And, in ada#39; dition to Honda, which has been offering four/stroke outboard propulsion for many years, now Mercury. Mariner, Evinrude, Johnson and Yamaha also have four/stroke models. ... Fabricated using OMCa#39;s alost foama process, individual parts are lighter, stronger, and have very tight tolerances. ... The new 115 and 90 feature the Evinrude/johnson FasTrack midsection with its special high performance pump and hydraulics which give the lower unit a wider tilt and trim range, anbsp;...