Honda BF20D3SHT Outboard - 15" Shaft Electric Start Power Tilt Tiller Silver. Overview. The BF20D3SHT is a short-shaft 20 HP outboard that blends hands-on tiller control with convenience features usually reserved for larger engines. Built for boats with a 15" transom, this model is a strong match for jon boats, skiffs, and inflatables that benefit from extra power but still favor simple, open layouts.. Electric start takes the strain out of repeated starts, while power tilt makes trimming for sh