Yamaha - Water Pump Housing - 6L5-44311-00-00 - Engine Model 3 Mercury-50HP-EFI-2009 Begins breaking up stains on

Begins breaking up stains on contact

Even wall thickness for maximum thickness

7mm) diameter that shrinks to 5/32"(4mm)

A: Make sure the existing housing and wiring are in good shape

Yamaha - Water Pump Housing - 6L5-44311-00-00 - Engine Model 3 Mercury-50HP-EFI-2009 Begins breaking up stains onYamaha Water Pump Housing Cooling System Component 6L5 44311 00 00 Overview On these smaller two stroke Yamahas, the cooling system is simple, but everything has to be in good shape for it to work right. Ive seen plenty of weak water flow issues come down to a worn or scored housing, even with a new impeller installed. This is the piece that keeps the pump sealed and working efficiently. If youre already in there servicing the pump, its one of those