Honda BF15D3LHT Outboard - 20" Shaft Electric Start Power Tilt Tiller Silver. Overview. The BF15D3LHT is a long-shaft, tiller-controlled 15 HP outboard for boaters who want hands-on control but need the correct fit for a taller transom. The 20" shaft is a big deal for proper performance on long-transom fishing boats, utility skiffs, and certain inflatables with higher motor mounts-especially when the water gets rough and you want the prop staying loaded.. This model adds two features that make d