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. If the filter is empty, your problem is in the line. We mainly focus on outboards and outboard boats. link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. In this light, a new fuel hose is very likely to have the bulb very close to the tank connection. No. … ADD SPACE ... Gas primer bulb keeps going flat if motor doesn't run. Empty squeeze bulbs rely solely on their own elasticity and complete integrity of their two check valves to pump air until fuel fills the bulb and hose. I thought I had a plan on where I wanted my primer bulb, but I think it won't be easily accessible. 15 reviews. Once done, be … Disconnect the fuel line from the engine side of the bulb. Outboard engines lose fuel prime because of an air leak in the fuel system. Let it run for a little while and carefully watch the fuel passing through the clear hose. Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Re: Primer ball won't get hard. 4.4 out of 5 stars 287. There is good reason to install the primer bulb close to the outboard. Outboard Fuel Primer Bulb Premium 8-10mm . These were used on the following years and HP motors: 9.9 hp 1988 thru 1998 ; 15 hp 1988 - 1998 The other line is just to pump the fuel back into the tank. In order to start the engine the fuel line has to be primed, and this is the purpose of the primer bulb. They are effective only up to a certain distance and height with respect to the fuel tank level because the displacement and elasticity of the bulb is limited. Fuel Primer Bulb Collapsing Discussion in ' Boats, Motors, Trailers and Towing Rigs Forum ' started by Finished Business , Jun 17, 2013. It took about 50 squeezes on the bulb to get the fuel line filled thru to … When you go to start the engine, it simply clicks. Outboard Motors > Topic: Gas primer bulb going flat! As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. But if you let the engine sit overnight, you have to prime it in the morning. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will suck it up.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-1','ezslot_16',110,'0','0'])); Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. I've absolutely had this problem and solved it by replacing the primer bulb. Therefore, the bulb must be squeezed repeatedly until the entire fuel hose is full of liquid fuel again. One of the most common causes of flooded outboard motors is improper use of choke. If the inside separates from the exterior when the fuel pump kicks on or is running, it can suck the inside liner shut and the engine will run out of fuel. None of them meet the ABYC standard for this particular use/installation. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. Securely connect the fuel hose con- nector to the outboard motor page 5. When the day’s boating is over, most boaters disconnect the hose at the tank, and allow the engine to run itself out of fuel. Then, stick your finger on the hose barb. This primer threads into a pre-tapped hole at front of the motor. As a result, our EPA and CARB approved primer bulbs will not freeze until 0° Fahrenheit. One shows the primer bulb pushed and the red is fuel, the blue air. I dont know much about these mercs but maybe the diaghram, if it … I have a 2000 20' cobia CC with a 150hp Yamaha. If the primer bulb airlocks and won’t seem to get any fuel: Hint: If you pump and pump and pump and never get any fuel out. Now that you have located the leak, fix it! Pauline Gill is a retired teacher with more than 25 years of experience teaching English to high school students. 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. Tighten the clamp or zip tie, and move down the fuel line towards the fuel tank. Sup. Replace any crimp type clamps with screw-turn hose clamps. Any help on how to get the airlock out or what I should try will be appreciated. Retest and see if you have bubbles. Still … Continue pumping the primer bulb until you fill the engine with fuel and are able to start the engine up. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. We have run a test by bypassing the fuel seperator. Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Engine fuel filters are a different story. Pump the bulb to ensure fuel is flowing through the filter; replace or clean if it is not. Permanent Fuel Systems. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. OMC/Evinrude/Johnson 5/16" x 8 ft Fuel Hose Gas Line & Boat Primer Bulb B766489. I have a home lite saw that wont start ,got good spark ,checked primer bulb lines,have the blowing air line going to tank the other from primer bulb line am not sure if it goes to top fitting or the bottom. Also check that … A month ago 1/2 mile from our marina the boat stalled and I was not able to restart it. Get more answers from the people in your networks. Signs of a Bad Outboard Starter & How to Start the Engine. But the hoses themselves are just cheap! Could this be the sign of a bad outboard starter, and what should you do now? If you don’t see fuel moving, remove the exit hose from the filter and put a rag over the nipple. We will want to start our troubleshooting process by obtaining a small say 1-foot long clear hose and a coupling hose barb, that is the same size diameter as your fuel line. My primer bulb has always "gone flat" shortly after start and a little use. You got the boat packed with your gear and your best friends. Check out our channel and get subscribed! 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. Why? Air is compressible and has its own spring rate that tends to minimize the capability of the bulb to pull on its expansion part of the cycle. In this video we look at why holding an outboard primer bulb vertically makes it work better. I replaced the bulb and it will not get hard. Your symptoms act like you have a choke issue since the primer bulb did not solve your problem so I was trying to help solve the problem. So what do you do, you ask? Who would have known? Check for cracking or softening of hoses. Unless, that is, you have genuine use elsewhere for the outboard equipment - eg: a tender etc. There are really only a couple of symptoms for a leak in the fuel lines to the engine. 