jasoncooperpcola

Dont drill it out. Dismount the motor, and remove either the tilt trim or the starboard bracket. Then you can get a socket on it. You need to remove the c clip then the valve screws out. I went thru almost the same deal when my o ring blew in my manual release valve. Or you can try to drill the access hole bigger.

Edit, after looking at the pics again. Either yours is rounded off or it did not have a hex head. Try a bigger screwdriver or a chainsaw scrench. lLooks like you have a bigger access hole than my Johnson.

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FishinFool

Wirelessly posted

The screw head was a single slot head that the top half broke off when I tried to open it up.

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Jim

GEAUX TIGERS! GEAUX SAINTS!

marmidor

IF and I say if only because the pic looks like there might be a just enough left of the head to get a bite on, pick up some heavy grit valve lapping compound and put a little on a good screw driver. That may give you just enough to break it loose. First I would soak it down with a good penetrating oil like PB BLASTER or something along those lines . good luck!

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SoCal619

That looks identical to how my screw was, and the bigger flathead I got, it just deteriorated more. The fact that you had to use it multiple times to let the motor down means its leaking fluid and can't maintain the vacuum. I'm telling you, after dismounting the assembly, EZ-outing the screw, and replacing that and the seals, I haven't had a problem since. I got the part number for the screw off boats.net. Get the part number and call around, they usually use the same screw for a number of years and I bet someone locally has it.

lastcast

Try a manual impact driver.

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Skip

Fishing flip

i got the same motor and mine did the same thing it would not lower anyone know how to fix