outboardrepairs.com/tachometers/

        May want to check here for the ansewer.


        joecaption
         
        Posts: 17721 | Location: Hartfield VA | Registered: Jan 31, 2004Reply With QuoteReport This Post
        rickysr
        posted Hide Post
        Thanks, I'll give it a try.
         
        Posts: 25 | Location: se pa | Registered: Apr 02, 2006Reply With QuoteReport This Post
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