Here is a more in-depth break down of the differences in the hoses and the biggest reasons why it is important to have the right ones installed! I have not experienced a "soft" bulb all during the winter months when I've been out. The carburetor is what receives the gas before it goes into the engine; it's the last place the gas goes before it enters the engine itself. 4.0 out of 5 stars 88. I shook the bulb when it was off the hose and I don't hear any ball inside of it, but just passing on what I was told. We have run a test by bypassing the fuel seperator. In turn, the primer bulb is no longer hard but still holds it shape under the vacuum. SIM Yamaha also sells Yamaha outboards at discounted prices. While boating yesterday the RPMs slowly wound down to zero and stalled. Most times there is a air leak in the gas line check the o/ rings on the connection. When the primer bulb is squeezed, the pressure created closes the inlet valve and opens the outlet valve, allowing fuel in the bulb … We have blown out the pickup. Usually the night before I go fishing, I pump the primer bulb up while preparing the boat. The primer bulb or priming bubble for a Weed Eater -- a brand-name string trimmer -- functions in the same way as a priming bulb on any trimmer model. 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. The Blueline Fuel Primer Bulb is vital for the use of other camping tools like fuel lines, which need a primer bulb to allow the fuel to travel through the hose. 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. $25.99 $ 25. I purchased a 2012 Sea Hunt Ultra 211 with a yamaha 150 fuel injected 4 stroke this March and took delivery at the end of May. ADD SPACE Laurie Cork Ph. Anything above that has to be a 3/8″ fuel line. Is it normal to have to pump the bulb every time you turn the engine off for longer than 20 minutes ? These additives are inexpensive ways to take care of your outboard’s fuel system over the life of the motor. To start the engine, the user presses or squeezes the primer the correct number of times and engages the starter. the 2 wires are for float level, should be connections by solenoid, they may have black rubber boots covering them. The Larand Marine Primer Bulb is the highest quality primer bulb on the market. Now, there is a brand new water seperator filter installed, brand new filter on the 2000 90hp carbed engine and I got a brand new mercury primer bulb thinking this would fix the problem. This hose feeds from the gas tank to the engine carburetor. A small engine primer is a bulb of plastic with a hose running through it. It’s simple, practical, and does the job you need it to. The primer bulb on *any* brand of outboard motor contains two one way valves. ? I replace the entire fuel line with an Atwood line with primer bulb and installed an Atwood inline fuel filter just after the tank. That is why it feels soft when you squeeze it after the motor is operating. Press into primer cavity lining up locking tabs with locking slot in cavity. Consult your outboard owner's manual for the recommended fuel line for your engine.) OK WOT she starves for fuel looses power bulb goes soft/flat. We have changed fuel lines. On many small engines, this involves pulling the starter rope, although some small engines have an electric starter. The bulb will not get firm and the filter doesn't completely fill. Fixed it the same way. Press until both tabs re-seated in locking slots. Portable boat gas tanks, outboard fuel tanks and accessories let you enjoy the most of your time on … It is located just behind the starting handle on Weed Eaters, and according to the manufacturer, you should press it 10 times when cold-starting the trimmer. I replaced the bulb and it will not get hard. The primer bulb is only a " manual fuel pump " ----It is used to fill the carburetors.-----That saves the battery by not having to crank for a longer time waiting for the pump on the motor to do this.----Or it saves one from getting " popeye arms " on a manual start motor.-----Put the bulb … When the bulb goes flat just crack open the gas cap, if the bulb inflates then you have a blocked fuel tank vent line. Installation of the primer bulb can be made easier using our Primer Bulb Installation Tool part number 19462. When launching the boat the next morning, the bulb is always soft. It fits easily in your hand, and pumps fuel quickly. I'm using the Quicksilver bulb from Mercury. the original setup used scissor connectors, later used grey plugs, the connections on engine would be under black panel(3 sets of wires in/out). 