Boats For Sale:
Accelerator Pump Problems |
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RedandWhite73 
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Joined: October-03-2011 Location: Minnesota Status: Offline Points: 135 |
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 Topic: Accelerator Pump ProblemsPosted: August-12-2013 at 6:17pm |
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I have a question about the accelerator pump issue I'm currently dealing with. I tested to see if the linkage was adjusted properly and the pump was actually squirting fuel when the plunger is depressed. The linkage looks to be perfectly adjusted. The pump also sprays fuel when depressed. I took off the linkage and manipulated the plunger by hand to see if I could get it to operate without accelerating. When I depress the plunger the engine almost immediately kills. Could this be a jet size issue? The pump also sprays in a cylindrical pattern, not a mist. Not sure if that is an issue. Any ideas?
Thanks, Dan |
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Bri892001
Grand Poobah 
Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947 |
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Posted: August-12-2013 at 6:27pm |
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Just a guess, but if you're working the accelerator pump this way (linkage disconnected), the motor would be getting a bunch of fuel from the accelerator pump shot, without getting air because the throttles would be closed. So, this could be the problem.
That should be normal. It's a stream, and it's aimed to "break" against... I forget, but another part of the throttles... Is there a problem you're trying to work through? |
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RedandWhite73
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Joined: October-03-2011 Location: Minnesota Status: Offline Points: 135 |
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Posted: August-12-2013 at 6:38pm |
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When I have the linkage installed and open the throttle, the fuel squirts out in the same manner, the throttle blades open, and the engine dies almost immediately.
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81nautique
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Joined: September-03-2005 Location: Big Rock, Il Status: Offline Points: 5779 |
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Posted: August-12-2013 at 7:01pm |
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If you're getting a good squirt instantly when giving it throttle I would check the timing. What engine is in the boat?
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RedandWhite73
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Joined: October-03-2011 Location: Minnesota Status: Offline Points: 135 |
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Posted: August-12-2013 at 7:07pm |
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The boat has a 340. Sounds good, I'll check the timing and report back my findings.
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RedandWhite73 wrote: