10W30 vs. 10W40 Oil | What’s the Difference Between 10W30 and 10W40 Oil | Partzilla.com

So is 10W30 or 10W40 oil better for your motorcycle? We’ll start by explaining what 10W30 and 10W40 actually mean when you’re talking about those lubricants, what the “W” means, and how these different oils will behave in different environments. We’ll also talk about which is better for fuel mileage… 10W30 or 10W40. Finally, we’ll explain how motorcycle oil is different from the oil in your car, and why you need to be careful about using automotive oil in your motorcycle. Buy engine oil at Partzilla: Talk to us: