this is a Harley compensator. In the Harley engine this is in the oil bath of the primary chain housing... so always bathed in oil. Grease would not work well in this setting.
Rodger 2018 M3W "Dreamers on the Rise" 2004 Plus 8 (wife's) old Goldwings and a couple of Harleys
![[Linked Image]](https://s199.photobucket.com/user/rcmatt007/media/softail_zpskc9mflff.jpg.html)
