Why aren't there any 4 wheel motorcycles the size of atvs? - Quora
Lazareth LM410 Motorcycle Has 4 Wheels and 200 Hp
Qooder aims for spirit of BMW C1 with all-electric four-wheel scooter | Auto Express
High Quality Electric off-Road Motorcycle Dirt Bike Adults ATV Quad 4X4 Gasoline Electric Motorcycles Atvs 4 Wheels Scooter - China off-Road Motorcycles and Motorcycle price | Made-in-China.com
Kawasaki has a Four-Wheeled Motorcycle in the Works - webBikeWorld