f-twin coolant

I have never changed the coolant level on my 2017 f800gs. Only has 3000 miles. Do I need to change it? Bought in 2020 as a dealer demo with only 30 miles. Nothing in manual about changing. Just checking/topping off.

I just bought a used F 650 GS with 9000 miles. I was checking the whole bike over and found there was no coolant in the overflow tank. What type/color do I use? Thank, Phil