03-02-13, 10:16 AM
Hi Tilts. Most motorcycles don't need fully synthetic oils and 10/50 is more like the kind of oil you use in cars. Yamaha recommend 10/40 semi. I'd stick with that because fully synthetic can lead to massive oil consumption later on.
![[Image: 125377.png]](http://mefi.us/images/fuelly/smallsig-uk/125377.png)