2006 Vulcan 900 fuel pump issue PLEASE HELP - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 122 (permalink) Old 03-16-2013, 12:45 PM Thread Starter
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2006 Vulcan 900 fuel pump issue PLEASE HELP

bike hasnt started in a few months

Removed the plugs, they looked like they were soaked with fuel and they had a lot of carbon buildup

removed the line from the fuel pump nipple. I stuck a length of hose on nipple and tried to start the motor (to drain the fuel using the pump) nothing came out?

Shouldnt the fuel pump be pumping fuel when turning over the ignition?

is there a fuel pump relay or fuse?

Thank you in advance
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post #2 of 122 (permalink) Old 03-16-2013, 12:53 PM
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To you hear a whirring/whining noise when you turn the key on and turn the killswitch off (to the position it needs to be in to start)? The pump should cycle shortly when the bike is turned on (unless the killswitch is on, in which case it'll cycle when the killswitch is turned off)

There is a fuse at least, not sure about a relay- for the fuel pump. I'll dig out my service manual and see if I can find it for you. However the fuses are labeled, if you take the lids off the fuse boxes you'll see labels on the lid for each fuse just like your car. You should find one for the fuel pump.

Why hasn't it started in a few months? Just for storage? What did you do to store it?

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

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post #3 of 122 (permalink) Old 03-16-2013, 01:01 PM Thread Starter
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i just got the bike so im not sure why it wasnt riden. i think the guy said that it wouldnt start so its just been sitting.

I hear a click click clicking real fast but not so much of a whirring / whining sound.

im going to try to find the fuse box. Under the seat?
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post #4 of 122 (permalink) Old 03-16-2013, 01:04 PM
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Once you remove the seat there are two side covers, removable with a phillips screw. You'll see what I mean when you get the seat off. If I remember right, I think BOTH have fuse boxes, but give me a minute to find it in my service manual...

EDIT:

Okay, first question- is the FI warning light on? Or does it come on and turn off after a couple seconds? Or not come on at all when you turn the key on?

On the LEFT side of the bike, there is a plastic cover (pulls out once you remove the phillips screw under the seat). Remove that cover, find the fuse box. There is a fuse labeled 'ECU', check that fuse. Not likely, but worth checking.

On the RIGHT side, under the plastic cover, you'll find the bikes main fuse. If NOTHING came on when you turned the key that'd be the one to check. But you'll also find a black box containing relays. There are two relays next to each other in the box (should be labeled). One is for the ECU, and one is for the fuel pump. Have both tested and replaced if necessary.

If all fuses/relays check out, then you need to begin to diagnose the pump itself. Someone else will have to jump in on that one, I don't know of any way to test a fuel pump definitively other than what you've already done, but I'd hate for you to pull the tank, replace the pump, only to find it was something else...

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

Romans 5:8 (NIV)

2014 Kawasaki Vulcan 1700 Vaquero ABS SE
iPod Connector Kit, Kuryakyn Highway Pegs, Mustang Touring Seat, Marvella's Hitch, Kuryakyn Trailer Wiring Kit, Haul-Master Tag-a-Long Cargo Trailer

2011 Honda Shadow Aero 750 (Wife's)

Memphis shades quick-release windshield, OEM Solo Seat, Mustang Fender Bib, Chrome Solo Luggage Rack

Past: 2006 Vulcan 900 Classic LT

Last edited by Romans5.8; 03-16-2013 at 01:13 PM.
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post #5 of 122 (permalink) Old 03-16-2013, 01:19 PM Thread Starter
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thank you so much. i dont think ive ever gotten such a fast reply on any other forum. hell of a job my man.
i got both sides off. left side there is a fuse box, horn, ig, tail, head, turn, fan. ecu, acc, spare. all of them are good

dont really see anything on the right side. there is a 30amp fuse under the seat in front of the battery
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post #6 of 122 (permalink) Old 03-16-2013, 01:22 PM Thread Starter
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oh man, i just read something that maybe the culprit. i just found out that the kickstand has to be up in order to start the bike. although the guy didnt mention anything about the kickstand having to be up. but now that i have it kinda apart, shouldnt the fuel pump be spitting out fuel when the kickstand is up, kill switch is off, and im turning over the motor?
because i cant remember when it was together if i had the stand up or not
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post #7 of 122 (permalink) Old 03-16-2013, 01:22 PM
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Quote:
Originally Posted by dlemons4 View Post
thank you so much. i dont think ive ever gotten such a fast reply on any other forum. hell of a job my man.
i got both sides off. left side there is a fuse box, horn, ig, tail, head, turn, fan. ecu, acc, spare. all of them are good

dont really see anything on the right side. there is a 30amp fuse under the seat in front of the battery
The 30amp fuse is the 'main' fuse. It's supposed to be on the right side but it could have easily been pushed up in front of the battery. If the lights come on, etc., then that fuse is fine. If that fuse pops you'll have NOTHING.

On the right side there is a pretty boring looking black box. Has three big wiring harnesses plugged right into it. That's the relay box. Inside you should find your fuel pump relay.

EDIT: The bike will start with the kickstand down if it's in neutral. That's how I always start mine, so it idles for a second while I get situated.

If in Neutral;

Kickstand down or up
Killswitch to the 'run' position
Key on
Neutral light must be lit

If in gear;

Kickstand UP
killswitch to 'run'
Key on
Clutch must be pulled

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

Romans 5:8 (NIV)

2014 Kawasaki Vulcan 1700 Vaquero ABS SE
iPod Connector Kit, Kuryakyn Highway Pegs, Mustang Touring Seat, Marvella's Hitch, Kuryakyn Trailer Wiring Kit, Haul-Master Tag-a-Long Cargo Trailer

2011 Honda Shadow Aero 750 (Wife's)

Memphis shades quick-release windshield, OEM Solo Seat, Mustang Fender Bib, Chrome Solo Luggage Rack

Past: 2006 Vulcan 900 Classic LT
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post #8 of 122 (permalink) Old 03-16-2013, 01:24 PM
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Did you notice the behavior of the FI light?

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

Romans 5:8 (NIV)

2014 Kawasaki Vulcan 1700 Vaquero ABS SE
iPod Connector Kit, Kuryakyn Highway Pegs, Mustang Touring Seat, Marvella's Hitch, Kuryakyn Trailer Wiring Kit, Haul-Master Tag-a-Long Cargo Trailer

2011 Honda Shadow Aero 750 (Wife's)

Memphis shades quick-release windshield, OEM Solo Seat, Mustang Fender Bib, Chrome Solo Luggage Rack

Past: 2006 Vulcan 900 Classic LT
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post #9 of 122 (permalink) Old 03-16-2013, 01:44 PM Thread Starter
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yes the FI light turns on when i turn the key to IG. It makes that priming and clicking noise. the noise stops and the light turns off after a second.
when trying to turn the bike over the light stays on as long as im pressing the start key. its gotta be a bad fuel pump or relay idk
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post #10 of 122 (permalink) Old 03-16-2013, 01:45 PM
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Quote:
Originally Posted by dlemons4 View Post
i just got the bike so im not sure why it wasnt riden. i think the guy said that it wouldnt start so its just been sitting.

I hear a click click clicking real fast but not so much of a whirring / whining sound.

im going to try to find the fuse box. Under the seat?
Clicking??? Are you sure the battery is OK?
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