Sierra 18-5194 Ignition Coil for Johnson/Evinrude OutboardsSierra replacement ignition coil for Johnson/Evinrude Outboards.Features: Primary Resistance: 98 megaohms ~ 105 megaohms; Secondary Resistance: 2.08 kiloohms ~ 3.1 kiloohms; Fits: 65 HP (1972-1973); 70 HP (1974-1975); 75 HP (1975); 85 HP (1973-1975); 115 HP (1973-1975); 135 HP (1973-1975); Interchangeable With: CDI; 183-4632; GLM; 72050; Johnson/Evinrude Outboard; 0502890; 0581032; 0582160; 0584632; 580821; Mallory; 9-23105; Mercury Marine; 802373;