I think it is a remotely mounted oil pressure switch. Looks like a hole is drilled through the case to hold the bracket. Strange that something like this would need to be done.
Originally Posted by wecm31
Kurt -- Forum Liaison ---> Resources and Links Thread <---
'78 R100/7 & '69 R69S & '52 R25/2
mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!