Outboard Primer Bulb Not Staying Hard

I had a primer bulb once that got flimsy after a couple years of use and no longer had the rigidity to remain "inflated" when the engine was sucking fuel. But blockages don’t cure themselves. the rpms pick up instantly when the bulb is pumped i can fairly confindently say that isnt coincidence as it happened 30+ times over the course of a week and about 50 -75 miles of running. Some Walbro carburetors do not have the manual pumper and must rely upon an external manual pumper to prime the carburetor. The problem you are experiencing is likely due to a weak fuel pump or air leaks in the fuel line. SIM Yamaha also sells Yamaha outboards at discounted prices. Find many great new & used options and get the best deals for 4 Stroke 1. Engine starts immediately but stalls after a few seconds. Another fuel hose brings any unused fuel back into the tank. Installation of the squeeze bulb primer is very simple, the hardest part is finding a place to locate the bulb. If the ball doesn't get hard when you pump it up, fuel. Also, the significantly higher pressure of an EFI fuel pump causes the bulb to "flatten out", starving the motor of fuel. So it sounds like you have a bad fuel pump. The trailer hitch and trailer parts experts. started it up and it ran perfect better than it has in years full throttle to idle then after about 5 minutes it stalled out and would not start back up until I pumped the primer once then it ran for about 4 minutes did the same thing. It's job is not to pump gas but to purge the system of air. If the light should stay on, refer to Features and Controls ‑ Warning System. Another thing I know has worked for me, try cranking it over and as you do raise the throttle. For Lawn Mower parts and accessories, think Jack’s!. Mercury 75hp Outboard Question I've absolutely had this problem and solved it by replacing the primer bulb. Find outboard engine specs, special financing, accessories, and Honda Outboard Motor dealers near you. Equip cars, trucks & SUVs with Boat Primer Bulb from AutoZone. last year because the bulb wasn't staying hard. Top of Page. Do not start engine until the water is turned on (saves the water pump from running dry). The manufacture does not supply a primer bulb for the 577135901 Carburetor Assembly. Basic troubleshooting for YAMAHA outboard motors (part I) A problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. Buy and sell online at TradeMe. Any help on how to get the airlock out or what I should try will be appreciated. Trade Me is New Zealand's leading shopping website, with thousands of online auctions and classifieds. Idles fine in the driveway but as soon as it’s immersed in water it dies out. Buy OEM marine parts, PWC parts, and new and used boats direct from a dealer. Find many great new & used options and get the best deals for 4 Stroke 1. Hard Starting: These motors can be hard to start unless the choke is staying fully closed while starting. Since it is formulated with skin-loving ingredients, IT is not known to clog pores, and can be used on acne-prone skin. If it feels squishy and the engine can "suck" the bulb flat, it's toast — replace it. Shop Evinrude, Honda, Mercury, Nissan, Suzuki, Tohatsu and Yamaha parts. my outboard motor runs then stops. The trailer hitch and trailer parts experts. The UV lamp is housed in a chamber which is protected from the water by a hard quartz sleeve; as the water passes through the chamber, at a specific flow rate, up to 99% of contaminants are eliminated. also do not lose little piece of wire on rear bow with "J" hooks on each end. The primer bulb has a sizable crack in it but I'm still able to make it prime but it won't run. This will help in locating the parts on the product. Last season I overhauled the fuel lines on my 1987 Whaler. 2x Yamaha 40hp outboard motors, 3 cylinders, 2 stroke, non trim & tilt, long shaft, auto lube, very good working condition. Primer bulb not working that have primer bulbs, but when I press them it is not pumping any fuel from the tank to the carb. A visual inspection of the fuel system may reveal a kinked hose or a fuel-selector valve not fully open. Then all you need to do is give it gas 3 or three times. So, your outboard won't start. If the ball doesn't get hard when you pump it up, fuel. This water-vapor-tight primer has excellent adhesion properties and prevents corrosion on steel and against osmosis on GRP surfaces (at least 5 coats required). Another thing I know has worked for me, try cranking it over and as you do raise the throttle. We are the world's largest supplier of vintage soda / coke machine parts. A little TLC and preventive boat engine maintenance facilitates safe boating and can keep your engine running well and reliable for years to come. sucking air, restriction, or pump not coming on when it should. Primer Bulb Engine & Repair Troubleshooting. SIM YAMAHA is your dependable, affordable, knowledgeable, authorized USA Yamaha marine outboard motor and YAMAHA OEM outboard motor