Join Date: Jun 2009
Location: Omaha, Nebraska
Im an Amsoil Dealer and it is good oil. The important thing to remember when buying motorcycle oil is that it is rated to meet "JASO MA" spec. This means it is wet-clutch compatible.
So you want to know what the "best" oil is? That depends what you want it to do best. For racing, in my opinion, the Maxima 4 Extra is best, due to the having the highest levels of zinc and phosphorus. For longevity, Amsoil has the highest TBN rating, which means you can run it for a long time between changes. Best oil for the price is Honda GN4. Whats best for you?
Oil is oil, until the additives are blended.
A 1st Gen Ten will eat the hearts of grown men.