PSI
Super Moderator
Joined: May 2001
Posts: 11,851
Likes: 2
From: Rancho Palos Verdes, CA
Vehicle: 2008 Toyota Prius 2006 Suzuki SV650S
I'm assuming you mean for storage purposes. I would say about 5 psi less that what you run normally. If you go any softer or harder, you risk stressing the sidewalls.