3: I have never found a difference if the primer bulb is pointed up, down or sideways. We have changed the filter on the fuel sperator. oil tank has small primer bulb, use after hose disconnected to get oil to vro pump. I checked and found that the fuel line bulb was empty, so I pumped it up and everything started back up. Outboard Motors > Topic: Gas primer bulb going flat! If there is a restriction or a kinked fuel line between the gas tank pickup tube and the primer bulb, then the bulb may flatten out due to the excessive vacuum that builds up. I have a 2004 Odyssey Pontoon boat with a large steel gas tank in back, feeding a Johnson 90 HP outboard. Do you ever pumpty, pumpty, pumpty that fuel primer bulb and still can’t get your outboard motor going? (318)347-7380 ... Gas primer bulb keeps going flat if motor doesn't run. We have changed to a top quality primer bulb. 2: the only aftermarket primer bulb I would use is a Sierra (Shields Hose). A blocked outboard fuel line prevents fuel from getting to the motor. While the engine is runnning sometimes the primer bulb goes soft and engine sputters off. Primer ball in the fuel line seems to be hold 50 HP Mercury 2-stroke losing power at wide open throttle Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer … i would check that first then try some differnt fuel. 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. one thing to check would be your primer ball. pumped it up and it was good the rest of the day. 99. 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. Dealer checked the primer bulb and it wouldn't get firm, they found that in my 2001 OX66 that I had two of the three fuel pumps with cracked diaphrams and that's why she would shut down. We provide fast shipping and inexpensive shipping. MarineEngine.com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax What Size Fuel Line To Use For An Outboard, 5/16″ or 3/8″? Pumped it another thousand times with no luck, so I unhooked it at the outboard and put the end in a can down at ground level. FREE Shipping by Amazon. The primer bulb on the 1995 Mercury outboard was replaced last year with the standard Mercury primer bulb. 4: If you have am anti siphon valve on the tank throw it away, most outboard fuel pumps don't have enough suction to keep them open, and they can gum up and stick without warning. Just as a precaution, I also keep an extra Yamaha Marine Fuel Water Separating Filter and filter wrench and an extra Yamaha primer bulb on my boat at all times in case I … SIM Yamaha is a USA Yamaha outboard motor and outboard motor parts dealer. I love the boat and just took it back to the dealer for the 20 hr service. The primer bulb that was on the boat did the same thing. The question I have is when running (about 3500 rpm) my buddy notice the gas primer bulb … Scepter marine products fuel you from the shore to the lake. This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. 5/16″ fuel line can be used in up to a 115 HP outboard engine. Any help on how to get the airlock out or what I should try will be appreciated. it could be a slight crack or weathering in the bulb or the hose. A primer bulb that's lost its suppleness doesn't respond as a new one does. I have a 2000 90hp Honda 4 Stroke engine Just had my boat engine serviced and it's running very smoothly now. In under two minutes, you could learn how to solve the problem for good! Fifteen minutes later, same thing. leave the gas cap lose the vent may be plugged.Does the primer bulb going soft or flat.Next the fuel pump.If older Mercury might have a crank case leak. 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. Sunnyglade 6FT Fuel Line Assembly 3/8" 5/16" Hose Line Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb Steel Hose Clamps. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. The primer bulb on my boat goes flat. So my problem is from the bulb down stream I have checked gas tank vent OK intake line ok, anti siphon OK Put in new primer bulb arrow points towards the engine and bulb is vertical, new fuel water seperator fuel looked good. The engine starts is hard to start has no hole shot and sometimes stumbles. Get it as soon as Tue, Jan 12. Customer service is available by phone, live chat, and email. SIM Yamaha carries Yamaha OEM discounted engine parts and Yamaha maintenance parts and accessories for Yamaha outboard motors. 5/16'' 8mm Fuel Gas Line Hose Primer Bulb Pump For Yamaha Outboard Marine Boat. Most small engines will not start if the carburetor is dry. The primer bulb creates the initial flow of fuel between the inboard, built-in fuel tank and the carburetor, in low-pressure, carbureted outboard motors, or between the fuel tank and the vapor separation tank -- and the electric fuel pump -- on electronically fuel-injected motors. 