Hi, this is my first post.
I have a 2009 Yamaha V-Star 950 (air cooled engine, wet sump)
The owners manual shows this for oil:
Type: YAMALUBE 4 10W-40 or 20W-50. SAE 10-40 or SAE 20W-50
Recommended grade: API service SG type or higher, JASO standard MA
As far as my riding season, it is from...