Here's a vital ATV pre ride inspection checklist. FuelEasily the most obvious, fuel ranks high among the variables to check before riding your ATV. A fuel check is not limited to checking whether the vehicle has any. ATVs are often ridden sporadically, with large intervals in between. In such cases, the fuel needs to be drained out from the tank and the carburetor. Fuel degenerates if left in the tank for a long time, and damages the engine possibly permanently if used in such a condition.