Replaced OEM: Mercrury: 50-8M6007415, 50-96359M, 50-97693M, 84917M, 96359M, 97693M Yamaha: 689-81800-10, 689-81800-12, 689-81800-13, 689-81800-13-00, 689-81800-1300, 6898180010, 6898180011, 6898180012, 689818001818001300 11 teeth.
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