I think I have the only GV250 in Hawaii haha.
Find hawaiians on social media and see if there is a biker community there and ask around, you will be surprised there could be one more. I am suspicious we have a member on here with a GD250 EXIV model but i could be wrong, if its true it could mean they have not posted in the forum for a long while.
In regards to your starter issue.
Replace the starter motor first, and crank on full throttle with a new relay. Test and report back ?
You can also carefully , extract the flywheel out of the bike and look at it , if it is under 10,000 miles old, I don’t expect issues with the flywheel system yet i hope not.
If in doubt, upload here what you see.
If you drain oil, replace it with Motul 7100 (very very good oil!) and get a fresh oil filter. Better to replace oil OFTEN as you like to keep the engine healthy as possible.
I change oil every 1,000 miles on my bikes. It is OCD / Crazy but i’d rather waste the oil than scream at engine replacements lol. The local recycle plant should take your old oils and they will re-use it for something else so you’re not killing the enviroment.