I just did an oil change and the first diff fluid change since my OS Giken install. Diff had 75w90 Motul fluid. It now has 75w140 fluid with some friction modifier. It was needing to be changed. It appears I will need to change it every 10k.
Motul 75w90 is Green.
Motul 75w140 is Blue.
This is how you tell.
Last edited by Spooler; 08-28-2017 at 12:02 AM.
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