Yamaha, 25/30/40HP 2-Stroke (1984-97), 25HP (1984-87), CV25 (1990), C25 (1990-97), 30HP (1984-86), CV30 (1989-90), C30 (1990-97), CV40 (1991), C40 (1991-97), , Mercury/Mariner, 20-40HP 2-Stroke, , 11 tooth, , Yamaha, 689-81800-11-00, 689-81800-12-00, 689-81800-13-00, , Mercury/Mariner, 50-84917M, 50-96359M, 50-97693M, , API Marine: MOT5000N, ARCO: 3420, Mallory: 9-15052, MES: S2071M, Sierra: 18-6410