Yamaha - Flange, water pump - YF1-58527-35-23 Mercury/Mariner Outboard Water Pump Impellers Repair Kits this small piece might be

this small piece might be the reason

Molded from marine grade vinyl with an inflation valve to adjust firmness

The coil seats securely

or prepping for storage

Q: Why is the VST filter important

Yamaha - Flange, water pump - YF1-58527-35-23 Mercury/Mariner Outboard Water Pump Impellers Repair Kits this small piece might beYamaha Water Pump Flange Cooling System Component YF1 58527 35 23 Overview When youre working on Yamaha cooling systems, its usually the smaller mounting and sealing parts that end up causing problems if theyre worn. Ive seen water pumps lose efficiency just because a flange wasnt holding everything tight and aligned. The Yamaha Water Pump Flange YF1 58527 35 23 helps secure the pump assembly so water moves the way it should. Its one of those parts