This is NOT an oil debate or bashing!!!! I just wanted to try some Royal Purple Max Cycle 10W40 in my 2012 Gold Wing. When for a 250 mile ride today and I am draining it as I type this! I was running Mobil One Racing 4T 10W-40 before. Anyway, the Royal Purple Max Cycle for ME made the shifting harder and had more of a clunk sound. With the Mobile One Racing 4T the shifting was great and more of a click than a clunk!!! I will stick to Mobile One Racing 4T 10W-40 from now on!!!