Home Engine Systems Engine Care Anodes Magnesium Anode – Yamaha (150-200 HP, F150 HP, 1986-06) Sierra International Magnesium Anode – Yamaha (150-200 HP, F150 HP, 1986-06) $35.09 1 in stock Magnesium Anode – Yamaha (150-200 HP, F150 HP, 1986-06) quantity Add to cart Product Details Product Details Magnesium. Fits: 150-200 HP and F150 HP (1986-06). Replaces: 6J9-45371-01-00.