Check fitment before purchasing. Works on some Force Outboards - 75, 90 & 120. Mariner Outboards - 2.5, 30, 40, 45, 50, 55, 60, 75, 80, 85, 90, 100, 115, 125, 135, 140, 150, 175, 200, 225, 250, 275 & 300. Mercruiser Sterndrive - 120, 140, 165, 228, 250, 485, 898, Alpha, Alpha SS, TRS, Bravo Two, MC1, MC3, SSM2, SSM3, SSM4 & SSM5. Mercury Outboards - 30, 40, 45, 50, 55, 60, 70, 75, 80, 85, 90, 100, 115, 125, 135, 140, 150, 175, 200, 225, 250, 275 & 300. Mercury Race Outboards - 3.0L, 150, 200 & 300. Sea Ray - 100 & 175.