The two large complications about the RB30 relate towards the oiling program and crank collar. This isn’t certain to only the RB30 series, given that the RB20/twenty five/26 also have pointed out concerns While using the oil pump and oiling devices. They all are afflicted with this situation (early RB26 https://lorenzonllgd.thechapblog.com/27853233/5-easy-facts-about-new-rb26dett-for-sale-described