Yes or No, Have you had a fuel pump problem on your 990.

Discussion in 'Crazy-Awesome almost Dakar racers (950/990cc)' started by Gimme 2, May 7, 2009.

  1. alphajory

    alphajory Been here awhile

    Joined:
    Mar 28, 2008
    Oddometer:
    589
    Location:
    canada
    no problems
    #21
  2. Taurkon

    Taurkon Been here awhile

    Joined:
    Aug 9, 2007
    Oddometer:
    814
    Location:
    Calgary, Ab
    Dealer stated: Faulty fuel pump.

    I am dead positive it was the pump. I just left the tarmac and had stopped for a moment, turning the bike off. Tried to get it started again and zippo. I disconnected the fuel line and turned the bike over, and no fuel was being pumped through the line.
    #22
  3. killurtv

    killurtv free range moron

    Joined:
    Aug 26, 2008
    Oddometer:
    640
    Location:
    central oregon
    13500 miles on an 07 990- not a single problem.:rofl
    #23
  4. azkiwi

    azkiwi message in a bottle

    Joined:
    Aug 11, 2004
    Oddometer:
    9,530
    Location:
    Upstate AZ
    +1


    I've run it pretty low a few times, I usually run it down to the last ½ gallon. FWIW I make a point of filling up with Chevron.
    #24
  5. jnyrav

    jnyrav Been here awhile

    Joined:
    Apr 20, 2008
    Oddometer:
    345
    Location:
    Newport Beach
    16,000 miles, no problems with the fuel pump...
    #25
  6. AUS CRUZER

    AUS CRUZER Lets Cruz

    Joined:
    Feb 9, 2008
    Oddometer:
    2,409
    Location:
    Geelong
    NO @ 15000km
    #26
  7. Gimme 2

    Gimme 2 wheels , with nobs

    Joined:
    Mar 29, 2009
    Oddometer:
    2,174
    Location:
    still looking
    Yep i did ask and he said the psi of the unit was running too low .
    it's only now after reading some post on this site latley i realise there might be some fauty pumps out there thats what im trying to find out to see if im just the unlucky bastard or if there's a common thread to it all.
    #27
  8. Gimme 2

    Gimme 2 wheels , with nobs

    Joined:
    Mar 29, 2009
    Oddometer:
    2,174
    Location:
    still looking
    STATS SO FAR, 4 bikes out of the 21 that have put their hand up have had a fuel pump issue:dood HANG ON NEW STATS COMING IN, ................yes i am bored:twitch
    #28
  9. Vicks

    Vicks gets stuck in sand

    Joined:
    Oct 4, 2006
    Oddometer:
    3,224
    Location:
    Abu Dhabi, UAE
    fair enough.

    However, for the information of all concerned, please note that disconnecting the fuel line and turning the bike over is not the right test to check the healthiness of the fuel pump.

    The quick disconnector is not so simple as you are expecting. There is a valve in there which opens only when the male & female sides of the disconnector have "mated". Once the disconnector is taken apart, the valve closes and fuel does not flow anymore into either sides.

    If you look inside the disconnector, you will find a white colored valve. Now try to blow into this and you wont be able to. If you press the white colored valve and then blow, air will pass thru.

    I found this when i dismantled the fuel pump on my 990 yesterday.
    #29
  10. Vicks

    Vicks gets stuck in sand

    Joined:
    Oct 4, 2006
    Oddometer:
    3,224
    Location:
    Abu Dhabi, UAE
    here is a pic of the above said valve (see white plastic object insode the disconnector.....

    [​IMG]


    [​IMG]
    #30
  11. Taurkon

    Taurkon Been here awhile

    Joined:
    Aug 9, 2007
    Oddometer:
    814
    Location:
    Calgary, Ab
    Good information to know. Thanks. So, even though my test was not valid, the dealer still confirmed my problem and the new pump set me on my way... until recently.
    #31
  12. Bonkers the Dog

    Bonkers the Dog Ned Catcher

    Joined:
    May 19, 2006
    Oddometer:
    175
    Location:
    S-West Coast Scotland
    Mine packed up 2 weeks ago.

