Quality used motorcycles and vin check websites? However, if you have an ATV or similar, the location depends on the manufacturer. In most cases, you will find it in the frames placed on the left side under the shifter. There may be other places where an ATV VIN can be obtained depending on its manufacturer, so make sure that when you buy your ATV you ask the manufacturer where to find it. Why is the Motorcycle VIN Check Important? Testing a motorcycle VIN is the best way to know the real identity of a motorcycle and to determine if a …