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    2003 Tohatsu MFS9.9B2 3V5 throttle high pitch whine

    Hello there. I have a 2003 Tohatsu MFS9.9B2 3V5. It a center console outboard. The throttle box on the center console I believe is supposed to make a high pitch noise when you put it in reverse. A few months ago mine starting making a high pitch noise in forward or reverse. It doesn't make the...
  2. K

    Tohatsu 9.9 makeing high pitch sound in the remote throttle.

    I have a 2003 Tohatsu 9.9 4 stroke outboard with remote. Recently it has started making a high pitch sound from the remote when I am in reverse or going forward. I thought that it might be a warning about the impellor or temp but the impellor is pumping water out of the tell tale hole at a nice...
  3. K

    Better prop for a 2003 Tohatsu 9.9HP 4 stroke

    I have a 2003 Tohatsu MFS9.9B2 4 stroke. It runs well and it is on a Carolina Skiff J16. It has the stock prop that I believe that it is an 8 pitch. I am just trying to eke out as much speed as I can without having to get a larger engine. I see that most responders want to know TACH at WOT and...
  4. K

    Can I upgrade a 2003 Tohatsu 4 stoke 9.9 (MFS 9.9B2) to 15HP?

    I have been reading some of the other threads and have not seen my model addressed. IS it a simple cam or throttle swapout?
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