I've been trying for days to get this screw out of my carb so I can change my jets for a wet pipe, today I got really pissed because even my McMaster JIS Phillips wasn't turning this screw and its so ed now. What do I do now there's no way it's coming out with a screwdriver now
You'd be surprised what an impact driver can pull out. I drill the head off and then use needle nose vice grips to turn it. They are always stuck in the carb body and you can pull the jet cover off when the head is gone. I don't trust myself with a dremel to not hit something else.
i have done this twice.. Tap a red robertson screwdriver gently into it.. those heads are soft.. the square head will seat into the bolt and work great
Get a small bit of valve lapping compound on the tip of your screwdriver, it will grip the head and the screw will come right out. Give that a go before you try grinding/ drilling.
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