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). Customer service is available by phone, live chat, and email. We have changed to a top quality primer bulb. (318)347-7380 ... Gas primer bulb keeps going flat if motor doesn't run. 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. When the bulb goes flat just crack open the gas cap, if the bulb inflates then you have a blocked fuel tank vent line. Use a primer bulb whose connections are sized to match your fuel lines. A small engine primer is a bulb of plastic with a hose running through it. 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. Installation of the primer bulb can be made easier using our Primer Bulb Installation Tool part number 19462. 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 … We have changed fuel lines. The Larand Marine Primer Bulb is the highest quality primer bulb on the market. 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. Portable boat gas tanks, outboard fuel tanks and accessories let you enjoy the most of your time on … I checked and found that the fuel line bulb was empty, so I pumped it up and everything started back up. In under two minutes, you could learn how to solve the problem for good! In turn, the primer bulb is no longer hard but still holds it shape under the vacuum. The same goes for fuel lines. Most small engines will not start if the carburetor is dry. 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. Insert primer bulb into retainer and moisten inside diameter of primer bulb. Press until both tabs re-seated in locking slots. Consult your outboard owner's manual for the recommended fuel line for your engine.) On many small engines, this involves pulling the starter rope, although some small engines have an electric starter. Scepter marine products fuel you from the shore to the lake. When the primer bulb is squeezed, the pressure created closes the inlet valve and opens the outlet valve, allowing fuel in the bulb … I love the boat and just took it back to the dealer for the 20 hr service. one thing to check would be your primer ball. 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 … While boating yesterday the RPMs slowly wound down to zero and stalled. it could be a slight crack or weathering in the bulb or the hose. 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. Usually the night before I go fishing, I pump the primer bulb up while preparing the boat. We provide fast shipping and inexpensive shipping. 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. Fifteen minutes later, same thing. It fits easily in your hand, and pumps fuel quickly. A blocked outboard fuel line prevents fuel from getting to the motor. 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. 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 But blockages don’t cure themselves. 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. That is why it feels soft when you squeeze it after the motor is operating. 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. 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. 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. This hose feeds from the gas tank to the engine carburetor. oil tank has small primer bulb, use after hose disconnected to get oil to vro pump. I replace the entire fuel line with an Atwood line with primer bulb and installed an Atwood inline fuel filter just after the tank. pumped it up and it was good the rest of the day. the 2 wires are for float level, should be connections by solenoid, they may have black rubber boots covering them. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Do you ever pumpty, pumpty, pumpty that fuel primer bulb and still can’t get your outboard motor going? The primer bulb that was on the boat did the same thing. While the engine is runnning sometimes the primer bulb goes soft and engine sputters off. MarineEngine.com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. On outboard motors, the primer bulb is in the fuel line, between the tank and engine. 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