They sell an 'easy out' kit at Harbor Freight for $7 that will back out all the tamper proof fasteners on the carb. You can then replace the carb bowl fasteners with regular screws. Plus the kit is just great to have in your tool box for whenever you run into a stripped or broken screw.
This isn't the exact set I purchased but it is close enough. Took the plugs right out of the carb with zero hassle.
http://www.harborfreight.com/screw-e...-pc-61981.html
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