Scooter Engine Parts Diagrams

Engine Diagrams

Schematics

Browse our huge selection of parts by engine type!

150cc GY6 is the most common engine found on large frame Chinese scooters and is commonly used to upgrade 50cc scooters to 150cc.

The 50cc 4 stroke engine, also known as QMB139 or GY6 50, is the most common engine used on small frame Chinese scooters. The Minarelli engine is a popular model of 50cc 2-stroke engine and 90cc 2-stroke engine that is found on Taiwanese and Chinese scooters.

The 250cc Water-Cooled 4-stroke engine is commonly found on the liquid cooled Chinese “Maxi” or exra large framed scooters. We offer a selection of parts for those of you with the less common 50cc 2-stroke D1E41QMB engine, easily identitied by the chain drive transmission.