Motorcycle Oil Grades

Engine oil manufacturers in turn label containers with the oil rating.

Motorcycle oil grades. The minimum level required for a motorcycle oil to reach jaso ma is 20. For example at 212 degrees fahrenheit straight 30 weight oil has a vi of 9 3 to 12 4 a 40 weight 12 5 to 16 2 and a 50 weight a vi of 16 3 to 21 8. There are other motor oils on the market that meet the rating and grade of original bmw m oil but we strongly suggest that diy home mechanics think. Bmw m cars and savs have high performance engines that require different oil grades than non m models.

There is a catch though. Mashud akhter july 10 2020 engine oil list no comments. Can you use car oil in a motorcycle. The grade of oil your motorcycle uses is very important.

Viscosity is affected by temperature so different grades or weights of oil have different viscosities and only work properly over a fairly narrow range of temperatures. If we say the engine is the heart of motorbike then we can say the engine oil is the heart of the engine. A typical oem 15w40 running in oil will lose 12 7 part of the reason it needs changing after just 600 miles while a pure fully synthetic ester base oil will lose just 5. For good health your bike you have to know what grade engine oil is preferred for your bike.

When looking at the engine oil grade just pay attention to the number before and after the letter w. It tells the user which temperature range the oil is and the right amount of viscosity to provide effective lubrication. Looking at so many different brands with all those numbers and letters can be overwhelming for some like 5w40 10w40 15w50 and so on. Every motorbike company has different.

We only use original bmw m twin power engine oil in our m cars at the bmw repair guide. A cheap base oil sn 100 in the graph below loses 29 of its weight during the noack test. Recommended engine oil grade for all motorcycle. Most motorcycle manufacturers call for an sg rating introduced in 1995 or higher so always look for the latest designation when buying oil.

So lets break it down on the things you need to know about engine oil grades.