Why does my primer bulb not work?

Why does my primer bulb not work?

Possible Problems. When the primer bulb isn’t working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. The same goes for fuel lines. When they’ve hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly.

Should outboard fuel primer bulb stay hard?

Primer bulbs aren’t meant to stay “hard” , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard.

How do I know if my fuel primer bulb is bad?

Either the engine randomly runs out of fuel and dies. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going.

How do you prime an outboard motor?

If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. Simply turn the key to the “run” position and wait. You’ll hear a beep, followed by the sound of the fuel pump running.

How many times should you squeeze a primer bulb?

Long Term. Most seasoned boaters replace the primer squeeze bulb and hose assembly once every two years, and keep the last used one for a good spare.

How do I get primer off my outboard?

Disconnect the fuel line from the engine side of the bulb. With the arrow pointing to the side where you pulled the hose off. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Then, stick your finger on the hose barb.

What to do when primer bulb wont work?

If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. With the arrow pointing to the side where you pulled the hose off. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed.

Why does my outboard engine lose fuel Prime?

Outboard engines lose fuel prime because of an air leak in the fuel system. Somewhere between the engine and the fuel tank. Here are the best and quickest ways to troubleshoot and resolve this issue! What Are The Symptoms of An Air Leak?