Comparison of Repsol Racing 10W40 and Motul 300V Oils

1. Introduction to Repsol Racing Oil and Motul 300V

• Which Repsol Racing oil is the best for the Exciter 150?
• Amsoil Metric vs Motul 300V: which is better? Analyzing PAO and Ester base oils.

2. Comparison of Repsol Racing and Motul 300V Base Oils

• Repsol Racing oil is formulated from PAO base oil (Group IV).
• Motul 300V oil is produced from Ester (Group V). It is important to note that Group V currently lacks specific standards and is still awaiting clear confirmation.

2.1 TBN retention capacity and after oxidation

2.2 CEC L-48-A-00 oxidation test

2.3 Four-ball wear test