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Kawasaki MX & Off-Road Dirt Bikes
Do I need to use JASO certified "motorcycle" engine oil in my bike?
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[QUOTE="Jaybird, post: 1154918, member: 22283"] Continued…. Now, let’s take a look at the requirements for an oil to be certified SM: [IMG]http://i29.photobucket.com/albums/c268/Jaybirdmx/SMcertificationstandards.jpg[/IMG] We see that the SM service category contains a few more requirements than that of the JASO T904 certification. And as long as the components of the oil do not cause a problem with the wet clutch assembly of a bike, SM rated oils should be every bit as good, if not better, than those that only carry the JASO certification…or those that claim to pass the requirements without actually being certified as such. But the certification requirements of both JASO and the API are not guarantees that these oils are the best products you can use. They are simply minimum requirements of oils to be certified as a particular service category. There are most definitely some oils that are only SM rated that are far better oils than some that are merely JASO certified. And on the same token, there are JASO certified oils that are much better than other oils that are SM rated. Neither the JASO nor API standards provide the consumer any sort of indication as to which oil is better to use than another. And price alone is NOT a good indicator of an oils worth. And even more worthless in providing us with the information we need to make intelligent decisions on the proper oils, are marketing campaigns. Only those who really don’t understand the world of marketing will buy each and everything thrown at them by a salesman. The salesman and his advertising accomplices are in the game for nothing more than the bottom line…which is the almighty dollar. Now, some oil formulators do go the extra mile to provide a superior fluid. And many of these fluids will also reflect very high pricing, but the cost is justified when certain components like polyol esters and high-cost additives are used. When we consider use of engine oil in a racing four stroke dirt bike, we must realize that there are certain factors that must be accounted for. First and foremost is the fact that oil that is used in both the engine and clutch assembly will see far more contamination than any other sort of engine. This contamination that is primarily created by the clutch materials is far more than the detergent/dispersant qualities of any oil can withstand for extended periods. There is simply too much contamination for the oil to handle. And as a result, we must consider changing out the oil on a frequent basis. And changing the oil frequently in a dirt bike can get expensive, especially if you are using high priced oil. But what about the oils used in diesel engines? These oils are normally the best at providing contamination control. A diesel engine produces lots of carbon and contamination, and the oils used in them have very high levels of detergents and dispersants to fight wear and degradation caused by contamination. These types of oils also typically contain high levels of additives to help protect the metals in the severe-service, high-torque diesel engine. There really is no such thing as “diesel engine oil”, but rather oils that are formulated for use in a severe service engine that are called “Universal” or “Heavy Duty” engine oils. These oils can carry an additional service category certification for such extreme duties. The latest service category for heavy duty engine oil applications is the ILSAC (International Lubricant Standardization and Approval Committee) is the GF4 certification. Continued…. [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
Do I need to use JASO certified "motorcycle" engine oil in my bike?
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