Water Pump repair kit for 25 HP 30HP Yamaha Outboard Sierra 18-3432 61N-W0078-11

Water Pump Repair Kit for Yamaha

This water pump repair kit for Yamaha 25 HP and 30 HP outboards restores cooling water flow and prevents overheating, serving as a direct replacement for Sierra 18-3432 and OEM 61N-W0078-11.

Overview

This water pump repair kit for Yamaha 25 HP and 30 HP outboards keeps the cooling system in top condition by replacing worn impeller and seal components. Designed to match OEM 61N-W0078-11 and the cross-reference for Sierra 18-3432, this water pump repair kit delivers a dependable fit for routine outboard maintenance. Whether servicing a fishing motor or a runabout, the kit supports reliable water flow for Yamaha outboards.

Built For Performance

• Replaces worn impeller, gaskets, and seals to restore cooling system pressure
• Engineered for Yamaha 25 HP and 30 HP outboard cooling systems
• Direct cross-match to OEM 61N-W0078-11 and aftermarket reference 18-3432
• Includes multiple sealing components for a complete water pump service

Fits These Machines

• for Yamaha 25 HP outboard
• for Yamaha 30 HP outboard

On-The-Job Use

• During annual outboard water pump service
• When the tell-tale stream becomes weak or the engine overheats
• After running in sandy, silty, or muddy water
• Before a long fishing or cruising season

Specs At A Glance

Good To Know

Q: How often should the water pump repair kit be replaced? A: Replace it if the engine overheats or shows a weak tell-tale stream. Many owners service the water pump every one to two seasons.

Q: Does this kit include everything needed for the job? A: It includes the core water pump repair components for this Yamaha outboard range. Check the exploded diagram for your exact model to confirm all pieces.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.