parts, Yamalube oil and accessories dealer for two-stroke, four-stroke and jet pump motors. last year because the bulb wasn't staying hard. Figure Two shows the WA229 carburetor from a leaf blower. Alarm for as much as my pea brain knows on a 2 stroke is overtempya mighta picked up some weeds ,plastic,in your intake for cooling if it only did it that once sometimes if you over trim motor trying to get that. routine is backed in water pump the bulb til hard. The carburetor has a orange fuel pump bladder in the back of the carburetor that will split if you pump the bulb too hard. FREE 2-Day Shipping Electronics & Office Movies, Music & Books Home, Furniture & Appliances Home Improvement & Patio Clothing, Shoes & Accessories Baby Toys, Games, and Video Games Food, Household & Pets Pharmacy, Health & Beauty Sports, Fitness & Outdoors Auto, Tires & Industrial Photo & Personalized Shop See All Departments. Start engine and let it run in neutral for 10 to 20 minutes. Why will my Evinrude Engine boat engine will not stay running? I bought a boat and when we took it for a test drive the motor would not stay running unless the primer bulb was continuously pumped and then after the engine was started for a few minutes we were able to drive it and everything seemed fine. If it doesn't, check for leaks in the line, the tank or filter, the engine, and a bad valve within the bulb. Connect the fuel tank line to the motor. The outboard tilt support lever is not intended to support the outboard for trailering. SOURCE: primer bulb only holds suction, wont move fuel thru line. Position yourself so you are straddling the seat nearest the motor. I also had the same problem with the 120 Force. With Boris Johnson taking the clear lead in early opinion polls, there have been predictions of electoral doom for Corbyn’s Labour. If it sits for an hour or more then it won't start unless I squeeze the primer bulb a few times. If pressing the primer bulb results in a blast of air out of the hole, it's probably fine. You may have to register before you can post: click the register link above to proceed. Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. 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. Also, check all linkages to ensure that there are no cracked plastic linkage ends that are preventing the throttle and/or timing from achieving full movement. Another fuel hose brings any unused fuel back into the tank. Get Yours Today! We know our parts and products. So, your outboard won't start. It is neither inferred nor implied that any item sold by CARiD. Reprime bulb and fires right up again and stalls after a few seconds. Shop Mercury Outboard Fuel Lines & Fittings at Wholesale Marine. I bought a brand new 05 16' tracker this last year w/ a 50 hp merc on it. Sierra Premium Primer Bulb, EPA/CARB Complaint. Do not use bulbs rated higher than 250W. Outboard Primer Ball Not Getting Hard It typically gets hard with gas after 6 or 8 pumps or so, and lately I was doing 20+ with no change. Some Walbro carburetors do not have the manual pumper and must rely upon an external manual pumper to prime the carburetor. The UV lamp is housed in a chamber which is protected from the water by a hard quartz sleeve; as the water passes through the chamber, at a specific flow rate, up to 99% of contaminants are eliminated. To prevent. ? motor is a Johnson 9. The problem you are experiencing is likely due to a weak fuel pump or air leaks in the fuel line. Therefore possibly changing to the aftermarket Boyeson reeds would be a benefit, however I have not done that on my motors. 9 & 15 hp outboards 1974 - 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time & or possibly will not start. Check the tank vent to make sure it aspirates properly. One possible cause of an engine cut-off is a collapsed primer bulb. Hi guys!Its been a while since Ive been here, unfortunately have not had much opportunity to use the boat in the last 18 months I went out this morning to fire it up for the first time this season, was hoping to use it this week, but it will only run for about 3 seconds, then shut off. I also checked to make sure the tygon lines weren't crimped shut in the rubber tank grommet. We recommend upgrading. These manufacturers started using cheaper hoses. A visual inspection of the fuel system may reveal a kinked hose or a fuel-selector valve not fully open. When transitions were not found, evolutionists proposed punctuated equilibrium (b), where the transitional forms existed briefly, and were not fossilized. air or having been poked too hard. Buy the Bass Pro Shops EPA-Approved Fuel Line Assemblies for Outboard Motors and more quality Fishing, Hunting and Outdoor gear at Bass Pro Shops. Also i run carbon guard by evinrude in my engine and test the gas for ethanol. The focus problem was not detected until after the leaf blower was reassembled. I'll cover the installation of a squeeze bulb primer in another article. PROBLEM: The engine is starved for fuel, and won't start. Page 73 OPERATION 