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Joe, Marine Mechanic
Category: Boat
Satisfied Customers: 7251
Experience:  ASE, electronics, Marine mechanical and electronics, pwc, wiring, all around repair tech,
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I have Tohatsu 20hp four stroke. Got water in the fuel

Customer Question

I have Tohatsu 20hp four stroke. Got water in the fuel system and needed to drain the carb. Removed the drain screw under the bowl and drained everything. Now I cannot get the drain screw back in. The carb is to far recessed into the housing to get my fingers in. How can I replace the drain screw without having to remove the whole carb?
Submitted: 1 year ago.
Category: Boat
Expert:  Joe replied 1 year ago.


Thank you for allowing me to assist you, my name is Joe and I will be happy to assist you with your concern today.

Expert:  Joe replied 1 year ago.

You do not have many options here, you either need to remove things to gain access, have smaller fingers, use a screwdriver (flat blade) to hold it there while you spin it or you will have to remove the carb to put it back into place. A screwdriver/magnet usually does the trick. If you pull the carb you should replace the carb base gasket.

Thank you!

- Joe

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