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 ope...

A method for improving engine performance, by increasing fuel efficiency and/or power output, and/or by decreasing the output of pollutants. When the temperature of the engine's exhaust system is lower than a target temperature, the ignition position of th...

The present invention relates to a transmission for a recreation vehicle, such as an all-terrain vehicle that includes a locking assembly for locking a differential joint in the front- or rear-end portion of the transmission. A vehicle having both front an...

Herein is disclosed a snowmobile configured to start in response to a remote-start signal. One embodiment of the invention includes a snowmobile outfitted with a remote starting system (100). The remote starting system, itself, includes a remote starting a...

A suspension control system that is useful with a snowmobile, ATV, and other recreational vehicles, comprising: a main body (34) defining a shock absorber, a piston disposed within the shock absorber, a remote reservoir (40), a control valve housing (54), ...

A sectional receiver rack includes a main framework piece that is attached to a mounting surface of the personal recreational vehicle. The main framework may be flat and may be fashioned generally in the image of a cargo rack. The main framework may have m...

An all terrain vehicle (100) is provided with one or more wheel fenders (110) that double as storage compartments. The fenders define a hollow volume into which a variety of desired items can be placed for storage. An acces opening provides access to the h...

A flexible shaft starter system for an internal combustion engine of a recreational vehicle. The internal combustion engine is mounted to a chassis of the recreational vehicle and has at least one driven member. The flexible shaft starter system includes a...

A two-cycle internal combustion engine has an ignition timing that varies with engine speed. A plurality of ignition patterns (the relationship between ignition timing and engine speed) arc used. The engine exhaust gas temperature is sensed and is used to ...