Is primer bulb supposed to stay hard

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This video shows you how to install, repair or fix the primer or purge bulb properly and shows how the whole purge system works! The purpose of the purge bul... 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 rock, primed with fuel! Wear and Tear. One common reason for a primer bulb collapse is deterioration due to old age. The fuel the primer pulls into the combustion chamber is a volatile organic compound -- a solvent. Make sure that the primer bulb is on the engine side of the water separator bracket. Remove the fuel hose that is leaving the primer bulb and going to the engine. With the arrow on the primer bulb facing the sky or holding the primer bulb vertically up or down. (This is extremely important, DON’T hold the primer bulb horizontally.) 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 rock, primed with fuel! Jul 31, 2011 · We then noticed the primer bulb no longer stayed hard so we replaced the fuel filter/bulb. After this the bulb seemed to stay hard. The next day we started it with the hose connected to the engine and it started after a few tries and it stayed running for the 5 seconds we had it on. May 18, 2013 · This could be due to a crack in the fuel lines, the primer bulb, a missing or damage gasket, etc. I would suggest that you start at the fuel tank and work your way to the carburetor. Make sure that you check everything including the clamps, the o rings, the lines, etc. Jul 16, 2006 · 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. after running some new ... Jun 14, 2013 · This applies to primer bulb on the carb, or stand alone primer bulb. If you have been running a unit that either has the fuel filter broken off the fuel line, or you have the lines backward and are sucking fuel through an un-filtered fuel line, then you have the potential to clog the screen filter in the carburetor. Sep 08, 2011 · The primer bulb is suppose to fill the carburetor with fuel by sucking it through it through the fuel line (the one with the filter on it). The other line is just to pump the fuel back into the tank. Check this web site and look at the illustrations. One shows the primer bulb pushed and the red is fuel, the blue air. Sep 08, 2011 · The primer bulb is suppose to fill the carburetor with fuel by sucking it through it through the fuel line (the one with the filter on it). The other line is just to pump the fuel back into the tank. Check this web site and look at the illustrations. One shows the primer bulb pushed and the red is fuel, the blue air. Primer Basics. The primer on your machine is one of two types: push bulb or automatic. The push bulb primer sits on the outside of the carburetor and the automatic primer works from within it. May 29, 2011 · The last bulb bled off in app.3 hrs. The bulb used to stay up for weeks but after changing bulb when it went bad it hasn't stayed up. Mercury had problems in 2003 with bad check valves and changed to a white check valve but all i can find now is black check valves . Jun 19, 2012 · My fuel primer bulb won't 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. Jun 01, 2017 · The motor will start, and WILL stay running when I put the primer knob in the manual position, and squeeze the bulb to prime. I know this is not the correct position for running (too rich), and it is only for starting your boat if your battery dies. I have replaced the fuel pump, replaced all the fuel lines, and have rebuilt the carb. Still no ... May 18, 2011 · I pumped the primer bulb 10 times. The towel had no gas on it. So I figured the primer must be bad. I looked carefully at the bulb and it looks just fine. I removed the retaining ring, the bulb, the plastic thingy with the small O-ring and the spring. The bulb doesn't leak and is springy, not brittle. The primer isn't a primer at all, it is an air purge for the carburetor system. Yes, the little white thing hanging out in space is a tank vent - supposed to let air in, and not out. The primer bulb can’t suck it up without removing it. 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 ... Oct 19, 2013 · The persistent issue is that when it starts, it won't hold a low idle, nor will it stay running unless the primer bulb is pushed continuously. When pushed, the fuel will run the motor until the amount of fuel in the carburetor wanes, then if left alone, it will die out. Oct 19, 2013 · The persistent issue is that when it starts, it won't hold a low idle, nor will it stay running unless the primer bulb is pushed continuously. When pushed, the fuel will run the motor until the amount of fuel in the carburetor wanes, then if left alone, it will die out. Agreed, the primer bulb is not supposed to stay firm. In my opinion, it should never really get rock hard to begin with. If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. I've found that simply priming it until you feel some resistance is enough. Wear and Tear. One common reason for a primer bulb collapse is deterioration due to old age. The fuel the primer pulls into the combustion chamber is a volatile organic compound -- a solvent. Agreed, the primer bulb is not supposed to stay firm. In my opinion, it should never really get rock hard to begin with. If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. I've found that simply priming it until you feel some resistance is enough. May 18, 2011 · I pumped the primer bulb 10 times. The towel had no gas on it. So I figured the primer must be bad. I looked carefully at the bulb and it looks just fine. I removed the retaining ring, the bulb, the plastic thingy with the small O-ring and the spring. The bulb doesn't leak and is springy, not brittle. I have a question concerning the boat mounted oil tank and primer bulb?I hadnt had my rig out for about a month,150 HO.So before I left the house I squeezed the oil primer bulb about 4 or 5 times to make sure it was still hard.It was hard all 4 squeezes.When I got to the lake I noticed about a half an ounce of xd 100 in the top bilge area of my ... Jun 19, 2012 · My fuel primer bulb won't 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. Little Elm, Texas. The last 3 trips I went out I'd prime the bulb, and it would get hard as a rock as normal, and the motor would crank right up...I'd go out, and fish the humps for a couple of hours, and get ready to come in the motor was taking longer, and, becoming harder to start, but would start up after 3-4 trys, which normally cranks right over. Agreed, the primer bulb is not supposed to stay firm. In my opinion, it should never really get rock hard to begin with. If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. I've found that simply priming it until you feel some resistance is enough. Sep 08, 2011 · The primer bulb is suppose to fill the carburetor with fuel by sucking it through it through the fuel line (the one with the filter on it). The other line is just to pump the fuel back into the tank. Check this web site and look at the illustrations. One shows the primer bulb pushed and the red is fuel, the blue air.