Outboard Motor Primer Bulb Goes Flat

When the bulb goes flat just crack open the gas cap if the bulb inflates then you have a blocked fuel tank vent line.

Outboard motor primer bulb goes flat. The primer bulb can t suck it up without removing it. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is. Still it continues to go flat when we get it going top speed. Motor runs fine and never starves for gas but if motor is off.

The primer bulb on my boat goes flat. Disconnect the fuel line from the engine side of the bulb. We did notice the primer bulb going flat but it never stalled. We have blown out the pickup.

Gas primer bulb keeps going flat if motor doesn t run. Ok wot she starves for fuel looses power bulb goes soft flat. Gas primer bulb going flat. We have run a test by bypassing the fuel seperator.

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. We have changed fuel lines. With the arrow pointing to the side where you pulled the hose off. We have changed to a top quality primer bulb.

This is because gravity acts on the one way ball valves helping. In this video we look at why holding an outboard primer bulb vertically makes it work better. Xtremeamazing 3 8 inch 10mm fuel hose line assembly with bulb type hand primer petrol diesel pump hose clamps for marine outboard boat motor rv 6ft 4 3 out of 5 stars 9 13 99 13. We have changed the filter on the fuel sperator.

Outboard motors topic. In the process the fuel line and primer from the hull fitting to the engine was old and the rubber degrading so i replaced it with a new 3 8 s fuel line and primer bulb. If the primer bulb airlocks and won t seem to get any fuel.