Fuel shut-off valve assembly

A fuel shut-off valve assembly for use with an internal combustion engine carburetor having an induction passage for air flow to the engine, a throttle disposed in said induction passage for controlling flow therethrough, and a fuel passage having a discharge port opening into said induction passage downstream of said throttle, said fuel shut-off valve assembly comprising a hollow body adapted to form a portion of said passage and defining a seat in said passage adapted to surround said port, a guide member disposed within said body, a valve having a threaded portion supported within said guide member and a tapered metering portion adapted for disposition within said port, said valve being adjustable within said guide member to locate said tapered metering portion at a desired position within said port and thereby control fuel flow through said port, a sleeve member mounted about and slidable relative to said guide member within said body and having a closure portion engageable with said seat, said sleeve member being reciprocable between a first position wherein said closure portion is disengaged from said seat to permit fuel flow through said passage and a said second position wherein said closure portion is engaged with said seat to reduce fuel flow through said passage, spring means biasing said sleeve member to one of said positions, and a coil associated with said sleeve member and energizable for moving said sleeve member from said one position to the other of said positions against the bias of said spring means.