*The bike is a 2012 Suzuki DR 650 single, shared gearbox/engine.
On the left colum is Maxima Ultra 5w50 Triple Ester.
On the right colum was may last change out with Amsoil 10w40
The Maxima has 1,500 miles on it, the Amsoil has 1,000 as indicated.
Regarding the comment on the copper. The DR has...