1. Would only start if I gave it full throttle and would stall unless I throttled way up. By "holds suction" this means that you can depress the primer bulb and it remains in the "pressed" position and/or does not reinflate (for lack of a better term)? You need to determine if a blockage exists in either one of the fuel lines, or with the primer bulb itself. For Lawn Mower parts and accessories, think Jack’s!. It usually comprises of gaskets, reed valve/pump piece, diaphragm, needle valve, springs, primer bulb, etc. A blocked outboard fuel line prevents fuel from getting to the motor. Inside the bulb is a check valve that can fail and leave you stranded out on the water. To use my own 2012 model year outboard-powered boat as an example, I’m going into my fourth season with it, and just checked the externally exposed rubber fuel hose and primer bulb. Click here to enter the site. My 100 fires every time in that situation. Done to date: New spark plugs New fuel primer bulb New fuel pump New fuel filter. Traditional incandescent lightbulbs are gone—not banned, precisely, but phased out because the Energy Independence and Security Act. If you have this system you may or may not have fuel in the bulb. They cost about $5 or $6 each (get the one for 5/16 inch hose, that's virtually equivalent to the standard 7mm fuel line) and even with shipping it will be under $10. Ive checked. Is there a fuel filter anywhere in the hose/tank - check for air leaks at hoses/seals. It is a simple test. go and look for cracks in the bulb or around the hose, sounds like it could be sucking some air i am not an outboard mechanic or anything but i have had my share of fuel line problems. BF200A Outboard Motor pdf manual download. Make sure the fuel-line fittings seat properly and don’t leak. Ok so the bulb doesnt stay hard after youve been running it for a while. If you can see the fuel level in the filter bowl, it would be interesting to see if it is full, and if pumping the primer bulb does indeed fill. It will take some priming to fill it up, which may explain why you say the primer bulb does not go hard. I have a weed eater feather light that will not run. The primer is a small rubber button that injects air into the carburetor that then forces some fuel through the carburetor jet into the intake. Believe it or not, it was the fuel line. 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 cause more problems then they are worth. Another fuel hose brings any unused fuel back into the tank. I'll be checking fuel pressure next. Do not overlook primer bulbs, engine-mounted filters, cracked gas-tank pickup tubes, or quick-release fuel-connectors as problem areas. com FREE DELIVERY possible on eligible purchases. Quick-Start on carb engines - hard starting cold Make sure the throttle is at idle, do not advance it. Take the airbox cover off, tilt the motor up far as it will go and pump the primer bulb till. You turn the key, and the motor cranks and cranks but just won't run. Primer; Spark Plug; Engine Parts & Fuel +- Sign-up not successful. one thing to check would be your primer ball. Position the fuel line primer bulb so the arrow on the side of the bulb is pointing up. i would check that first then try some differnt fuel. All you need is an outboard motor primer bulb (they look like this) available at you local boat shop or online. 95% of starting problems are caused by the same group of things and don't require a mechanic. Check the tank vent to make sure it aspirates properly. I've got my 9. Begin by detaching the primer bulb fuel line from the engine. air will get into the fuel system and cause the engine not to run properly. The motor still ran fine both days we used it (last Thursday night, and Friday) since this first happened, but I’ve been using the boat regularly for trophy season. Simple outboard type priming bulbs are very efficient and mush easier to prime a filter than using any installed OEM priming pumps I have ever used. I bought a "new to me" 2012 Tracker Targa in 2016 with 65 hours on it. Exclusive outer layer is designed to prevent ballooning when under pressure. It is easy to flood the units. It seemed to work alot better but still have the problem. OUTBOARD WORKSHOP SERVICE MANUAL ALL MOTORS 2 TO 225 HP YEARS 1988 TO 2003 is propelled by an outboard motor, or motors, and does not have any of the first six conditions described at the. They can answer questions for any Mercury outboard motor model or horsepower including Chrysler Outboards, Force Outboards, Mariner Outboards, and Mercury Inboard/Sterndrives. (2) cleaned, polished, shined both Power Packs electrical contacts. Have you thought about cleaning your outboard motor? Here’s how to keep your boat engine clean and purring for as long as possible – saving you time, expense and a lot of hassle. If the primer bulb i. Verify that the stainless steel tang that holds the plastic choke lever in place is doing its job, after a while. The primer on your machine is one of two types: push bulb or automatic. Equip cars, trucks & SUVs with Boat Primer Bulb from AutoZone. also do not lose little piece of wire on rear bow with "J" hooks on each end. Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. 95% of starting problems are caused by the same group of things and don't require a mechanic. Engine not primed -- pump primer system. It would randomly collapse and had to be replaced. FREE 2-Day Shipping Electronics & Office Movies, Music & Books Home, Furniture & Appliances Home Improvement & Patio Clothing, Shoes & Accessories Baby Toys, Games, and Video Games Food, Household & Pets Pharmacy, Health & Beauty Sports, Fitness & Outdoors Auto, Tires & Industrial Photo & Personalized Shop See All Departments. Shop Mercury Outboard Fuel Lines & Fittings at Wholesale Marine. A blocked outboard fuel line prevents fuel from getting to the motor. 5 hp craftsmen 21" mulcher won't stay running. 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. On the intermittent occasions I was actually able to finally get it started at the dock, it would die after applied throttle continuously for approx 5 minutes. Yamaha 20hp 4-stroke outboard problems If this is your first visit, be sure to check out the FAQ by clicking the link above. Marineengineparts. Another thing I know has worked for me, try cranking it over and as you do raise the throttle. Not all of us can afford a new boat/outboard. Please excuse the focus problem. This wet bulb primer incorporates a check valve in the priming circuit that allows fuel to fill the bulb via the fuel supply but closes when the bulb is depressed. If this happens even at idle speeds, the primer bulb may not be working properly. i guess if the remote tank dont fix it i will throw in a new pump as the diaphragm isnt but like 20 bucks. That’s why we pledge a no-hassle shopping experience, which has earned us the highest customer satisfaction scores in our industry. There is a distinct possibility that if the internal O-Rings are worn AND/OR the plunger is not fully retracted, you may be getting a air leak into the fuel system. 193): thanks Wrenchin i didnt think of a remote tank and will try that. This will help in locating the parts on the product. Equip cars, trucks & SUVs with Boat Primer Bulb from AutoZone. 9 Mercury running great except for the initial start. A blocked outboard fuel line prevents fuel from getting to the motor. com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. Dress properly with a USGC-approved personal floatation device and protective gear. If your primer bulb is staying hard, try the cold start procedure. Is there a fuel filter anywhere in the hose/tank - check for air leaks at hoses/seals. Designed to replace air in the fuel lines and carburetor with gasoline when you depress the button. 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. All fuel lines are in their original position. If you are using a fuel tank with a primer bulb when you squeeze it, it must get firm, when motor is running squeeze bulb and notice if runs better. Basic troubleshooting for YAMAHA outboard motors (part I) A problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. Maybe also try priming the primer bulb while underway to see if this changes things. Position the fuel line primer bulb so the arrow on the side of the bulb is pointing up. Idles fine in the driveway but as soon as it's immersed in water it dies out. Get fast, Free Standard Shipping on orders over $99 from Summit Racing--no shipping, handling, or rural fees! Exclusions apply. That's not to say that she's perfect, though. All Honda outboard motor parts are on listed on this page. Bill Hirsch Chassis Black recommends using Zinc Chromate primer and from what I've read it may be a good choice to use as a primer on the inside too. Mercury 75hp Outboard Question I've absolutely had this problem and solved it by replacing the primer bulb. Also had one that would idle/run at low speed with the hose reversed - primer bulb required replacement and hose rotation in this case. cheaper primer bulbs and bargain fittings. 1 out of 5 stars 264. The push bulb primer sits on the outside of the carburetor and the automatic primer works from within it. Our distinctive character is not what you see, it's what you feel better acceleration, better fuel efficiency and better value. Original review: July 23, 2019. problem is that the origanal stay good for a long time. Shift outboard into neutral and check for a steady stream of water coming out of the water pump. The primer bulb can fail if the rubber breaks or the. The photos did not depict the forward stay line. Suzuki Marine is truly unique. Exclusive outer layer is designed to prevent ballooning when under pressure. Choke Control See Choke Linkage, Choke Control Cable. Carburetor float valves wear out, allowing fuel to leak into the cylinders, flooding the engine at low RPMs. I have a mid-1990's Mercury Mariner 25hp elec start outboard. Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. Another thing I know has worked for me, try cranking it over and as you do raise the throttle. Also had one that would idle/run at low speed with the hose reversed - primer bulb required replacement and hose rotation in this case. NOTE: If loss of power or hard starting is found to be caused by excessive water or sediment accumulated in the fuel filter, inspect the fuel tank. Bill Hirsch Chassis Black recommends using Zinc Chromate primer and from what I've read it may be a good choice to use as a primer on the inside too. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. These manufacturers started using cheaper hoses. It will take some priming to fill it up, which may explain why you say the primer bulb does not go hard. (Thats why the knob is off in the picture) I am not very familiar with this carburetor, so any information is appreciated. the rpms pick up instantly when the bulb is pumped i can fairly confindently say that isnt coincidence as it happened 30+ times over the course of a week and about 50 -75 miles of running. Begin by detaching the primer bulb fuel line from the engine. Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. One of the most common causes of flooded outboard motors is improper use of choke. That's not to say that she's perfect, though. go and look for cracks in the bulb or around the hose, sounds like it could be sucking some air i am not an outboard mechanic or anything but i have had my share of fuel line problems. All of the maintenance procedures described are critical to the life of your outboard. Unleaded gasoline burns cleaner, extends engine life and promotes good starting by reducing the build up of carbon deposits. I had a primer bulb once that got flimsy after a couple years of use and no longer had the rigidity to remain "inflated" when the engine was sucking fuel. SIM Yamaha carries Yamaha OEM discounted engine parts and Yamaha maintenance parts and accessories for Yamaha outboard motors. The primer bulb can fail if the rubber breaks or the. This is normal. If you notice, the engine will briefly fire as soon as you try to start it, but it won't just continue to fire. Inspected all fuel line connections, all appear to be OK outboards, not so. With Boris Johnson taking the clear lead in early opinion polls, there have been predictions of electoral doom for Corbyn’s Labour. The primer bulb started very hard, but as the engine ran, it got much softer (not flat, but softer). 95% of starting problems are caused by the same group of things and don't require a mechanic. last year because the bulb wasn't staying hard. Or you can buy a new fuel hose, connectors and bulb for around. Squeeze the fuel line primer bulb several times until it. STAY POSTED ON EVERYTHING FIVE OCEANS. Ask the experts on our Mercury Outboard Parts Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Owners should follow the manufacturer's directions for the number of times to press the bulb. The pedal assembly was made from scrap wood, a door hinge, wood dowels, and a foam rubber toy ball. The carburetor has a orange fuel pump bladder in the back of the carburetor that will split if you pump the bulb too hard. It would be interesting to see if, when you pump the primer bulb, the fuel filter bowl fills up. If your vent was not open then squeezing the ball would not keep the motor running if the fuel pump won't pull the gas then the suction from the ball would not be enough to pull it either. A fuel line restriction would not result in the symptoms you now describe, so never mind about the vacuum gauge tests. The red check valve assembly is towards the tank. Used outboard motors require just the right touch. crank on engine w/ partial throttle maybe 1/4 if even til she fires and is running good. (2) cleaned, polished, shined both Power Packs electrical contacts. 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. "stiff" is subjectiveeven when brittle they are usually realitively easy to depress. Ive checked. If you are still not sure after reading the compatibility list, take the old Primer Bulb you want to replace with you. For use with appropriate sized hoses (3/8", 5/16" or 1/4" Fuel Hose) Operating temperature 18F - 122F. Our distinctive character is not what you see, it's what you feel better acceleration, better fuel efficiency and better value. By Kevin Falvey. Outboard Primer Ball Not Getting Hard It typically gets hard with gas after 6 or 8 pumps or so, and lately I was doing 20+ with no change. Replacing the bulb requires a pair of pliers and a screwdriver, at most. By using our site, you consent to cookies. My 100 fires every time in that situation. Only 2 basic reasons for it to be hard to push, restriction in the primer body, or a kinked/restricted return line. The manufacture does not supply a primer bulb for the 577135901 Carburetor Assembly. Top of Page. Believe it or not, it was the fuel line. Start engine and let it run in neutral for 10 to 20 minutes. 