Pump Ball On Outboard Motor

Yamaha outboard suzuki df fuel pump 2000 2012 115hp 150hp 175hp efi 15600 96j01.

Pump ball on outboard motor. Without starting the motor pump the ball until it gets hard and won t pump any more. This is because gravity acts on the one way ball valves helping them to close. Primer ball doesnt really stay hard during normal running the only reason it gets hard when you pump is the fuel system in the motor is full the float comes up and seals the needle valve normal operational height of fuel in the carb is below max fuel level thus soft ball alarm for as much as my pea brain knows on a 2 stroke is overtemp. After you pump it up and the ball gets hard.

Save on outboard intake fuel systems trending price is based on prices over last 90 days. T shirts available at. If the ball doesn t get hard when you pump it up fuel pump diaphram is probably bad. Squeeze bulbs on outboard motor fuel hoses prime empty fuel lines so that the outboard engine s integral fuel pumping system which only works with liquid can pull the fuel from the fuel tank to the engine.

The outboard fuel pump has a sensitive diaphragm that receives a suction signal from a piston cylinder so the pump can deliver fuel. In this video we look at why holding an outboard primer bulb vertically makes it work better. V g parts boat engine fuel pump assembly for yamaha 2 stroke 25hp 90hp outboard motor replaces 6a0 24410 00 663 24410 00 692 24410 00 and sierra 18 7334 fuel pump 5 0 out of 5 stars 1 14 57 14. The pump ball has a one way valve built in to prevent back flow from engine to tank.

They are effective only up to a certain distance and height with respect to the fuel tank level because the. How to keep a prime on an outboard motor by will charpentier the primer bulb creates the initial flow of fuel between the inboard built in fuel tank and the carburetor in low pressure carbureted outboard motors or between the fuel tank and the vapor separation tank and the electric fuel pump on electronically fuel injected motors.