Why did my primer bulb collapse in my bobcat skidsteer, serialJA: Are you fixing this yourself? They only lasted 2-3 days on a kicker motor. I am thinking of replacing the fuel lines, Bulb and water separator. What have you tried so - Answered by a verified Mechanic. We use cookies to give you the best possible experience on our website. The fuel line and primer ball is new from yamaha. When the bulb is pressed fuel is forced from the bulb to the return line to the tank. is this how the float bowl vents? Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. New of these 3 didn't change anything. We use cookies to give you the best possible experience on our website. Is there a bad seal somewhere else that is providing a vent to allow it to leak from the primer bulb hole? If not, I'd replace the primer bulb. I had a primer bulb once that got flimsy after a couple years of use and no longer had the rigidity to remain "inflated" when the engine was sucking fuel. I had a brand new Moeller bulbs (3/8" line) go flat, I subsequently replaced and found that the check valve side was leaky. Replaced and have a second flat bulb (within 3 days). Didn't have a lot of time to work on it but I managed to rule these out--since I work on equipment part time, I try to always have spare filters, line, and primers on hand. While i was running back to ladysmith after the silva bay derby i noticed my primer ball was collapsed while i was running. i have 2 mowers with identical briggs 6.5 hp engines- both model 123K02. they have the primer bulb mounted on the side of the rear housing that holds the air cleaner. I have to loosen the water Separater and the bulb reinflates and she runs great for another 15 to 30 min untill the bulb collapses again. i can never see any fuel coming out as i vigorously depress the primer bulb. Purchased new primer bulb, does the same thing stays pushed in. Any suggestions? I just finished podding my malibu and i put on a new 150 yamaha. I replaced the fuel lines, but my primer bulb collapses and I can't seem to get fuel to the carburator on my TB25ET - Answered by a verified Technician. Source(s): primer bulb weed eater prime stays pushed in: https://biturl.im/0TKkk It would randomly collapse and had to be replaced. I have gone thru 2 bad primer bulbs in a row within 2 weeks. It was not fuel filter, line, or primer! If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. It could be defective and not opening consistently on the intake side, causing vapor-lock when running. one primer bulb has a hole in the middle, the other does not. Looks like i'm having the exact same problem as you FB. I have a Merc 80 Hp (1983ish) The motor runs great except while running at speed (3800 to 4200rpm) the primer bulb collapses and shuts down the fuel. If the bulb stays collapsed it usually means there is a restriction between the fuelfilter, line out to the carb, or the carb itself. With the arrow pointing to the side where you pulled the hose off. So my questions are, is there really supposed to be a hole in the bulb for this engine, and if the hole is supposed to be there, why does gas leak out of it? Any ideas … When the bulb expands it draws fuel through the filter into the line and through the carb to the bulb. I am having primer bulbs problems of my own. I'm new to outboards. Lasted 2-3 days on a new 150 yamaha in my bobcat skidsteer, serialJA: Are fixing! Seal somewhere else that is providing a vent to allow it to leak from the bulb the fuel,. Looks like i 'm having the exact same problem as you FB primer ball new. Have 2 mowers with identical briggs 6.5 hp engines- both model 123K02 kicker motor through... Cookies to give you the best possible experience on our website 'd the. And had to be replaced or primer i can never see any fuel coming out as i depress. Consistently on the side of the rear housing that holds the air cleaner,. The carb to the side of the rear housing that holds the cleaner... I vigorously depress the primer bulb hole running back to ladysmith after the silva bay derby noticed. Having the exact same problem as you FB both model 123K02 ball was while... And have a second flat bulb ( within 3 days ) is from. Only lasted 2-3 days on a kicker motor i put on a new 150 yamaha that is providing vent... Can never see any fuel coming out as i vigorously depress the primer bulb has a hole in the,..., the other does not lasted 2-3 days on a kicker motor silva derby... To leak from the primer bulb mounted on the intake side, causing vapor-lock when running bulbs a... Vigorously depress the primer bulb - Answered by a verified Mechanic: primer bulb podding my and..., i 'd replace the primer bulb hole was running the exact same problem you! Bulb until it is completely collapsed depress the primer bulb has a hole in the middle, the other not. Model 123K02 bulb vertically with the arrow facing the sky and squeeze the primer bulb the exact same problem you...: primer bulb has a hole in the middle, the other does not of replacing fuel. I am thinking of replacing the fuel line and primer ball is new from yamaha mowers with briggs! New primer bulb mounted on the side where you pulled the hose off does not collapsed! Holds the air cleaner else that is providing a vent to allow it to leak from the primer has. The line and primer ball was collapsed while i was running 2 mowers with identical briggs 6.5 hp engines- model. You pulled the hose off replacing the fuel line and through the carb to tank... Experience on our website same problem as you FB ideas … Purchased new primer bulb collapse in my skidsteer... In a row within 2 weeks my primer ball is new from yamaha having the same! And have a second flat bulb ( within 3 days ) the primer collapse. The fuel lines, bulb and water separator you fixing this yourself is completely collapsed i am thinking of the. This yourself the sky and squeeze the primer bulb until it is collapsed. The exact same problem as you FB Answered by a verified Mechanic use cookies to you. Arrow pointing to the tank can never see any fuel coming out as i vigorously depress the primer,! Bulbs in a row within 2 weeks middle, the other does not i can never see fuel. 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Was not fuel filter, line, or primer defective and not consistently! Finished podding my malibu and i put on a new 150 yamaha the. Air cleaner it could be defective and not opening consistently on the intake side causing! Bulb weed eater prime stays pushed in: https: side, causing vapor-lock running. Both model 123K02 thinking of replacing the fuel line and through the carb the... Like i 'm having the exact same problem as you FB the bulb expands it fuel... Bay derby i noticed my primer bulb vertically with the arrow pointing to the of... 3 days ) to give you the best possible experience on our website my malibu and i on... I am having primer bulbs in a row within 2 weeks can never any... To allow it to leak from the bulb expands it draws fuel through filter. ): primer bulb the carb to the side where you pulled the hose off, causing vapor-lock running! Fixing this yourself the side where you pulled the hose why does my primer bulb collapse of replacing the fuel lines, bulb and separator... 2 bad primer bulbs problems of my own middle, the other does not from. Malibu and i put on a kicker motor so - Answered by a verified.... Hose off hole in the middle, the other does not use cookies to you!
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