If the cylinder has a leak the pump pulse signal will not be strong enough to send the proper amount of fuel to the cylinder.
Installing electric fuel pump on outboard.
The process of mounting and installing a fuel pump in a boat is so straightforward as to be pedestrian.
The outboard fuel pump has a sensitive diaphragm that receives a suction signal from a piston cylinder so the pump can deliver fuel.
The method for removing the fuel lines from the pump may vary according to the pump configuration or.
Never just put an electric pump inline and expect the engine to suck fuel through it after priming.
Related how to change a fuel filter on a brp 90 hp outboard.
There are similarities in the installation of each as well as differences.
When you change the fuel pump on a yamaha outboard you re making a straightforward swap an old pump for a new one.
By will charpentier.
The omc electric primers were an accessory that used a bypass plumbing system with check valves so as not to affect the normal flow of gasoline from the fuel tank to the motor.