Do it the right way, and get the carb rebuilt by a qualified professional. While you're at it, if the engine is enclosed in any sort of a housing, buy yourself a flak jacket and a good life insurance policy. Running car parts without flame arrestors on inboard boats is asking for a disaster, sooner or later.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!