    18K mls, 06 ADV 990.

    No warning.

    Suspected contaminated fuel.

    £270 replacement on top of a £450 service!

    Not amused.
    #32
  13. tahoeacr

    tahoeacr Long timer

    Joined:
    Jan 7, 2007
    Oddometer:
    2,212
    Location:
    Lake Tahoe
    07 I got a fuel pump? 11K.
    #33
  14. tumbler45

    tumbler45 tumbler

    Joined:
    Jan 29, 2008
    Oddometer:
    100
    Location:
    Delaware
    I finally replaced my fuel pump at 31,000 miles (it is a 2007 990 Adv)

    I started having an issue at 20k. When the fuel was low (under 1 gal left) and only under hard braking or acceration the bike would stall. I still have no idea why. I delt with it for a while and tried to keep the tanks fuller.

    At about 25,000 miles I filled up one day and 15 minutes later I noticed the bike not running quite right. I did a couple hard accerations and under a heavy load the bike just fell on its face. The problem got worse and worse, 40 minutes later I could just keep up with traffic.

    I made it home and pulled the pump. The filters were brown, but did not seem to have any restriction. Teed in a fuel pressure gauge to confim the problem.

    The bike ran perfect and the stalling problem under braking went away!

    I ran the bike for 4000 miles with the gauge and never had a problem. I removed the gauge and everything was fine for the next 1000 miles. Still haven't figured that out.

    At about 30,000 miles I was out on a trip and the bike started acting up out of nowhere. Same problem, idled fine but faltered under a load. The problem came and went, but it seemed to be heat related, when I put fresh gas in it seemed to do better. Made it home and ordered a fuel pump assembly. Only 1 ride on the new pump but so far so good.

    I still don't know if it was just a filter problem or a pump problem. I did have 30,000 miles including 10,000 in Mexico. It was weird how intermittent the problem was. I decided to replace the pump, even if it was just the filters, I have put the pump through a lot of abuse and I don't want to get stuck.
    #34
  15. offroute

    offroute Been here awhile

    Joined:
    Nov 25, 2005
    Oddometer:
    357
    Location:
    Truckee/Tahoe
    2007 990 Adventure @ 19,000 miles. Lots of dirt. Mexico. No problem so far.
    #35
  16. Gimme 2

    Gimme 2 wheels , with nobs

    Joined:
    Mar 29, 2009
    Oddometer:
    2,174
    Location:
    still looking
    Thats eerrrr good to hear there mate, so no probs then?
    #36
  17. d.t vet

    d.t vet v2

    Joined:
    Apr 19, 2006
    Oddometer:
    223
    Location:
    Israel
    06,990s,55000km no problem with the pump,didnt know there are filters to clean.
    hope it stays this way:freaky
    #37
  18. dezracer

    dezracer Been here awhile

    Joined:
    Jan 3, 2003
    Oddometer:
    642
    Location:
    Las Vegas,NV.
    Mine went at 2,500 miles, Starting running with low power for about 10 miles, then fell on its face and took the main fuse with it. Had to be towed out of the woods by a 4-wheeler. Hope this new one lasts little longer than that.
    #38
  19. Heatwave

    Heatwave Obsessive-Compulsive

    Joined:
    Jun 28, 2003
    Oddometer:
    85
    Location:
    Willoughby Hills, OH
    First big trip on my 07 Duke purchased in January. 2,485 miles and the bike died. My dealer suggested cleaning the tea bag filter, but no joy. After pulling the pump motor out we determined it was seized. KTM of Grand Junction swapped me mine for the one in their demo so I could get home. I can't thank them enough.
    #39
  20. jwalters

    jwalters Farkle Proliferator

    Joined:
    Jun 26, 2005
    Oddometer:
    2,359
    Location:
    Little Marais, MN
    '08 990 with 16,000 miles, stock fuel pump still going strong.
    #40