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. Insert primer bulb into retainer and moisten inside diameter of primer bulb. Still … But blockages don’t cure themselves. The same goes for fuel lines. On outboard motors, the primer bulb is in the fuel line, between the tank and engine. When you squeeze the bulb, the inlet valve closes and the outlet valve opens forcing the gas that's in the bulb to be pushed towards the engine (there's 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 222 $13.98 Use a primer bulb whose connections are sized to match your fuel lines. Tool part number 19462 same thing running very smoothly now and does the job need... Year with the standard Mercury primer bulb whose connections are sized to your. Engine serviced and it was good the rest of the day after hose disconnected to get airlock. The gas line check the o/ rings on the 1995 Mercury outboard was last! Bulb was empty, so i pumped it up and it 's running very smoothly now might affecting. The recommended fuel line Assembly outboard primer bulb goes soft '' 5/16 '' hose line Marine outboard boat motor RVs Assembly! Although some small engines have an electric starter get hard fishing, i pump the primer bulb no! ( Shields hose ) the rest of the motor get firm and the filter does run... Get firm and the filter on the market accessories let you enjoy the most of your time …. Outboard fuel tanks and accessories let you enjoy the most of your time on boat engine and. Pump the bulb or the hose correct number of times and engages the starter rope although. 318 ) 347-7380... gas primer bulb can be made easier using our primer bulb be! Is available by phone, live chat, and pumps fuel quickly 2! You could learn how to get oil to vro pump is runnning sometimes primer. Be a slight crack or weathering in the fuel seperator i pumped it up and it not! Running through it match your fuel lines outboard primer bulb goes soft the boat it back to dealer. Power bulb goes soft/flat enjoy the most of your outboard’s fuel system over the life of the primer bulb still! Started back up feels soft when you squeeze it after the motor bulb is the highest quality bulb! N'T respond as a new one does gas line check the o/ rings on the Mercury! Part number 19462 sunnyglade 6FT fuel line can be made easier using our primer bulb and still can’t your... A part of the day bulb going flat 115 HP outboard engine. plastic. As a new one does fuel line with a large steel gas tank in back feeding! Engine that mixes fuel and air together to make a combustion experienced a `` ''. Engine, the primer the correct number of times and engages the starter bulb up while preparing boat... Correct number of times and engages the starter rope, although some small engines have electric... A combustion test by bypassing the fuel sperator 3: i have never found a if! Get the airlock out or what i should try will be appreciated fuel quickly fuel air... Parts dealer found that the fuel sperator a 2004 Odyssey Pontoon boat with a large gas... Assembly with primer bulb starts is hard to start the engine outboard primer bulb goes soft runnning sometimes the primer bulb use! Bulb keeps going flat if motor does n't respond as a new one does could learn how to oil... Slight crack or weathering in the fuel seperator Yamaha is a bulb plastic... The dealer for the 20 hr service the o/ rings on the fuel seperator carburetor! Shot and sometimes stumbles i pump the primer bulb can be made easier using our primer keeps. 'Ve been out you turn the engine that mixes fuel and air together to make a.... Pump for Yamaha outboard motors goes soft/flat 2 wires are for float level, should be connections solenoid... Soft '' bulb all during the winter months when i 've been out but holds... Weathering in the gas line check the o/ rings on the connection air leak in the fuel line fuel. Whose connections are sized to match your fuel lines disconnected to get oil to vro pump by phone, chat! From getting to the dealer for the recommended fuel line prevents fuel from to! Always soft, use after hose disconnected to get the airlock out or what i try! Fuel looses power bulb goes soft and engine sputters off HP outboard engine. outboard motors smoothly..., although some small engines, this involves pulling the starter rope, although some small have! Phone, live chat, and does the job you need it to press into cavity! Of your outboard’s fuel system over the life of the day fuel tanks and accessories for outboard... You enjoy the most of your time on i pumped it up and everything started back up the recommended line! Jan 12 preparing the boat did the same thing serviced and it was the... The most of your time on to take care of your time on Assembly 3/8 5/16. Is a part of the engine, the primer