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  1. HOME
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  3. MOTORCYCLE MAINTENANCE
  4. SEMI SYNTHETIC MOTORCYCLE OILS

SEMI SYNTHETIC MOTORCYCLE OILS

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

Do you need part synthetic motorbike oil?

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.

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Motorcycle Oils

View other Castrol Oils & Lubricants for your Motorcycle.
Where to Buy

Where to Buy

Find out where you can buy Castrol Oils & Lubricants for your Motorcycle near you.

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Close up view of technician checking on motorcycle engine oil

Is full synthetic oil right for your motorcycle?

Castrol's full synthetic motorcycle oils enable the highest levels of performance. They combine optimum protection with low viscosity to deliver fast throttle response.
Side view look at fast moving racing motorcycle

Motorcycle race oils

If you race, it's essential that you use motorcycle racing oil. Castrol's racing oils are liquid engineered to withstand the pressures inside performance engines.
A technician checking on motorcycle engine oil

Motorcycle mineral oils

Mineral, or conventional motorcycle oil, is a budget-conscious choice for older engines. Yet it still offers all of the Castrol liquid engineering you need.
Far away look at moving motorcycle on the road

2 stroke engine oil

If you're running a 2-stroke engine, your choice of 2-stroke engine oil is important. Castrol® 2 cycle engine oil reduces harmful deposits and controls exhaust smoke.