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. Hello. Either the engine randomly runs out of fuel and dies. Blower, lawn mower, weed eater, trimmer (What is an Outboard FSM or VST?). 54 (34) Moeller Scepter Topside Marine Fuel Tank (3.2-Gallon) … The primer bulb is the weakest part of the line, being thin walled and flexable. Satisfied Customers: 11,505. Looking for busted or missing hose clamps, broken primer bulbs, or miscellaneous splices that have been put in the fuel line.eval(ez_write_tag([[336,280],'bornagainboating_com-medrectangle-4','ezslot_5',107,'0','0'])); Extensions in fuel lines, to save old fuel hoses, create weak spots. Insert the clear hose into the fuel line, prime up the engine, and start it up! This could be a number of things. Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses, causing the primer button not to fill. If the primer bulb is held horizontally. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. This is because of the check valves in the primer bulb. If there aren’t any bubbles, then go ahead and go back to the beginning where we started. The next thing I would look into is the ignition on your merc. 99. When the outboard is running normally, the engine’s fuel pumps create a slight vacuum in the fuel hose. On a new install it is possible that the water separating fuel filter is not filling - those filter elements need to be filled with fuel before they are spun on, then primed by pumping the primer bulbs so that fuel is drawn from the tank. Product #079-9018-0 Click or tap to zoom. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Watch. You will find it and then cut the end of the hose off and put a new clamp on, change out the fuel filter, the bracket, run some new fuel hose, and get back on the water!eval(ez_write_tag([[336,280],'bornagainboating_com-banner-1','ezslot_14',109,'0','0'])); Know that not all fuel lines are made equally! The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. Verified. Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. For every place that the hose is cut and connected to something, this is a location for a leak! Written by: James Young. I checked to make sure the bulb is pointing the right way and even flipped it around just to try it out. Check here for special coupons and promotions. 22 (31) CPWR-WS-240-33 Water Level Gauge KUS USA CDN$49.54 CDN$ 49. But blockages don’t cure themselves. Meanwhile, encouraging you to take care of and enjoy working on your boat! We have been working in the marine industry for over a decade and will do what we can to help you enjoy more time on the water on your boat! Checked compartment for leaks and everthing looks good...not even an odor of gas, so a gas leak is out! 2-Strokes on the other hand, that is a different story! big in grease here,after reading all these primer bulb comments am a little confused. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. Whether that was the issue, I don't know but the symptoms did appear fuel line related. Get Your Own Born Again Boating Apparel! Somewhere between the engine and the fuel tank.eval(ez_write_tag([[728,90],'bornagainboating_com-box-3','ezslot_13',105,'0','0'])); Here are the best and quickest ways to troubleshoot and resolve this issue! Atmospheric pressure in the tank through the vent pushes the fuel from the tank to the engine. Get rid of carbon and keep it out. This sale is for fuel primer bulb found on the front of the motor (not the one located on the fuel hose coming from the tank). Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Racor makes an approved primer attachment for the 500 series filters. M. Marshall New Member. $55.50. Squeeze bulbs tend to be far more forgiving of minute leaks in the hose with liquid flowing through them, than they are of tiny leaks on the suction side when the hose is empty. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. Visually inspect filter to ensure all air has been purged. just remember, below 1200 RPM the lift pump, the pone that FILLS the VST runs 10 seconds on and 20 seconds off. 06-17-2012, 05:02 PM. After getting the boat back on the trailer I tried again but could not start the engine so I call a mechanic who looked at the boat and said it was the fuel pump/vaporizer unit ($900.00). This is factory fresh inventory, not old dry-rotted stock. Check out an article we wrote on the steps you need to take to fix it! Joined Oct 7, 2013 Location Atlanta GA USA. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Most of the time because of the carburetors design, the fuel can siphon bank into the tank and you will have to prime it up before every cold or next day start. 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. $36.99 $ 36. A blocked outboard fuel line prevents fuel from getting to the motor. TIHOOD Fuel Line Assembly, 5/16" Hose Line Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb Steel Hose Clamps 6FT (5/16"-Rubber) 4.1 out of 5 stars 245 $13.98 $ 13 . Be sure the arrow is UP. The difference in results is amazing, and just by changing the orientation of the primer to vertical, its operation is much improved. That is unless it is a pretty bad leak! 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. RWB4675 . If it is translucent, look closely while pumping the primer bulb. We are here to help you learn more about your boat, how it works, and how to take care of it for many years of enjoyment out on the water! So, if you notice the primer bulb is sucking flat, you’ve got a restriction somewhere between the bulb and the fuel tank … If loss of power or hard starting are found to be caused by excessive water or sediment accumulation in the fuel filter, inspect the fuel tank. Be … my primer bulb was just installed a few squeezes it be! > topic: gas primer bulb close to the outboard motor page 5 changed to a top quality primer are. 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Leaks can outboard primer bulb not filling the bulb with enough slack in the fuel hose gas line & boat primer going! Then check for leaks in the hose clamp back up Assy 8mm 5/16 '' x 8 ft fuel hose.! Through, but I think it wo n't be easily accessible pesky check included... Kinds of running issues and get to 3500 rpm, my outboard primer bulb not filling 300 loses.!

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