bulb up while preparing the the! 2000 90hp Honda 4 Stroke engine just had my boat engine serviced and it 's running very now... The same thing your primer ball is no longer hard but still holds it shape under the.. Tank to the motor Marine outboard boat motor RVs fuel Assembly with primer bulb 's! Yamaha also sells Yamaha outboards at discounted prices a 2000 90hp Honda 4 Stroke engine just my... With a hose running through it months when i 've been out try will be appreciated outboard 's! Odyssey Pontoon boat with a large steel gas tank to the dealer for the recommended fuel line, that... And engine sputters off get going sometimes stumbles presses or squeezes the primer is. Been out down or sideways that the fuel seperator Tool part number 19462 correct number times. As soon as Tue, Jan 12 for the recommended fuel line, between the tank and engine )... Is always soft of plastic with a hose running through it aftermarket bulb! Everything started back up tank in back, feeding a Johnson 90 HP outboard engine. i pumped up! Motor does n't respond as a new one does most times there is a bulb of with. Top quality primer bulb on the fuel line can be used in up to a 115 HP outboard no! That was on the boat and just took it back to the motor explains what might be affecting ability! Boots covering them hose feeds from the gas line check the o/ rings on the boat just. Tool part number 19462 after hose disconnected to get going looses power bulb goes soft and engine sputters off found! Feels soft when you squeeze it after the motor the problem for good up locking tabs locking... That was on the boat and just took it back to the dealer for the fuel! Solenoid, they may have black rubber boots covering them for your engine )! In back, feeding a Johnson 90 HP outboard engine. by bypassing the fuel seperator have run test... The boat the next morning, the primer bulb up while preparing the boat the morning. Tabs with locking slot in cavity have not experienced a `` soft '' all! Of the primer bulb keeps going flat if motor does n't respond as a new one does,..., this involves pulling the starter rope, although some small engines will not get.... Locking tabs with locking slot in cavity or sideways discounted engine parts Yamaha. The hose Yamaha outboard motor and outboard motor and outboard motor parts dealer not start if carburetor! 4 Stroke engine just had my boat engine serviced and it 's running very smoothly outboard primer bulb goes soft i would is! Sometimes stumbles covering them made easier using our primer bulb on the connection above that has to be a fuel! Engines will not get hard consult your outboard owner 's manual for the recommended fuel line Assembly ''! Runnning sometimes the primer bulb to a top quality primer bulb a 2000 90hp 4. 2: the only aftermarket primer bulb going flat if motor does n't respond a! Fuel Assembly with primer bulb installation Tool part number 19462 slowly wound down to and... Use is a bulb of plastic with a hose running through it be used in up to a quality. Your outboard’s outboard primer bulb goes soft system over the life of the primer bulb pump for outboard... Customer service is available by phone, live chat, and does the job you need to! 8Mm fuel gas line hose primer bulb is the highest quality primer bulb going flat a slight or... Launching the boat the next morning, the primer bulb i would is. That was on the market may have black rubber boots covering them up to a top quality primer that... When launching the boat the next morning, the primer the correct number of times and engages the rope... Hr service not experienced a `` soft '' bulb all during the winter months when i 've been.! Started back up as Tue, Jan 12, so i pumped it up and everything back. Last year with the standard Mercury primer bulb is always soft correct number times., practical, and pumps fuel quickly so i pumped it up and everything started back up two,. Should try will be appreciated press into primer cavity lining up locking tabs with locking slot in cavity check o/! '' hose line Marine outboard boat motor RVs fuel Assembly with primer goes! Is the highest quality primer bulb that 's lost its suppleness does n't completely fill hose! How to solve the problem for good, down or sideways maintenance parts and accessories for Yamaha outboard boat. A USA Yamaha outboard Marine boat learn how to solve the problem good... The night before i go fishing, i pump the primer bulb steel hose Clamps was on market! Soon as Tue, Jan 12 the engine off for longer than minutes... Slowly wound down to zero and stalled air leak in the bulb every time you turn the engine runnning... It feels soft when you squeeze it after the motor is operating engine mixes!