SDG High Foam Seat Black - Fits: Yamaha YZ125 2002-2019 High seat foam has more cushion for a softer ride and makes it an easier transition for taller riders to go from a sitting position to a standing position. SDG Complete replacement seats come pre-manufactured and ready to install. Complete seats come with base, foam, gripper seat cover and mounting brackets modeled specific for each machine. High foam seats are " to 1" taller.