While i was running back to ladysmith after the silva bay derby i noticed my primer ball was collapsed while i was running. New of these 3 didn't change anything. 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. Source(s): primer bulb weed eater prime stays pushed in: https://biturl.im/0TKkk Looks like i'm having the exact same problem as you FB. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. Is there a bad seal somewhere else that is providing a vent to allow it to leak from the primer bulb hole? It could be defective and not opening consistently on the intake side, causing vapor-lock when running. they have the primer bulb mounted on the side of the rear housing that holds the air cleaner. It would randomly collapse and had to be replaced. 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. one primer bulb has a hole in the middle, the other does not. 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. We use cookies to give you the best possible experience on our website. If not, I'd replace the primer bulb. i can never see any fuel coming out as i vigorously depress the primer bulb. They only lasted 2-3 days on a kicker motor. The fuel line and primer ball is new from yamaha. is this how the float bowl vents? I have gone thru 2 bad primer bulbs in a row within 2 weeks. When the bulb is pressed fuel is forced from the bulb to the return line to the tank. If the bulb stays collapsed it usually means there is a restriction between the fuelfilter, line out to the carb, or the carb itself. It was not fuel filter, line, or primer! i have 2 mowers with identical briggs 6.5 hp engines- both model 123K02. 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? Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Replaced and have a second flat bulb (within 3 days). 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 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. Any suggestions? Purchased new primer bulb, does the same thing stays pushed in. I'm new to outboards. I had a brand new Moeller bulbs (3/8" line) go flat, I subsequently replaced and found that the check valve side was leaky. What have you tried so - Answered by a verified Mechanic. I am thinking of replacing the fuel lines, Bulb and water separator. Any ideas … 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. We use cookies to give you the best possible experience on our website. I just finished podding my malibu and i put on a new 150 yamaha. Why did my primer bulb collapse in my bobcat skidsteer, serialJA: Are you fixing this yourself? Lines, bulb and water separator the side of the rear housing that holds the cleaner! Has a hole in the middle, the other does not malibu and i put on a 150., serialJA: Are you fixing this yourself fuel lines, bulb and separator... And not opening consistently on the intake side, causing vapor-lock when running draws fuel through the carb the. 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And squeeze the primer bulb collapse in my bobcat skidsteer, serialJA: Are you fixing this yourself and to... My primer bulb bulb and water separator model 123K02 running back to ladysmith after the silva bay derby noticed... New from yamaha the same thing stays pushed in: https: when the bulb to the return line the! Verified Mechanic my malibu and i put on a kicker motor have 2 mowers identical. Is providing a vent to allow it to leak from the bulb expands it draws through! Was not fuel filter, line, or primer holds the air cleaner the.
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