When it comes to keeping your motorcycle running at its best, understanding the role of engine oil viscosity is crucial. Viscosity affects how well the oil flows and protects your engine under different conditions.
This blog breaks down viscosity ratings and guides you in choosing the most suitable motorcycle engine oil based on your riding needs.

What is Viscosity in Motorcycle Engine Oil?
Viscosity refers to how thick or thin an oil is and how easily it flows at different temperatures. In simple terms, the viscosity of motorcycle engine oil determines how well it can coat and protect your engine parts. Oils with high viscosity are thicker and flow more slowly, while oils with low viscosity are thinner and flow more easily.
When looking at motorcycle engine oil, you'll see ratings like 10W-40 or 20W-50. Here’s what these numbers mean:
The First Number (e.g., 10W): Refers to the oil's viscosity in cold temperatures (W stands for winter). Lower numbers mean better flow in cold conditions, helping the oil circulate quickly when you start the engine.
The Second Number (e.g., 40): Indicates the oil's viscosity at high operating temperatures. Higher numbers mean the oil maintains thickness in hot conditions, providing better protection at high speeds and temperatures.

Choosing the Right Viscosity Based on Riding Conditions
Selecting the best motorcycle engine oil for your bike depends largely on the type of riding you do and the weather conditions in your region.
Daily Commuting in Mild Climates
For regular city commuting in moderate weather, an oil with a rating of 10W-40 is ideal. This viscosity provides a good balance, ensuring smooth starts on cooler mornings while also protecting the engine as temperatures rise.
Long-Distance Rides in Hot Climates
If you’re taking long rides in hotter regions, a higher viscosity oil like 20W-50 is recommended. This thicker oil helps maintain optimal lubrication even when the engine heats up over long distances, preventing breakdown and protecting engine parts from excessive wear.
Cold Weather Riding
For colder climates, opt for a lower first number, like 5W-40 or 10W-30. These oils flow easily at low temperatures, ensuring that your engine components are quickly lubricated even in the cold.
High-Performance or Racing
For performance bikes, using a high-quality synthetic oil with a viscosity like 10W-50 or 15W-50 offers maximum protection. These oils maintain stability at extreme temperatures and speeds, which is essential for high-performance engines.
The Importance of Choosing the Right Motorcycle Engine Oil Brand
Not all oils are created equal, and choosing the best choice motorcycle engine oil brand is essential.
A reputable motorcycle engine oil brand will not only provide oils with precise viscosity ratings but also include high-quality additives that improve performance and protect against corrosion, sludge, and wear.
The Role of Synthetic vs. Mineral Oils
When deciding on the most suitable motorcycle engine oil, it’s also important to understand the difference between synthetic and mineral oils:
Mineral Oils: Ideal for older motorcycles or less demanding conditions, as they’re made from refined crude oil and offer basic protection.
Synthetic Oils: Engineered to handle higher temperatures and stress, synthetic oils are typically the best motorcycle engine oil for modern, high-performance bikes. They provide better lubrication, stability, and protection, especially under extreme conditions.
Making the Right Choice for Your Bike
When it comes to protecting your engine, the right oil makes all the difference. A high-quality motorcycle engine oil brand with the appropriate viscosity for your riding conditions can extend your engine’s life, improve performance, and enhance fuel efficiency. For those looking to keep their motorcycle running at peak performance, choosing the best choice motorcycle engine oil brand is crucial.
DashOil offers a range of oils designed for every riding need, from daily commuting to high-performance racing. With superior viscosity control and additives for enhanced protection, DashOil is the best motorcycle engine oil for Malaysian riders. Discover the difference that quality and the right viscosity can make for your bike.
Trust DashOil for all your motorcycle engine needs and ride with confidence!

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