If it's wrking and making enough power for you then it's fine! Why spend cash on bits you don't need just because they say HRC on them?

If it's not running right or down on power, then maybe getting the right bits will help. Had it on a dyno?
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MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball