Lots of good tips...
Change the engine oil and filter, gear box oil and final drive oil and have a good look at the state of the oil when it comes out before disposing of it, usual suspects are excessive swarf, water ( milky residue ) and
check volume - was there enough in there to start with?
Age related issues are the electrical loom - as mentioned before, and check for signs of fraying or being trapped under tank.
Shocks may need rebuilding.
My grips were paper thin when I got mine at 72K, a 15 minute job to replace with new ones from Motorworks - use hairspray £1 a can from

- so easy!
To be honest it's still running at 60k so she's probably going to be fine!