It generally starts with a partial blockage where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. Then will hardly idle for 10 seconds.
Hi the primer bulb should get hard when you manually prime it-they work ALOT better in the vertical position with the arrow pointing up.
Outboard motor primer bulb wont get hard. Primer ball wont get hard. Re the float needle post. If your floats are jammed down for some reason unlikely that all of them would be the float wil not lift as fuel enters the carb bowl therefore the float needle valve will not shut and fuel will continue to flow into the carb while you are pumping the fuel line bulb.
1972 Johnson Outboard Electric Shift Runs great for 30-45 mins. Then will hardly idle for 10 seconds. Starting out the fuel line primer bulb will not pump up tight but when it wont idle the primer b.
The bulb shouldnt stay hard it will become soft shortly after the motor starts but it should pump up and become hard when the motors not running. Bulb emptys and the motor stopsAir leak anti siphon valve stuck if it has one plugged pick up tube in the tank fuel pump not mounted correctly defective fuel pump possibly bad squeeze bulb. Primer bulbs do not work well if there is lots of air and no fuel.
I spent over one hour getting my new boat primed. You might try running the hose and bulb to a can of gas lots of things can go bad with can of gas be careful and see if the motor will fill and firm up the bulb. If the primer bulb airlocks and wont 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.
Then stick your finger on the hose barb. Discussion Starter 1 May 11 2009. On out last trip out I noticed that the gas primer ball on my 150 HP Yamaha 2-stroke did not get hard after many pumps.
It typically gets hard with gas after 6 or 8 pumps or so and lately I was doing 20 with no change. The motor still ran fine both days we used it last Thursday night and Friday since. Brought to you by Barnacle Bills Marine Supply.
Categories E-TEC 26 liter V-6 primer bulb will not get hard and motor stalls. Hi there I own a 150dpxsea and I just developed a problem. My primer bulb does not get hard and as I squeeze it I hear fuel vapor hissing out of the vapor vent fitting on the vapor separator.
Posted 06-11-2003 0829 PM ET US Yesterday while working on the boat in the driveway I noticed that the primer bulb was not hard so I squeezed it a few times to fill it with fuel. Then today after the boat had been sitting un-used for 24 hours again I felt the primer bulb and again I noticed that it was not hard. My fuel primer bulb wont get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings.
I replaced the bulb and it will not get hard. Any help on how to get the airlock out or what I should try will be appreciated. When the primer bulb isnt 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 theyve hardened and cracked they let in air which makes it impossible to draw the. My fuel primer bulb wont get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings.
I replaced the bulb and it will not get hard. Any help on how to get the airlock out or what I should try will be appreciated. Be sure the arrow is UP.
Troubleshooting Squeeze Bulb Lines. Once the main issues with squeeze bulbs are understood they are relatively easy to troubleshoot and fix. First check the bulb for aging loss of elasticity or cracking.
Then check for leaks in the hose connections including the fitting on the tank. 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 ballAlarm for as much as my pea brain knows on a 2 stroke is overtempya mighta picked up. One thing to check would be your primer ball.
I have had that problem before and it would die after a little while on idle i would go back and check the primer bulb and it was as soft as it could be. Pumped it up and it was good the rest of the day. It could be a slight crack or weathering in the bulb or the hose.
I would check that first then try some differnt fuel. This could be a number of things. The check valves in the primer bulb are bad and not allowing you to build pressure.
The inlet needle in the carbs is stuck open or you have a bad diaphragm in one of the fuel pumps. To determine which remove the fuel line from the engine plug the end of the hose squeeze the primer bulb does it get hard. Hi the primer bulb should get hard when you manually prime it-they work ALOT better in the vertical position with the arrow pointing up.
It will not stay hard while operating but if you can pump for that long then best replace the bulb with a genuine one-not a cheap aftermarket one-they. Primer bulbs arent 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. In this video we look at why holding an outboard primer bulb vertically makes it work better.
This is because gravity acts on the one-way ball valves helping. It generally starts with a partial blockage where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. But blockages dont cure themselves.
In a few days squeezing the primer bulb does less and less possibly getting to the point where there is no resistance in the bulb and it does not expand when released. In under two minutes you could learn how to solve the problem for good. This helpful YouTube video by Succstrat explains what might be affecting your ability to get going.
The way you have your primer bulb mounted could be your issueand even if it isntthis guys accent and deadpan delivery are worth watching. Dont give it viagra gust play with itcash tag evest668. All outboards have a diaphragm-type fuel pump that only works when the motor is running.
This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. Even if you have a high-pressure electric fuel pump on a fuel-injected powerhead the electric fuel pump is supplied with fuel by a. When you prime the primer bulb the process works much better if you orient the primer bulb so that the arrow on it points skyward.
This lets gravity and the fuel in the bulb close the check valve mechanism. In a few squeezes the mechanic had the primer bulb as hard as a. Check the Fuel Bulb and Lines.
Does the fuel bulb get hard when you pump it. If it doesnt disconnect the fuel line from the engine and pump the bulb. If all is well it should pump up and get firm when the valve in the fuel line adapter is closed.
Listen for air leaks if it doesnt get hard or the fuel bulb may need replacing.