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. This is a test. Boat Primer Bulb. 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. The Larand Marine Primer Bulb is the highest quality primer bulb on the market. NOTE: Do not stretch, bend or compress primer spring. 10% OFF $75. 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. Posted via Mobile Device . I installed the tank when the boat was new and have had no problems until now. 1-1 of 1 Results. Therefore, their effectiveness with air or vapor is also limited, and even tiny leaks can render the bulb and fuel lines useless. 99. Then check for leaks in the hose connections including the fitting on the tank. Therefore, the bulb must be squeezed repeatedly until the entire fuel hose is full of liquid fuel again. Check for cracking or softening of hoses. search | FAQ | 5/16'' 8mm Fuel Gas Line Hose Primer Bulb Pump For Yamaha Outboard Marine Boat. In this case, the check valves are both slightly open and allowing fuel flow at the rate that the engine is using it. Should I relocate the primer bulb and put it on the engine-side of the water separator? The primer bulb on a Briggs and Stratton 5 horsepower engine is located on the back of the air filter assembly next to the carburetor. She holds a bachelor's degree in language arts and a Master of Education degree. Can't help you with the oil warning. 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. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. The check valve may be stuck. 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. If the primer bulb does not work properly, it may need to be replaced. profile | register | author help. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. Delivers up to 60% more output per pump than those of leading competitors. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. 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. I don't think the primer bulb itself is what's causing it to die, but may be a symptom of the real problem. So, while the motor runs great, it's possilbe to not get a firm bulb. 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. Shop with confidence - get free shipping to home or stores + price match guarantee! Does this mean that I have an air leak in the fuel line? Part # 51302. In this video we look at why holding an outboard primer bulb vertically makes it work better. Use your finger tips and thumb to collapse the bulb while priming your engine. Comprehensive Inventory news and information on Boat parts. http://continuouswave.com/ubb/Forum4/HTML/000686.html. Other options New and used Uncle Knuckle LawnSite Senior Member. Fontic Deal 1/4"(6mm) Black Rubber Fuel Transfer Primer Pump Bulb for Marine Boat Gasoline Petrol Diesel Accessories. High-volume-rated for maximum flow and efficiency, the Bass Pro Shops® Fuel Primer Bulb works in all weather conditions. U. FYI: I have had better luck using OEM (Yamaha) hoses/lines than the Tempo bulbs. Most small engines will not start if the carburetor is dry. 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. I only use fresh, non-ethanol fuel mix. Filter. Those were aging so I replaced them even though they were not the main problem. 4.1 out of 5 stars 47. Contrary to popular belief, it does not squirt a little gas into the engine to get it going. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. 99. You can squiz a whole lot more than that with the bulb. The ball and spring will fall out. Usually three pumps of the carburetor bulbs is enough to start an engine. If fuel still refuses to flow, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel system. e Incidentally, keep the old bulb and hose for a spare and carry it on the boat. 1-1 of 1 Results. I have a 28 gallon Tempo big, plastic, red fuel tank on my 2001 Montauk. 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. So I started the whole process of elimination of checking the primer bulb and hoses. Valmar Marine 5/16in Primer Bulb $ 22. I have Yamahas. Given all the additives intoday's fuel, I replaced mine every 2-3 years. Blower, lawn mower, weed eater, trimmer Fuel line blockages or restrictions are usually a little more easily detected. Equip your boat with the best?this primer bulb will get your fuel flowing while easily exceeding environmental regulations. Troubleshooting Squeeze Bulb Lines Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Removal of the primer bulb can be made quick and easy using our Primer Bulb Replacement Tool part number 19461. How the Primer Bulb Works on a Briggs & Stratton 5 Horse Engine. I've taken a day off work to go offshore only to find that the $&*@ bulb was shot at 9pm at the ramp. 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. Atmospheric pressure in the tank through the vent pushes the fuel from the tank to the engine. That will tell you if you have a problem associated with the boat's tank, like a restriction in the vent. 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. 99. Discover Boat Primer Bulb on sale right here with the largest option of Boat Primer Bulb anywhere online. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. I have a 9.9 4 stroke mercury for a kicker motor on my little boat. 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. Get it as soon as Wed, Jan 6. 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. If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. Boat Engine Stalls When Accelerating. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. This is the second time as I was idling home in the no wake zone that the engine died. Get it as soon as Sat, Dec 5. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. 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. Toggle navigation. 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. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. Per pump than those of leading competitors type clamps with screw-turn hose clamps firm! Prime, the check valves are both slightly open and allowing fuel at... Little gas into the carburetor outboard primer bulb and the fuel hose the water separator running. The fuel hose is very likely to have the bulb excessively hard Transfer pump... 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