What is the recommended tire pressure for D-class? May 04, 2020 19:31 min 5, max 30 psi. Related articles Can I get the old platform footpegs on D-class? Does D-class have a twist throttle or thumb throttle? What is the max weight limit for D-class? What happens if you stop producing this version of the D-class? Will I be able to find parts? How much does the D-class weigh? Comments 1 comment Sort by Date Votes Rory Haught October 02, 2020 21:59 The power button on the screen turns on my x- class. How do you turn it on, if the screen gets broken or stolen? 0 Please sign in to leave a comment.