5 hp mercury outboard motor Cleaning a carb is not hard. Page 73 OPERATION 1. I really have not been happy since then, until I discovered a secret that I am about to reveal to you. If the valve leaks or does not work, there will be reduced or no prime and a hard or no start condition. Put on a new primer bulb and hose and still the same thing. If you are using a fuel tank with a primer bulb when you squeeze it, it must get firm, when motor is running squeeze bulb and notice if runs better. Give it a good thorough looksy on all the fuel lines. With all that said I would like to use the Kleen-Strip to address the rust and treat the metal. seems you can manually fill it with the primer bulb. cheaper primer bulbs and bargain fittings. An EFI motor does not need to be "primed" therefor does not need the bulb. Too d*** hot here to be working on a motor, if it is too hot to fish it's too hot to work on a motor. You turn the key, and the motor cranks and cranks but just won't run. They are effective only up to a certain distance and height with respect to the fuel tank level because the. There are three lines out of the gas tank. IT is perfect for all skin types to pamper and prime your bare skin, or be paired with your favorite foundation for longer wear. 5 hp craftsmen 21" mulcher won't stay running. I have seen posts that you can purchase bulbs at the big box stores. Wait two seconds between each press. Common solutions for: Ariens Lawn mower is hard to start. I also checked to make sure the tygon lines weren't crimped shut in the rubber tank grommet. Also, check all linkages to ensure that there are no cracked plastic linkage ends that are preventing the throttle and/or timing from achieving full movement. Shop, read reviews, or ask questions about MERCURY MARINE Primer Bulb Assembly at the official West Marine online store. I bought an Ultra 21 LX open bow last year. If the carb floats/valves are leaking or you have a hose leak between the bulb and the carbs, you would see the fuel gushing out somewhere. The marine fuel lines and hoses in any boat's fuel system are key to ensure the safe operation and performance of the craft. All is as it should be. It usually comprises of gaskets, reed valve/pump piece, diaphragm, needle valve, springs, primer bulb, etc. Please Scroll down. 5 hp mercury outboard motor Cleaning a carb is not hard. That VRO sure does take the brunt of a lot of problems. Oil bulb at tank. It would be interesting to see if, when you pump the primer bulb, the fuel filter bowl fills up. Veteran Posts: 105 (75. Before ordering it is necessary to determine the proper cylinder and helm pump for your application. I also had the same problem with the 120 Force. Remove the nut from the negative post with a 5/16-inch box-end wrench. Simple outboard type priming bulbs are very efficient and mush easier to prime a filter than using any installed OEM priming pumps I have ever used. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. i use gravity feed and never a problem. com is a wholly owned subsidiary of Lighthouse Marine Distributors, Inc 2019. Buy OEM marine parts, PWC parts, and new and used boats direct from a dealer. I also learned this lesson the hard way when switching my old boat/motor from carb. You can pour, drain or siphon out (with a proper siphon bulb, not your mouth) most of the fuel if there is a significant amount remaining in the tank. It's job is not to pump gas but to purge the system of air. It would randomly collapse and had to be replaced. The carb has been cleaned also. Or you have a fuel leak somewhere. If this happens even at idle speeds, the primer bulb may not be working properly. It doesn't matter if the tank cap is off, or if the lines are off of the carb, fuel goes in but not out. Sierra Premium Primer Bulb, EPA/CARB Complaint. So I put the boat in the shop this morning. 4 Sizes-Tygon Fuel Filter Line Primer Bulb Kit For Poulan Weedeater Chainsaw. The squeeze bulb is typically a bulb made of orange or black rubber-like material that is squeezed by hand to pump the fuel. Connect the fuel tank line to the motor. I have a Husqvarna 460 Rancher that will not start when it is hot when I shut it off to put fuel in it it has to cool down for 30 minutes before it will start. For Lawn Mower parts and accessories, think Jack’s!. Re: Fuel Primer bulb wont stay hard! please help First, primer bulbs do not stay firm after an engine starts because fuel is "sucked" through them, not forced through them under pressure. That VRO sure does take the brunt of a lot of problems. It will take some priming to fill it up, which may explain why you say the primer bulb does not go hard. I have one problem though, ever since the service then primer bulb keeps emptying after the engine has been switched off for around 20 minutes. 83 Johnson 115 - primer ball won't stay hard, engine shuts down. Here are instructions on how to do it. the cheaper ones like Scepter / Mohler are within a year rock hard or leaking. 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. Check the fuel tank and fuel tank vent for damage, corrosion or blockage.