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2004 F225TXRC exhaust rebuild question

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  • #16
    In all fairness to the OP, there are some trained and reportedly qualified Yamaha mokaniks who have done the same thing. Wrong gasket with the wrong (or right) upper casing. They could have paid attention to the technical bulletin but apparently chose not to. At their own peril. I wonder if the dealer man made them fix their mistake on their own time? How does that work at rodnut's shop?

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    • #17
      Thats like they sell gear case drain plug gaskets one at a time.

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      • #18
        I have not seen the "tech bulletiin" - I assume that was subsequent to the 2006 Marine Technical Guide ?

        does not a "I/C rank" of "B" mean that the newer gasket can be used with the older part?

        if I once understood what the unfilled or solid "bullets" mean, I've forgotten...

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        • #19


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          • #20
            [QUOTE=fairdeal;n204776]I have not seen the "tech bulletiin" - I assume that was subsequent to the 2006 Marine Technical Guide ?

            does not a "I/C rank" of "B" mean that the newer gasket can be used with the older part?

            if I once understood what the unfilled or solid "bullets" mean, I've forgotten...


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            • #21
              Originally posted by boscoe99 View Post
              For pstephens46, if the wrong gasket is used on the wrong casing does that mean the gasket will fit the casing. If the right gasket works on the right casing why isn't the wrong gasket on the wrong casing right?
              I guess you could figger that if you have two rights and two wrongs

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              • #22
                Originally posted by boscoe99 View Post

                Wondered what 6ml hole he was referring to.

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                • #23
                  see how easy this is?
                  why that info aint in the 650 dollar kit? beats me.
                  what happens if you don't follow the instructions? beats me. never tried it.

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                  • #24
                    Originally posted by walleye1 View Post
                    Thats like they sell gear case drain plug gaskets one at a time.
                    Walleye, have you used any of the new Yamaha drain plug gaskets? I believe they are black versus the old red "wood" gaskets.

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                    • #25
                      Yes, I order 100 at a time and they seat great.

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                      • #26
                        expert gents...is the 6mm hole in the 10-8D upper casing a hole IN the casing for identification purposes or an actual drain-hole THRU the casing? if a hole thru, what is draining and to where into the LU does it drain? just curious and enjoying the education...

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                        • #27
                          my post above #18 shows the Yamaha notice of the change - "added the drain hole"

                          here is a photo of my F225TXRD (2005 - does not have the extra hole)

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                          • #28
                            I don't understand the point of the single additional 6mm hole -

                            when water is already draining out of - 9? - existing holes surrounding the muffler opening -

                            you can see it in this video link:


                            https://vimeo.com/262303086








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                            • #29
                              at least now you know which gasket to use. pretty simple actually. hole or no hole.

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                              • #30
                                Originally posted by fairdeal View Post
                                I don't understand the point of the single additional 6mm hole -

                                when water is already draining out of - 9? - existing holes surrounding the muffler opening
                                Maybe when motor is tilted up it allows more of the water to drain out of that space,
                                other wise would trap some water in that area

                                Just a guess

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