So, while the motor runs great, it's possilbe to not get a firm bulb. Boat Primer Bulb. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. 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. Get it as soon as Sat, Dec 5. My primer bulb is about 18 inches from the fuel tank, then I have about four feet of fuel line, then I have a water seperator/fuel filter, then about six feet of fuel line, then engine. That will tell you if you have a problem associated with the boat's tank, like a restriction in the vent. The primer bulb was flat, I pumped it back up, and the engine ran fine. FREE Shipping on orders over $25 shipped by Amazon. Therefore, their effectiveness with air or vapor is also limited, and even tiny leaks can render the bulb and fuel lines useless. Lawnmower PRIMING Button PROBLEM can be FIXED. Cut the hose between the primer bulb and the fuel tank. How the Primer Bulb Works on a Briggs & Stratton 5 Horse Engine. Boat Parts Boat Primer Bulb. The pump delivers the fuel at approx 5 - 6 psi to the carbs and 7 psi can easly push by if the floats are even slightly high. Also, do not squeeze the bulb excessively hard. I've taken a day off work to go offshore only to find that the $&*@ bulb was shot at 9pm at the ramp. High-volume-rated for maximum flow and efficiency, the Bass Pro Shops® Fuel Primer Bulb works in all weather conditions. If the new bulb does not solve the gas issue, check the spin on gas filter and the little gas filter on the motor. First, check the bulb for aging, loss of elasticity, or cracking. When the operator wants to start the outboard again, the hose and engine must be primed, because the outboard’s fuel pumps are incapable of pulling anything but the incompressible liquid. Squeeze bulbs have a check valve at both ends that allows fuel to only flow in one direction--from the tank to the engine. Use your finger tips and thumb to collapse the bulb while priming your engine. FILTER RESULTS. May 28, 2015 #2 A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. 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. The number one problem with squeeze bulb priming systems on boats is minute leaks on the suction side of the bulb between the gas tank and the bulb itself. Boat Engine Stalls When Accelerating. EPA-approved for use on all outboard motors; bulb and hose meet or exceed all ABYC, USCG, CARB, and EPA standards and regulations. Ogrmar Fuel Line Assembly 3/8" Inner Dia 5/8" Outer Dia Hose Line Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb Steel Hose Clamps 6FT. Usually three pumps of the carburetor bulbs is enough to start an engine. I have replaced many bulbs on customers boats.There can be pin holes or the valves themself are just faulty.Try replacing the gas line with a new bulb.If this does not work you could have a plugged vent in tank or you could have bad line to the tank that has swollen or got bent.Good luck. 99. Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. 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. In this light, a new fuel hose is very likely to have the bulb very close to the tank connection. I installed the tank when the boat was new and have had no problems until now. Part # 51302. toy outboard motor image by pearlguy from, TMS Marine Parts: Fuel System Reference Guide. Get your boat's fuel system inspected right away and tested for the fuel restriction that is sucking the bulb flat and making your motor run lean which could damage pistons. Replace any crimp type clamps with screw-turn hose clamps. 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. 99. Pry retainer out and remove bulb from primer seat groove. When the outboard is running normally, the engine’s fuel pumps create a slight vacuum in the fuel hose. When the primer won't prime, the engine won't run. If your boat engine continues to stall, we still need to cover the blockages issue. Get it as soon as Wed, Jan 6. I kept looking and … In this case, the check valves are both slightly open and allowing fuel flow at the rate that the engine is using it. 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. 5/16'' 8mm Fuel Gas Line Hose Primer Bulb Pump For Yamaha Outboard Marine Boat. 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. The number one problem with squeeze bulb priming systems on boats is minute leaks on the suction side of the bulb between the gas tank and the bulb itself. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. I only use fresh, non-ethanol fuel mix. Shop with confidence - get free shipping to home or stores + price match guarantee! Insert the barbed ends of an inline fuel filter and water separator into the hose with the arrow on the fuel filter pointing in the direction of the fuel flow. Atmospheric pressure in the tank through the vent pushes the fuel from the tank to the engine. 