Home › Forum › Ask A Member › what is this hole for? (upper gear case) › Reply To: what is this hole for? (upper gear case)
October 31, 2019 at 2:45 pm
#186222
water drain …most likely
although it seems a bit large since no oil is draining it goes into the lower cavity and allows any water to drain to prevent freeze cracks
Joining AOMCI has priviledges 🙂