Fuel Pump Question - Kawasaki Vulcan Forum : Vulcan Forums
 
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post #1 of 10 (permalink) Old 07-22-2019, 10:42 AM Thread Starter
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Fuel Pump Question

My bike, a 20009 Vulcan 900 Classic, has sat up for several years as I was out of the country. I disconnected the battery but forgot to drain the fuel the last time I ran it several months ago. (I was on a rotation so I was back in the US every 4-5 months).

It has a new battery and I drained the fuel and added fresh fuel with some FI cleaner. However, it won't start.
The Fuel Pump from what I can tell is not running at all. Removing the fuel line and no fuel comes out. The lights seem to come on and off correctly and I hear it prime when turning the bike on. But again, while it cranks it will not start and nothing comes out the fuel line.

Any thoughts?

Thanks!

2009 Vulcan 900 Classic (Zhaan)
OEM Windshield, Crashbars, Sissybar
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Crampbuster throttle control
Wagner BP1210/H4 headlight & 2357LL taillight
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post #2 of 10 (permalink) Old 07-22-2019, 11:08 AM
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If you can hear it priming, I would assume (perhaps incorrectly) that the fuel pump isn't the issue. I'd lean more towards the fuel lines going into/out of the pump being clogged or gunked up from the gas sitting for so long.
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post #3 of 10 (permalink) Old 07-22-2019, 11:52 AM
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Quote:
Originally Posted by SpringVulcan View Post
The Fuel Pump from what I can tell is not running at all. Removing the fuel line and no fuel comes out. The lights seem to come on and off correctly and I hear it prime when turning the bike on.
Well if the fuel pump is buzzing when you first turn the key and you "hear it prime" but no fuel coming out when you disconnect the hose (and leaving it disconnected at the same time) means: the pump has power, the pump is running, and you have a clogged fuel filter/junk in the bottom of the tank.

Drain the tank. Remove the fuel pump. De-crud the inside of the tank with some kerosene. Replace your fuel filters and try again.

https://www.highflowfuel.com/ag-1323...vn900-efi.html
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post #4 of 10 (permalink) Old 07-22-2019, 02:59 PM Thread Starter
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Checking things further: the noise we are hearing seem to be the throttle bodies opening and closing while doing their startup routine. Not the fuel pump. And we pulled the fuel line directly off the fuel pump and still nothing coming out.

2009 Vulcan 900 Classic (Zhaan)
OEM Windshield, Crashbars, Sissybar
OEM Slim Saddlebags
Crampbuster throttle control
Wagner BP1210/H4 headlight & 2357LL taillight
FIAMM Low tone horn
Homemade Lowers
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post #5 of 10 (permalink) Old 07-22-2019, 03:07 PM Thread Starter
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Quote:
Originally Posted by RastaPasta View Post
If you can hear it priming, I would assume (perhaps incorrectly) that the fuel pump isn't the issue. I'd lean more towards the fuel lines going into/out of the pump being clogged or gunked up from the gas sitting for so long.

I think that was a mistake on my part. It isn't the fuel pump that I was hearing. It was the throttle bodies opening and closing. I think...
Putting a meter on the fuel pump seems to show no power.

2009 Vulcan 900 Classic (Zhaan)
OEM Windshield, Crashbars, Sissybar
OEM Slim Saddlebags
Crampbuster throttle control
Wagner BP1210/H4 headlight & 2357LL taillight
FIAMM Low tone horn
Homemade Lowers
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post #6 of 10 (permalink) Old 07-22-2019, 03:13 PM
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No power going to the pump then. First thing to check would be the fuse
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post #7 of 10 (permalink) Old 07-22-2019, 03:51 PM Thread Starter
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Quote:
Originally Posted by RastaPasta View Post
No power going to the pump then. First thing to check would be the fuse

I that the 30A? It seems to be fine.

2009 Vulcan 900 Classic (Zhaan)
OEM Windshield, Crashbars, Sissybar
OEM Slim Saddlebags
Crampbuster throttle control
Wagner BP1210/H4 headlight & 2357LL taillight
FIAMM Low tone horn
Homemade Lowers
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post #8 of 10 (permalink) Old 07-22-2019, 03:55 PM
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Only because it has not been mentioned, be sure the kill switch is in the RUN position.

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Last edited by westcoastkevin; 07-23-2019 at 07:49 AM. Reason: Correcting a misspelling.
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post #9 of 10 (permalink) Old 07-22-2019, 03:55 PM
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I don't know your bike specifically, but my 06 Meanie 1600 has a diagram on the inside of the fuse box that lists what each fuse is for. If the fuses all check out though, try tracing the wiring going to the pump from the box to make sure a connector isn't loose or corroded, and make sure the ground isn't shorted out, corroded, or disconnected.
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post #10 of 10 (permalink) Old 07-22-2019, 04:31 PM Thread Starter
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Quote:
Originally Posted by westcoastkevin View Post
Onlu because it has not been mentioned, be sure the kill switch is in the RUN position.
Good point. It sounds exactly as if the RUN switch is off. But I am sure it is on.

2009 Vulcan 900 Classic (Zhaan)
OEM Windshield, Crashbars, Sissybar
OEM Slim Saddlebags
Crampbuster throttle control
Wagner BP1210/H4 headlight & 2357LL taillight
FIAMM Low tone horn
Homemade Lowers
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