Carburetor

A carburetor (20) has an air intake passage (24), a fuel passage, a fuel nozzle (32) in communication with the fuel passage (30) and having an opening through which fuel flows, a first valve (28) in communication with the air intake passage (24) and being moveable between first and second positions, and a second valve (34) in communication with the fuel nozzle (32) and also being movable between first and second positions to vary the effective flow area of the fuel nozzle (32).