Recent content by wilbur4s

Thanks for that input. What about the residual synthetic oil in the engine when it is converted back to mineral? I was told that they won't mix and the remaining synthetic will get frothy and somehow reduce librcation?

Hi, I have a 2018 Yamaha Eluder motorcycle. Yamaha calls for a range of viscosity of Yamalube mineral oil. I inadvertently put in 15W-50 full synthetic. Yamaha calls for changing oil/filter every 4,000 miles. I do that religiously. I am wondering for both availability and cost, what risk do I...