Standard ATV Sizing (ATV Sizes Chart) Engine SizeRiderUse Case 50ccChildrenBuilt for kids ages 6-1, who have just started riding 150cc – 200ccTeenagersIntermediate, manageable ride 250cc – 700ccAdultsVersatile, various terrains 700cc – 1000ccExperienced AdultsHigh performance, adrenaline activities Mar 4, 2024