Motor oil - Wikipedia, the free encyclopedia
1 Use 2 Non-vehicle motor oils 3 Properties 4 Grades 4.1 Single-grade 4.2 Multi-grade 5 Standards 5.1 American Petroleum Institute (API) 5.1.1 Motorcycle oil 5.2 ILSAC 5.3 ACEA 5.4 JASO 5.5 ASTM 6 Other additives 7 Synthetic oils 8 Bio-based oils 9 Mainte...