Remove the sterndrive unit according to manufacturer guidelines to access the transom assembly
1L 4-Stroke Up to 1992 835908
Avoid using petroleum-based products
Brand Part Number Mercury / Mariner 8M0117413 Mercury / Mariner 8M0168892 Sierra 18-3640 OMAX 8M0117413
Water Pump Impeller Repair Kit – Fits Yamaha 60-90 HP (Replaces 692-W0078-02-00, 18-3371) F40 Remove the sterndrive unit accordingProduct Details This Water Pump Impeller Repair Kit is designed for Yamaha 2 Stroke outboard engines from 60 to 90 HP, covering models from 1984 to 2009 including the C75, P75, E75, C80, C85, CV85, B90, and C90 series. It provides all necessary components for a complete overhaul of your engine's water pump unit to restore cooling performance. It serves as a direct interchange for Yamaha part numbers 692 W0078 02 00, 692 W0078 00 00, 692 W0078 A0 00,