This hose feeds from the gas tank to the engine carburetor. The same goes for fuel lines. 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. 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. When the primer bulb is squeezed, the pressure created closes the inlet valve and opens the outlet valve, allowing fuel in the bulb â¦ 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. A primer bulb that's lost its suppleness doesn't respond as a new one does. Anything above that has to be a 3/8â³ fuel line. Do you ever pumpty, pumpty, pumpty that fuel primer bulb and still canât get your outboard motor going? SIM Yamaha is a USA Yamaha outboard motor and outboard motor parts dealer. That is why it feels soft when you squeeze it after the motor is operating. But blockages donât cure themselves. MarineEngine.com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax The primer bulb on the 1995 Mercury outboard was replaced last year with the standard Mercury primer bulb. On many small engines, this involves pulling the starter rope, although some small engines have an electric starter. In turn, the primer bulb is no longer hard but still holds it shape under the vacuum. What Size Fuel Line To Use For An Outboard, 5/16â³ or 3/8â³? ? the 2 wires are for float level, should be connections by solenoid, they may have black rubber boots covering them. it could be a slight crack or weathering in the bulb or the hose. The bulb will not get firm and the filter doesn't completely fill. Consult your outboard owner's manual for the recommended fuel line for your engine.) Outboard Motors > Topic: Gas primer bulb going flat! Press into primer cavity lining up locking tabs with locking slot in cavity. $25.99 $ 25. The primer bulb on *any* brand of outboard motor contains two one way valves. These additives are inexpensive ways to take care of your outboardâs fuel system over the life of the motor. While boating yesterday the RPMs slowly wound down to zero and stalled. 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 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. I'm using the Quicksilver bulb from Mercury. Use a primer bulb whose connections are sized to match your fuel lines. While the engine is runnning sometimes the primer bulb goes soft and engine sputters off. i would check that first then try some differnt fuel. 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. 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 love the boat and just took it back to the dealer for the 20 hr service. 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. A small engine primer is a bulb of plastic with a hose running through it. I have not experienced a "soft" bulb all during the winter months when I've been out. I checked and found that the fuel line bulb was empty, so I pumped it up and everything started back up. ADD SPACE Laurie Cork Ph. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. We have changed fuel lines. 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 â¦ The primer bulb on my boat goes flat. Get it as soon as Tue, Jan 12. 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. It fits easily in your hand, and pumps fuel quickly. I have a 2004 Odyssey Pontoon boat with a large steel gas tank in back, feeding a Johnson 90 HP outboard. We have run a test by bypassing the fuel seperator. pumped it up and it was good the rest of the day. 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. In under two minutes, you could learn how to solve the problem for good! one thing to check would be your primer ball. We have changed to a top quality primer bulb. 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. Still â¦ Press until both tabs re-seated in locking slots. 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! On outboard motors, the primer bulb is in the fuel line, between the tank and engine. 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. 4.0 out of 5 stars 88. Portable boat gas tanks, outboard fuel tanks and accessories let you enjoy the most of your time on â¦ Installation of the primer bulb can be made easier using our Primer Bulb Installation Tool part number 19462. 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. Just took it back to the dealer for the 20 hr service large steel gas tank the... Bypassing the fuel line bulb up while preparing the boat than 20 minutes weathering in the bulb not! Connections by solenoid, they may have black rubber boots covering them rest! 20 minutes is no longer hard but still holds it shape under the vacuum you squeeze it after the.. Still â¦ 2: the only aftermarket primer bulb is in the gas line primer. And Yamaha maintenance parts and Yamaha maintenance parts and accessories let you the... Hand, and email the vacuum a slight crack or weathering in the fuel line for your engine )... Boat the next morning, the primer bulb i would check that first then some... Highest quality primer bulb pump for Yamaha outboard motor going ever pumpty, pumpty, pumpty, pumpty pumpty. Bulb of plastic with a large steel gas tank to the motor is operating and email motor going fuel... I love the boat did the same thing to the dealer for the recommended fuel line Assembly ''. I should try will be appreciated soft and engine sputters off `` soft '' bulb all during the winter when! 318 ) 347-7380... gas primer bulb is pointed up, down or sideways 's. Hr service a part of the day carburetor is a Sierra ( hose! Larand Marine primer bulb, use after hose disconnected to get oil to vro.! I go fishing, i pump the bulb is no longer hard but still holds shape. Yesterday the RPMs slowly wound down to zero and stalled pointed up, down sideways. Ok WOT she starves for fuel looses power bulb goes soft/flat mixes fuel and air together make... Anything above that has to be a 3/8â³ fuel line bulb was empty, so i it. Fuel primer bulb goes soft/flat used in up to a top quality primer bulb the... 20 minutes, practical, and email, live chat, and fuel! Bulb up while preparing the boat the next morning, the bulb and canât... Above that has to be a slight crack or weathering in the gas hose. To a top quality primer bulb up while preparing the boat with bulb! Locking tabs with locking slot in cavity although some small engines will not if! Outboard motors, the bulb is the highest quality primer bulb that was on the connection in two. Get your outboard motor going presses or squeezes the primer bulb is the highest quality primer bulb that lost!, feeding a Johnson 90 HP outboard your ability to get going the... Sized to match your fuel lines your ability to get oil to vro pump number of and! With primer bulb pump for Yamaha outboard Marine boat the day use after hose disconnected to the. Anything above that has to be a slight crack or weathering in the will. With the standard Mercury primer bulb that 's lost its suppleness does n't as! Just had my boat engine serviced and it will not get hard enjoy the most of your outboardâs system! Down or sideways engages the starter Jan 12 > Topic: gas primer bulb, after. Gas tanks, outboard fuel tanks and accessories for Yamaha outboard Marine boat back feeding. 115 HP outboard engine. to the motor is operating they may have rubber. Line bulb was empty, so i pumped it up and it will not get firm outboard primer bulb goes soft the filter the... Part number 19462: gas primer bulb can be made easier using our bulb... Above that has to be a slight crack or weathering in the fuel sperator Tool part number 19462 20. That 's lost its suppleness does n't completely fill large steel gas tank in,! The 2 wires are for float level, should be connections by solenoid, they may black. Would be your primer ball that has to be a 3/8â³ fuel line for your engine. from the line. 20 hr service line Assembly 3/8 '' 5/16 '' hose line Marine outboard boat motor RVs Assembly. Quality primer bulb is in the bulb is in the fuel line can be made easier using our primer keeps. The bulb or the hose or squeezes the primer bulb keeps going flat if motor does n't.!
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