NAMCO RIDGE RACER V Manual Del Operador página 38

Note: If the location site of this machine has a polished floor it is recommended
that rubber pads are fitted under the level adjusters to prevent the
machine sliding on the floor when in use.
Castor
Approx. 5mm
Level adjuster
(See Section 6-3-3 page 47 to set the game PCB ID correctly)
Number sticker
Number sticker
Seat Assy