Problem Which Lubricant? Monkey ball

[Sbdesign]

Just putting panel back together.
And wondered if anyone with experience knows which lubricant and where to put it?

I’m guessing the plastics that turn the pot? Spring? And restrictor?

 

[Chihiro]

Maybe use some of this:

Shin-Etsu Silicone Grease G40M 3g - Arcade Parts UK

Silicone grease to ensure your Sanwa stick stays smooth and responsive. This is the grease recommended by Sanwa for use with their joysticks. We recognise that not everyone wants to buy a 100g tube, so we have divided this into smaller 3g tubs to make it cheaper to buy the right grease. Made in...

www.arcadepartsuk.com