Slide the new key into the driveshaft keyway and install the new impeller
This mechanical Fuel Pump – Fits Yamaha 25-90HP 2-Stroke Outboard Motors is engineered for a wide range of Yamaha 25HP to 90HP 2-stroke outboard motors manufactured between 1995 and 2015
shut off the engine and close the raw water intake seacock
refill the gear lubricant
Brand Part Number Yamaha 67F-W0078-00-00 Yamaha 67F-W0078-01-00 Sierra 18-3409 Sierra 18-3451 Mallory 9-48608 Red Rhino YA-WP-06
Water Pump Impeller Kit – Fits Yamaha 40-60 HP (Replaces 63D-W0078-01-00) 133HP Slide the new key intoProduct Details This Water Pump Impeller Kit provides a complete solution for servicing the cooling system on Yamaha 4060 HP outboards (1997current), including F40, F50, and F60 models. It is engineered for a direct, drop in fit to restore your engine's cooling performance and reliability. It serves as a direct interchange for Yamaha part numbers 63D W0078 01 63D W0078 01 00, Sierra 18 3415 18 3434, GLM 12276, and AM63D W0078 01. Installation: