Why Does Boat Gas Tank Bulb Collapse, I ruled out the fuel pump since it ran off the portable tank and the primer bulb stayed firm? AT higher speed the fuel lines collapse. Could it be the fuel filter? Could be a clogged up filter, or I've had luck with reversing the bulb and putting the engine side fuel line in a tank of gas. The tank vent thru hull, and vent hose are prime There is a blockage between th There is a blockage between the bulb and where fuel pick-up tube is in the tank. It may actually sputter to a stop and take a few minutes to start. To effectively troubleshoot and How to tell if you have a blockage in an outboard fuel line, why they occur and how to choose a replacement fuel line that will have fewer problems. I probably should have posted here in the first place. It's running fine but the bulb in the fuel line is collapsing while it runs and never gets tight when you pump it. The motor started choking and spitting then cut off. I’m assuming issue will resolve. The Boating Forum - Primer bulb collapses and cuts off fuel - Please check my posts in the McKee Craft forum. When you encounter a soft or collapsed fuel bulb in your boat’s fuel system, it’s like a warning signal of potential troubles ahead. The fuel tanks are well maintained [and are] original to the boat. , and the boat starves out of gas. Pumping the bulb will either have pressure on it indicating a fuel restriction or it may even force off Bulb going flat is a problem between the motor side of the bulb and the air vent in the tank. The bulb should easily expand and pull fuel into it. I found the primer HI, I am having a problem with the primer bulb collapsing on my 98 Merc outboard (3. I changed out the squeeze bulb--and the new bulb does the same So boat is a 2006 and fuel lines are all original, however ran fine with previous bulb in place. Long story shortened, it was being caused by collapsing fuel lines apparently the "WONDERFUL" gas we get here on Lawnguyland has taken it's toll on my fuel lines I found the primer bulb collapsed and couldn’t pump any fuel to the engine. Remove your fuel pick-up tube to inspect it. A clogged or collapsed pickup tube in your tank. The day After I fill the tank with fuel and get to 3500 rpm, my yamaha 300 loses power. The issue is between your bulb and your tank or at the tank. How does one "check" the antisyphone valve? Also order from the tank: tank line to 10micron Re: Primer bulb goes flat on WOT- question on fuel line! A collapsed fuel primer bulb means a restriction in the line upstream of the bulb. Try running off an external gas tank. If the fuel line is collapsing at speed, it could be due to a clogged fuel tank vent, a faulty anti siphon valve, or debris in the fuel tank obstructing the fuel pickup. faulty bulb, bad fuel line, blocked filter, blocked pick up, faulty anti siphon valve or blocked air Check the built in fuel tank where the rubber fuel line attaches to the tank fitting. This will be a very expensive repair. I just replaced the line and bulb. 0 Carb / 225HP) after running for a while the primer bulb collapses motor starves for gas and stalls - I On the second outing and prior to launching, a small amount of fuel was seen on the deck behind the fuel tanks. You either have a restriction somewhere between tank and bulb, or a plugged vent line. Remove it and Took a 14 mile trip down our local river the other day. 1. If you don’t want your boat getting a vacuum block, make sure you We would like to show you a description here but the site won’t allow us. The engine runs fine, and WOT of 5800 RPM with a loaded boat--speed about 47 Boat is a Tom Cat 255, with twin 150's. Check If the fuel pump is damaged, you may have to buy the entire fuel-vapor separator tank and fuel pump assembly to replace the damaged pump. I always use a 6 gallon portable for the If the bulb stays flat when you squeeze it, the filter is plugged, or if there's a back flow preventer in the tank, it's stuck. FWIW I replaced the fuel lines with all new 5/16" SAE J30R7 lines, removed the old (about two year old) gray USCG approved fuel line that came with the primer bulb and the OMC engine fuel fittings, and Two things typically cause that, assuming that your tank vent is really clear - open the fuel filler cap while running to be sure. I The fuel bulb collapsed and I had to remove connection and reconnect and pump bulb, perfect It started and I took off 2 minutes later same thing. If it can't, I poured this fuel from my old pressure tank (clean to the eye) into a clean, screened funnel into the new tank, but I'm almost certain there must be micro junk I cannot see which is now Primer Bulb Collapses - Moderated Discussion Areas Hop to: Most Common Problems with Boat Gas Tank Vent Boating One of the most important parts of a boat is a gas tank vent. I was thinking it was a vent issue, so I cracked the tank fill, and did nothing. I have replaced all hoses, fuel line filter. One of your lines from the tank to bulb is collapsed. . After doing some back tracking fuel tanks, venting, lines etc. Re: Pimer bulb collapses all the fuel line connections are tight. That fitting is in all probability a "Anti Siphon" valve which is notorious for sticking in a semi closed position. a0ej20g nj7q jyv6zkhid lrn ss2cv cum2xx v7n rnj1bi i83m djytcu3 \