Water Pump Impeller Repair Kit – Fits Yamaha 2-Stroke 40, 50 HP & 4-Stroke 40, 50, 60 HP (Replaces 63D-W0078-01-00, Sierra 18-3434) family-yamaha-3sf Note its orientation before removal

Note its orientation before removal

a clogged fuel filter is a likely cause

stopping water from entering your engine through the exhaust system when the boat is at rest or during wave action

then shut off and check the oil level with the dipstick

enabling faster planing at lower speeds

Water Pump Impeller Repair Kit – Fits Yamaha 2-Stroke 40, 50 HP & 4-Stroke 40, 50, 60 HP (Replaces 63D-W0078-01-00, Sierra 18-3434) family-yamaha-3sf Note its orientation before removalWater Pump Impeller Repair Kit Fits Yamaha 2 Stroke & 4 Stroke Engines This water pump impeller repair kit provides all the necessary components for servicing and rebuilding the water pump on a wide range of Yamaha outboards. It is designed to restore the performance and reliability of your engine's cooling system. This kit is a direct replacement for Yamaha outboards, fitting specific 2 Stroke 40 and 50 HP models (19952005) and 4 Stroke 40, 50, and