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Big River

Gas Tank ?

6 posts in this topic

First off i'm not good with motors, but anyways. I have a 1979 Johnson 15 hp long shaft, with a plastic gas tank with a hose that has the primer bulb. My question is that when I pump the primer it fills with gas, and the first time I can get gas at the motor end, but then I pump it again and it gets hard and I cant't get no gas at the motor end, and the only way I can release the pressure is to disconnect the hose from the primer bulb. Anotherwards i'm not getting gas to the carb. Does it sound like a hose problem or carb, etc. problem. Just looking for some help or thoughts on this. thanks p.s. motor ran great before this.

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If I'm following you correctly, I'd say the inlet needle in the carb is stuck shut. You would need to take apart the carb and rebuild it.

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If you're getting the condition you describe while the hose is connected to the motor I agree with Bruce, sounds like a stuck inlet needle.

Is this something that just happened, or has the motor sat for a while?

marine_man

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Given that I might be tempted to remove the gas hose from where it connects to the fuel pump / diaphragm and pump the primer bulb a bit and see if it pumps fuel through the hose to rule out the mating end of the connector.

marine_man

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