Honda Global | February 20 , 2004 "Honda Announces a Full Model Change for the Sporty Smart Dio Z4 50cc Scooter- Featuring the world's first electronic fuel injection system for a production 4-stroke 50cc engine -"
Honda Announces New 125cc Scooter Engine With Idle Stop | Motorcycle.com
Honda Global | September 26 , 2011 "Honda Develops Engine with Enhanced Durability, Quietness, and Fuel Economy for 125cc Scooters Equipped on Global Scooter Models"
Honda Genuine 4 Stroke Scooter Engine Oil SAE
Honda Announces New 125cc Scooter Engine With Idle Stop | Motorcycle.com
150CC 4-Stroke Scooter ATV Motor Engine Set Air Cooled For Honda Short Case | Inox Wind