10% OFF $75. Therefore, the bulb must be squeezed repeatedly until the entire fuel hose is full of liquid fuel again. Troubleshooting Squeeze Bulb Lines Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Uncle Knuckle LawnSite Senior Member. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. 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. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. Equip your boat with the best?this primer bulb will get your fuel flowing while easily exceeding environmental regulations. Squeeze bulbs on outboard motor fuel hoses prime empty fuel lines so that the outboard engine’s integral fuel pumping system, which only works with liquid, can pull the fuel from the fuel tank to the engine. Fontic Deal 1/4"(6mm) Black Rubber Fuel Transfer Primer Pump Bulb for Marine Boat Gasoline Petrol Diesel Accessories. Once they are full of incompressible liquid, squeeze bulbs are very positive in sending fuel to the motor until its fuel pumps can get a firm lock on the liquid fuel. But blockages don’t cure themselves. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Ensure that the filter is in a protected but accessible area of the boat. Does this mean that I have an air leak in the fuel line? Remove primer seat using a crochet hook or other type of hook. Filter. FYI: I have had better luck using OEM (Yamaha) hoses/lines than the Tempo bulbs. Moeller old style primer bulb was NBR (non EPA certified) Moeller new style primer bulb is a Flourelastomer (EPA certified) Why does the fuel go half way into my primer bulb and then go back out? Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. If the primer bulb does not work properly, it may need to be replaced. Month Warranty $ … Contrary to popular belief, it does not squirt a little gas into the engine to get it going. Factory trained techs are familiar with fuel system problems that could affect a motor as that type of testing should be done at each installation or powerhead replacement. The ball and spring will fall out. Removal of the primer bulb can be made quick and easy using our Primer Bulb Replacement Tool part number 19461. The check valve may be stuck. Fuel line blockages or restrictions are usually a little more easily detected. I have a 9.9 4 stroke mercury for a kicker motor on my little boat. So I started the whole process of elimination of checking the primer bulb and hoses. This is the second time as I was idling home in the no wake zone that the engine died. Check here for special coupons and promotions. If fuel still refuses to flow, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel system. 4.1 out of 5 stars 47. SKU # 294521. Other options New and used 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. Can't help you with the oil warning. Last fishing excursion my outboard starting to act up and not pump constant fuel. Tap the bulb to see if that resolves the issue. It's not uncommon to push the needles off the seats when squizzing too hard on the primer bulb. Pauline Gill is a retired teacher with more than 25 years of experience teaching English to high school students. 1-1 of 1 Results. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. The Larand Marine Primer Bulb is the highest quality primer bulb on the market. Larand Marine Products uses a proprietary formula for the rubber that goes into all of our Marine Primer Bulbs.As a result, our EPA and CARB approved primer bulbs will not freeze until 0° Fahrenheit. Toggle navigation. Blower, lawn mower, weed eater, trimmer NOTE: Do not stretch, bend or compress primer spring. Check for cracking or softening of hoses. What It Does. I have Yamahas. She holds a bachelor's degree in language arts and a Master of Education degree. Then check for leaks in the hose connections including the fitting on the tank. If install a small, low-pressure electric fuel-pump, will that take away the primer bulb all together or do I still need the bulb? profile | register | author help. FREE Shipping on orders over $25 shipped by Amazon. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Most small engines will not start if the carburetor is dry. Comprehensive Inventory news and information on Boat parts. If that does not work, run the motor from a small external tank. If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. Given all the additives intoday's fuel, I replaced mine every 2-3 years. Delivers up to 60% more output per pump than those of leading competitors. Gill is a retired teacher with more than that with the best? this primer bulb get... Properly, it 's not uncommon to push the needles off the seats when squizzing too hard on the through! And a Master of Education degree restrictions are usually a little gas the! Fuel flow at the rate that the engine to get it going is enough to start an.! 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