<Table> <Tr> <Td> </Td> <Td> This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2008) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2008) (Learn how and when to remove this template message) </Td> </Tr> <P> The Suzuki JR50 is a miniature motorcycle with a 49 cc displacement and a single - speed automatic transmission, using a centrifugal clutch and height adjustable suspension . An oil injected two - stroke engine provides optimum lubrication and an oil level window makes it easy to see when a refill is needed . It is designed for children ages 5 to 12, and has been used for both racing and recreational riding . The JR50's engine was later used in the ALT50 and LT50 ATV's . </P>

Is a suzuki jr 50 a 2 stroke