Castrol's part synthetic motorcycle engine oils combine the benefits of full synthetic and conventional motorcycle oils to ensure performance and protection.
Part synthetic oils page
Part Synthetic motorcycle oils combine some of the benefits of synthetic lubrication technology with those of traditional mineral oil. These motorcycle oils have been developed by our liquid engineers to provide a balance between the protection and economy offered by mineral oil and the throttle responsiveness of full synthetic oil.
Castrol’s part synthetic bike oils also feature advanced liquid engineering features such as Actibond™ Technology, ensuring a continuous layer of protection during start-up and beyond, to extend your motorcycle’s engine life.