Name:   MartiniMan - Subject:   Yamaha four stroke Date:   3/13/2017 1:46:51 PM

Agree with GF.  I have always used the Yamaha oil for my jet ski.  It's a bit more expensive but not so much that it's worth taking a chance on other products.  I also think if you have always used Yamalube it will help if you ever want to sell it.