The Larand Marine Primer Bulb is the highest quality primer bulb on the market. Most small engines will not start if the carburetor is dry. 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. We provide fast shipping and inexpensive shipping. I love the boat and just took it back to the dealer for the 20 hr service. 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 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! the 2 wires are for float level, should be connections by solenoid, they may have black rubber boots covering them. The primer bulb on the 1995 Mercury outboard was replaced last year with the standard Mercury primer bulb. Press until both tabs re-seated in locking slots. The question I have is when running (about 3500 rpm) my buddy notice the gas primer bulb ⦠The primer bulb that was on the boat did the same thing. The bulb will not get firm and the filter doesn't completely fill. We have changed to a top quality primer bulb. On outboard motors, the primer bulb is in the fuel line, between the tank and engine. i would check that first then try some differnt fuel. 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 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. Most times there is a air leak in the gas line check the o/ rings on the connection. I have a 2004 Odyssey Pontoon boat with a large steel gas tank in back, feeding a Johnson 90 HP outboard. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. 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. We have changed fuel lines. Installation of the primer bulb can be made easier using our Primer Bulb Installation Tool part number 19462. Customer service is available by phone, live chat, and email. 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 ⦠To start the engine, the user presses or squeezes the primer the correct number of times and engages the starter. one thing to check would be your primer ball. ADD SPACE Laurie Cork Ph. Consult your outboard owner's manual for the recommended fuel line for your engine.) 3: I have never found a difference if the primer bulb is pointed up, down or sideways. We have blown out the pickup. We have changed the filter on the fuel sperator. The engine starts is hard to start has no hole shot and sometimes stumbles. Anything above that has to be a 3/8â³ fuel line. 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. 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. In turn, the primer bulb is no longer hard but still holds it shape under the vacuum. Insert primer bulb into retainer and moisten inside diameter of primer bulb. The primer bulb on *any* brand of outboard motor contains two one way valves. Any help on how to get the airlock out or what I should try will be appreciated. pumped it up and it was good the rest of the day. In under two minutes, you could learn how to solve the problem for good! 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. it could be a slight crack or weathering in the bulb or the hose. I replace the entire fuel line with an Atwood line with primer bulb and installed an Atwood inline fuel filter just after the tank. A blocked outboard fuel line prevents fuel from getting to the motor. Scepter marine products fuel you from the shore to the lake. ? 99. 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. I replaced the bulb and it will not get hard. 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 ⦠oil tank has small primer bulb, use after hose disconnected to get oil to vro pump. These additives are inexpensive ways to take care of your outboardâs fuel system over the life of the motor. Is it normal to have to pump the bulb every time you turn the engine off for longer than 20 minutes ? MarineEngine.com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax 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. 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. (318)347-7380 ... Gas primer bulb keeps going flat if motor doesn't run. I'm using the Quicksilver bulb from Mercury. SIM Yamaha carries Yamaha OEM discounted engine parts and Yamaha maintenance parts and accessories for Yamaha outboard motors. When the primer bulb is squeezed, the pressure created closes the inlet valve and opens the outlet valve, allowing fuel in the bulb ⦠Itâs simple, practical, and does the job you need it to. But blockages donât cure themselves. A primer bulb that's lost its suppleness doesn't respond as a new one does. 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. 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 ⦠This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. Outboard Motors > Topic: Gas primer bulb going flat! 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. 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. When launching the boat the next morning, the bulb is always soft. While the engine is runnning sometimes the primer bulb goes soft and engine sputters off. OK WOT she starves for fuel looses power bulb goes soft/flat. What Size Fuel Line To Use For An Outboard, 5/16â³ or 3/8â³? Still ⦠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. Usually the night before I go fishing, I pump the primer bulb up while preparing the boat. This hose feeds from the gas tank to the engine carburetor. Bulb is no longer hard but still holds it shape under the vacuum engine parts and for! 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