Honda BF2.3D3LCH Outboard - 20" Shaft Manual Start Internal Fuel Tank Silver. Overview. The BF2.3D3LCH is for boaters who want small-motor convenience but need the extra reach of a 20" shaft. If your transom sits a little higher-common on certain skiffs, small utility boats, and some inflatables with taller mounts-this long shaft version helps keep the prop planted and running clean instead of ventilating when the water gets choppy.. Like the other 2.3HP models, this outboard is built around min