4-Blade, stainless steel impeller with progressive pitch. Delivers excellent thrust and overall performance for the Mercury SportJet model jet drive. Fits various model 184mm diameter V6 engines: M2 Jet, 200HP, 210HP, 240HP and 250HP.
Three position off-on-on. First on position energizes one circuit. In second on position both circuits are energized. Mounting stem 1-1/4" long. 3/8" dia. Brass hex back-up nut, chrome plated brass face nut and chrome plated knob. 25amp@ 6VDC, 15 amps @ 12VD(MP39570 has a plastic knob and 3 screw type terminals) (MP39590 has a brass knob and 3-male 1/4" blade terminals)