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Oznaczenie JASO MA, MA1, MA2 oznacza, że olej przeznaczony jest do smarowania mokrego sprzęgła. Zaś oznaczenie JASO MB oznacza, że olej nie jest przeznaczony do smarowania mokrego sprzęgła i może być zastosowany tylko do smarowania układu tłokowo-korbowego i rozrządu.
3 gru 2023 · Ma2 engine oil beat Jaso MA2 oil and more critical information. From here, you also can know which oil certifications are best for your motorcycle and scooter. The JASO MA/MA2 specs ensure enough friction to help with shared wet clutch applications.
1 wrz 2015 · If all its properties fall within the limits of MA2 then it can be classified as a JASO MA2 oil. If some properties fall within the MA1 subcategory but others in MA2 then the product is simply a JASO MA product.
18 wrz 2020 · Why the need for JASO MA2? JASO MA2 oil provides increased friction performance – essentially, more grip. That means the clutch lever will feel less progressive, almost like an on/off lever, which some dirt bike riders like. For some riders, an MA2 fluid might be a little too “grabby.”
JASO introduced the MA and MB specification to distinguish between friction modified and non friction modified engine oils. For motorcycles which share the oil with the engine, clutch and transmission, it is not a good idea to have advanced friction reduction additives that can cause slip.
8 lis 2024 · To make sure that the right oil is used motorcycle manufacturers usually require the oil to meet one of the JASO standards explained below. The motor oils that meet the JASO T 903:2006 standard can be classified into four grades: JASO MA, JASO MA1, JASO MA2 and JASO MB.
2 mar 2013 · Following the same logic as the move from ILSAC GF4 to GF5 and API SM to SN in the automotive side of motor oils for gasoline engines, MA to MA2 entails a reduction in the level of key anti-wear additives in the oil, namely Phosphorus and Zinc. An MA oil will tend to have more Phos/Zinc anti-wear additive by ppm count than an MA2 oil.
