10 Best Bike Engine Oils 2026 in the United States

Motul 7100 15W-50 is a fully synthetic engine oil designed for motorcycles, making it a solid choice if you want strong engine protection and smooth performance. The 15W-50 viscosity means it handles well in a wide range of temperatures, offering good protection during hot rides or when the engine is working hard. Being fully synthetic, it tends to last longer and resist breakdown better than conventional oils, which helps keep your engine cleaner.

Motul is known for premium quality, and this oil has a high rating from many users, showing reliability and satisfaction. It's also labeled as a universal fit for motorcycles, so it should be compatible with most bike engines. If you want a dependable, high-quality synthetic oil suitable for everyday riding and moderate to demanding conditions, this Motul oil fits well. Just double-check your bike's manual for viscosity and rating requirements to be sure it's the best match.

Motul 7100 4T 5W40 is a fully synthetic engine oil designed specifically for 4-stroke motorcycles. Its 5W40 viscosity means it flows well in cold starts while providing strong protection at high temperatures, making it a good all-around choice for various riding conditions. This oil meets the latest API SP and JASO MA2 standards, which ensures it supports engine cleanliness, stable oil thickness, smooth clutch operation, and compatibility with modern emission systems.

The ester-based formula helps maintain consistent lubrication and protects both the engine and the integrated gearbox, promoting smoother gear shifts and clutch engagement, especially important for bikes with wet clutches. It also helps reduce wear and tear, contributing to longer engine life. On the downside, because it’s a premium synthetic oil, it might be priced higher than conventional or semi-synthetic options, which could be a consideration for budget-conscious riders. Additionally, while it supports a wide range of motorcycles, users should always confirm compatibility with their specific bike model.

This oil is suitable for motorcycle riders looking for reliable performance, protection, and compliance with modern emission standards, making it a solid choice for daily commuting and spirited rides alike.

The Motul 7100 4T 10W-40 is a fully synthetic motorcycle engine oil designed to provide excellent engine protection and performance. Its 10W-40 viscosity makes it versatile for different riding conditions, offering good flow when cold and strong protection at high temperatures. Using advanced ester-based technology, this oil enhances lubrication and naturally helps keep the engine clean.

It performs well under heavy mechanical stress, maintaining consistent thickness to protect engine parts effectively. The oil meets important standards like JASO MA2, which ensures it works smoothly with wet clutches found in many motorcycles, and API SN, indicating broad engine compatibility and emissions compliance. This makes it a solid choice for high-performance bikes, including those with catalytic converters, and it supports integrated gearboxes.

Being a premium synthetic oil, it may be priced higher than conventional options, but many users find the quality justifies the cost. With a strong reputation, this oil is well-suited for riders who want reliable, advanced protection for their motorcycle engines.