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Buell Forum » XBoard » Archive through July 25, 2010 » XB12R fuel pump problems « Previous Next »

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Kenney83
Posted on Sunday, June 20, 2010 - 06:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

My friend has a 2008 XB12R with 2000 miles on it. we went out for a ride to day and got about 5 miles out and his bike just stopped working. we got it back to the house, changed the plugs still no go. we started looking at the fuses and the fuel pump one was blown. put another 10 amp in there blow that one. put a 15 amp in didn't blow. still won't start though. we took the fuel line off and turned the bike on. nothing came out of the fuel pump. anyone have any thoughts on why the 10 amp keeps blowing? thanks for the help.
kenney
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Pash
Posted on Monday, June 21, 2010 - 02:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Have a look here:

http://www.ukbeg.com/forum/viewtopic.php?f=8&t=714 0
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Nuerburgringer
Posted on Monday, July 05, 2010 - 04:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I wouldn't experiment with larger fuses if I were you. Almost literally playing with fire.
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L8_br8ker
Posted on Sunday, July 11, 2010 - 09:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

My bike stalled at Smith Point Beach, last week, (about 5 miles from the mainland, on Fire Island). After checking my fuel level, I went for the fuse box, fuel pump fuse blown. It didnt blow out the 15 amp spare I put in to get to civiliztion, and home, but when I changed back to a 10 amp, and drove 3 miles, it blew.
I came here, and read what I could, removed my Drummer, and jacked up the engine, about 6 inches, freed up the rear brake line, lossened the rear axle, till the belt got loose, dropping the swingarm about 5 inches,drained the fuel, pulled out the pump, looked over all wires with a magnafying glass, (they appear to be teflon insulated), there was no dammaged insulation, and my 2009 fuel pump setup does not look like the wires would ever short out in there.
I called , made an appointment with Liberty HD, in N.J. (I live on Long Island). They had the bike about 1 day, and have ordered a new fuel pump, (under warranty pump failure). They said a couple weeks to get one.
I chimed in, cause it seems like a similar problem. If i had to fix it myself, I would check all wires on the outside first, then I would check the fuel pump relay , (if its bad, it could increase the current draw enough to blow the 10 amp fuse), then I would pull the pump, and check what I could inside.
Just suggestions, I hope you get it goin.
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Loves_to_ride
Posted on Sunday, July 11, 2010 - 05:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

i just went through the same thing. mine is an '09 ss. was in the dealers for 4-5 weeks. they first replaced the ecm...that didn't work and then the fuel pump. [steps according to their protocol they said] got the bike last tuesday and have put 200 or so miles w/no problems. fuel pumps are REAL HARD to come by. i think next delivery date from the factory is sometime around the end of august. my dealer [ pensacola hd] looked until they found one in cal. good luck!!!
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Ducbsa
Posted on Sunday, July 11, 2010 - 07:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

pulled out the pump

Did you use a puller or did you just use your fingers?
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L8_br8ker
Posted on Tuesday, July 13, 2010 - 11:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

to pull out the pump....(this is what I did)
1)had to remove my drummer muffler, so I could jack up the engine, lifting the rear wheel aprox 6 inches.
2)remove the fuel pump fuse, and turn on the ignition switch, hit the starter button, to empty the fuel from the pump. (the bike will let you know when theres no more fuel, it wont run)
3)loosen the rear axel, (about 20 turns, or just enough to where the belt tension is backed off a bit(drive belt fairly loose)
4)remove the footbrake side rearset, and leave it hanging (so that the brake line to the rear is not being pulled on.
5)jack the engine up 5 or 6 inches, with a motorcycle jack
6)remove the small brass plug in the fuel pump, ( have a funnel in place, this will empty the fuel tank)
7)remove the 4 bolts on the fuel pump, and use one of the screws in that threaded hole in the middle of the pump, (its used to remove the pump)
8) wiggle out the fuel pump (I used my fingers and one of the mounting screws put in that center hole in the pump plate)

only thing to be careful with is the 2 o rings around the pump, they need to be greased, and treated carefully when you slowly and carefully re- install the pump.

I hope this helps you, its not directly from my shop manual, but it worked just fine for me.
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