A device for controlling a choke valve of a carburetor for an engine, includes a choke closed state hold device for holding a choke lever, in a closing position, the choke lever connected to the choke valve of a carburetor and urged by a spring in a direction for opening the choke valve, the choke…

An auto-enrichener for an all terrain vehicle, including an enriching conduit for carrying fuel and air to an engine, and a valve disposed in the conduit. The valve is adjustable between at least an open configuration and a closed configuration. In the open configuration passage of fuel and air…