Passengers under 8 years of age can only ride in a “Side by Side ATV” with an approved child safety seat. Any passenger less than 4 years of age, or weighing less than 40 lbs., or under the height of 4’9″ tall must use a child restraint device. Any passenger between ages 4 and 7 and weighing less than 80 lbs. and/or any passenger under the height of 4’9″ must be fastened in an ATV Seat belt system with the use of an approved booster seat. Certificated operators ages 8 and 9 are restricted to an ATV/OHM with an engine size of 70cc or less.