Amazon Basics 4-stroke Motorcycle and Gardening Tools Oil, 4L, 10W-40 - £17.29 @ Amazon

This high-quality 4-stroke oil is suitable for motorcycles with wet running clutches. It can also be used in garden machinery equipment like cultivators or tillers that specifically require a 4-stroke oil. Recommended for applications with the following requirements: API SG and JASO MA2
Maintains engine life, performance, and fuel efficiency and helps to reduce engine wear and tear
Suitable for use in the latest vehicles, including those under warranty when in accordance with vehicle manufacturer recommendations
Available in a range of pack sizes, suitable for both top-ups and complete oil changes
Check vehicle manufacturer's handbook to ensure suitability before use