Motor oil comes in a variety of forms, designated by pairs of numbers, but the most common two are 10W-30 and 10W-40. What's ...

Formulated with advanced additives for year-round engine protection is Valvoline's Premium Conventional Motor Oil. The company's lineup of motor oils is available in multiple viscosities: 10W-30 ...

The recommended engine oil grade for Yamaha MT-15 is 10W-40 API service SG type or higher, JASO standard MA and has an engine oil capacity of 0.85 liter.