Changed oil at 6643 mile mark. Last change was at around 4500.
Used 5W40 Valvoline SynPower Full Synthetic Motor Oil.
Also replaced the oil filter. (Hiflo HF566)
After that I replaced the gear oil as well. Used same Mobil Mobilube 1 SHC 75W90 Fully Synthetic Gear Oil as with the last service.
I updated this post to share a photo, thinking it may be of help to others. I made up a quick filler for the gear oil. I've read somewhere to use a syringe or a soft bottle with a long nozzle so I came up with this idea.
Cut a small hole in the cap of a 0.5l bottle. Put a piece of elastic tubing through and used hot glue both inside and outside to secure the tubing in the cap. Measured the right amount of gear oil into the bottle and squeezed the oil into the gearbox very easily. Much easier than previously using a small funnel with an elastic tube on the end.