Is rotella 15-40 good in a 1450 harley Davidson engine?

Yes, Rotella 15W-40 is generally considered a good choice for a 1450 Harley-Davidson engine. It provides Excellent protection and performance, particularly in air-cooled engines, due to its high thermal stability and shear resistance. However, it's important to check the specific recommendations in your owner's manual and ensure that the oil meets the necessary specifications for your motorcycle.