Quick Summary
Castrol POWER1 4T 10W-30 Motorcycle Oil 1L is a part synthetic 4 stroke motorcycle engine oil for bikes where API SL or below and JASO MA or MA2 are recommended. It is described as an advanced, premium quality oil for the latest generation of 4 stroke motorcycle engines.
Who It Is Best For
This oil is suited to riders looking for a 10W 30 motorcycle oil for 4 stroke bikes, including carburettor and fuel injected models, where the listed specifications match the bike maker guidance. It will appeal to anyone who wants a recognised motorcycle oil in a 1L size for routine maintenance.
What To Know Before You Buy
Check that your bike calls for API SL or below and JASO MA or MA2 before ordering. It is listed as suitable for all makes of 4 stroke bikes, but the correct match still depends on the engine requirements for your specific bike.
Pros: Part synthetic formulation and a clear motorcycle specific specification make it straightforward to match against the right engine requirements.
Cons: You should confirm the selected oil grade and approvals suit your bike before buying.
Common Buyer Questions
Is this for 4 stroke motorcycles?
Yes, it is a 4 stroke motorcycle engine oil.
Can it be used in fuel injected bikes?
Yes, it is listed as suitable for carburettor or fuel injected bikes where the stated specifications are recommended.
What specifications does it list?
It is listed as API SL and JASO MA2.
What size is the bottle?
It is supplied in a 1L size.
Is it part synthetic?
Yes, it is described as part synthetic.
Key Details
| Detail | What it means in use |
|---|---|
| Product type | Motorcycle engine oil for 4 stroke bikes |
| Grade | 10W 30 |
| Size | 1L bottle |
| Specifications | API SL, JASO MA2 |
| Suitability | Suitable for carburettor or fuel injected bikes where API SL or below and JASO MA or MA2 are recommended |
| Type | Part synthetic |
| Former name | Formerly Castrol POWER1 GPS 4T 10W-30 |
Final Buying View
Castrol POWER1 4T 10W-30 Motorcycle Oil 1L is a clear choice if you need a part synthetic 10W 30 oil for a 4 stroke motorcycle and the listed approvals match your bike. The key is to check the required specification before you buy, then you can order with confidence.





