How to remove a stuck magnetic drain screw?

[Midcoast]

Hello,

I want to change my lower gear unit for my two stroke 1996 DT40 (40 hp) outboard motor. However, my drain screw is stuck and I can not twist it free at all.

Any advice on how to remove it? I sprayed Wd 40 and still won't budge. So frustrating as I am starting to strip the drain screw.

[mmanuel]

google "impact driver".

[ChrigelKarrer]

as Mmanuel already wrote,
get a impact driver with a big wide (but corresponding to the screw slot) flat screwdriver insert, push it in the slot and tap it with a hammer.
Try first to use moderate force while hammering, the impact from the hammer usually unblock the tread and also turns the scredriver instert to twist the screw.
Impact Screwdrivers are a very handy and cheap tool for stubborn screws!

Be very careful to not strip the screw completely, if you strip it you will be in deep trouble!

Chris

[artdf175]

Does the fact that your next post is asking where to buy a new one tell me you destroyed this one?
If not I will tell you how I do it
Art