Yamaha - Cartridge Outer Plate - 69M-G4323-00-00 - F2.5 Yamaha G Series Turbo Hotshot for Johnson - Evinrude Engines it can reduce water flow

it can reduce water flow and lead to overheating issues

Material: Durable aluminum construction built for lasting performance

and older sport boats

The materials hold up well to repeated loading and rolling

Yamaha - Cartridge Outer Plate - 69M-G4323-00-00 - F2.5 Yamaha G Series Turbo Hotshot for Johnson - Evinrude Engines it can reduce water flowYamaha Cartridge Outer Plate Water Pump Component F2. 5 69M G4323 00 00 Overview On smaller Yamaha outboards like the F2. 5, the cooling system is simple but critical. This cartridge outer plate is part of the water pump assembly, helping maintain proper water flow through the engine. It works alongside the impeller and housing to keep everything sealed and moving coolant efficiently. When it wears down or gets scored, you can lose pump efficiency,