Yamaha - Check valve kit - 7DH-R4104-00-00 Mercury-40HP-EFI-2005 It uses tiller steering

It uses tiller steering

and deliver dependable performance tested in real-world conditions

Made with tough synthetic strips

You won’t be wrestling with questionable dimensions or worrying about whether it’ll hold the correct temperature

Engineered to the same standards as the original Mercury Marine part

Yamaha - Check valve kit - 7DH-R4104-00-00 Mercury-40HP-EFI-2005 It uses tiller steeringYamaha Check Valve Kit Fuel System Control Component 7DH R4104 00 00 Overview Check valves are one of those parts you dont think about until fuel starts draining back or the engine takes longer to start. Ive run into plenty of cases where a weak or stuck valve caused inconsistent fuel delivery without any obvious leaks. This kit helps keep fuel moving in the right direction and holds pressure where it should be. When its working right, starts are