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Thread: Need help with fuel pump

  1. 12-15-2015, 11:01 AM #1
    hawaiirider's Avatar
    hawaiirider
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    Need help with fuel pump

    I have a vacuum operated fuel pump on my zuki 185. i rebuilt it but it still has issues (can see it has trouble keeping fuel in line through clear fuel filter) is there a aftermarket pump thats vacuum operated i can use? theres no new oem available and ebays used ones are junk, i tried one already.
    any help is appreciated, my bike runs fine if i hold the tank above the carb and let it gravity feed without the fuel pump system...
    Suzuki ALT 50: Skeeter
    Suzuki ALT 50: full suspension kit: the grasshopper
    Suzuki ALT 125: The Toad
    Suzuki ALT 160: Was a Quad runner 160: The Tri-Runner
    Suzuki ALT 185: The Warthog
    1979 Subaru brat: daily driver almost 400k runs strong

    NEED ALT 50 SEAT PAN
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  2. 12-15-2015, 11:08 AM #2
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    hawaiirider
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    i forgot to state i already put a rebuild kit in it and it did not work.
    Suzuki ALT 50: Skeeter
    Suzuki ALT 50: full suspension kit: the grasshopper
    Suzuki ALT 125: The Toad
    Suzuki ALT 160: Was a Quad runner 160: The Tri-Runner
    Suzuki ALT 185: The Warthog
    1979 Subaru brat: daily driver almost 400k runs strong

    NEED ALT 50 SEAT PAN
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  3. 12-15-2015, 01:32 PM #3
    Jmoozy27's Avatar
    Jmoozy27
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    Are you sure that the vacuum port isn't clogged and that it is pulling a suficient vacuum?
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  4. 12-15-2015, 02:56 PM #4
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    hawaiirider
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    Quote Originally Posted by Jmoozy27 View Post
    Are you sure that the vacuum port isn't clogged and that it is pulling a suficient vacuum?
    yes, wish it was that simple, just need to find a different pump altogether, the zuki one is obsolete
    Suzuki ALT 50: Skeeter
    Suzuki ALT 50: full suspension kit: the grasshopper
    Suzuki ALT 125: The Toad
    Suzuki ALT 160: Was a Quad runner 160: The Tri-Runner
    Suzuki ALT 185: The Warthog
    1979 Subaru brat: daily driver almost 400k runs strong

    NEED ALT 50 SEAT PAN
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  5. 12-15-2015, 02:58 PM #5
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    oscarmayer
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    well what if you took it off and went straight to the carb from the tank?
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  6. 12-15-2015, 03:47 PM #6
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    Or just got a different tank and petcock that doesn't require the pump.
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  7. 12-15-2015, 05:18 PM #7
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    danbur55
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    These tanks are below the carb by the right rear tire. Wonder if a mikuni like is used on a race kart could be used ??
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  8. 12-15-2015, 05:45 PM #8
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    hawaiirider
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    tanks too low to eliminate a pump
    Suzuki ALT 50: Skeeter
    Suzuki ALT 50: full suspension kit: the grasshopper
    Suzuki ALT 125: The Toad
    Suzuki ALT 160: Was a Quad runner 160: The Tri-Runner
    Suzuki ALT 185: The Warthog
    1979 Subaru brat: daily driver almost 400k runs strong

    NEED ALT 50 SEAT PAN
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  9. 12-15-2015, 05:51 PM #9
    RUNMEDOWN
    RUNMEDOWN is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Fuel pump for an FL250 may work
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  10. 12-15-2015, 06:12 PM #10
    bigcal
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    early Kawasaki KLT250's had vacuum pump before they went to electric. part # 49040-1002 most places say obsolete but i was able to find a few searching. might work?
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  11. 12-15-2015, 07:13 PM #11
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    El Camexican
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    One of these should do the trick.

    http://www.ebay.com/itm/Genuine-Miku...tWbsUq&vxp=mtr
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  12. 12-15-2015, 07:46 PM #12
    hawaiirider's Avatar
    hawaiirider
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    Quote Originally Posted by el camexican View Post
    one of these should do the trick.

    http://www.ebay.com/itm/genuine-miku...twbsuq&vxp=mtr
    awesome, thanks!!!!! Good lookin out im ordering it right now!!
    Suzuki ALT 50: Skeeter
    Suzuki ALT 50: full suspension kit: the grasshopper
    Suzuki ALT 125: The Toad
    Suzuki ALT 160: Was a Quad runner 160: The Tri-Runner
    Suzuki ALT 185: The Warthog
    1979 Subaru brat: daily driver almost 400k runs strong

    NEED ALT 50 SEAT PAN
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  13. 12-16-2015, 08:42 PM #13
    ponderinjunkman
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    A briggs and Stratton pump, like the vanguard v-twins use, may work too. Every mower dealer should have them, tho that mikuni looks better. I just put one of the briggs pumps on an onan powered welder- using just crankcase pulsations, it pumps well, and the pressure is not too high like the aftermarket electric pumps would be.
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  14. 12-16-2015, 09:09 PM #14
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    atc007
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    The one El posted will work. But be sure you have the vacuum line and fuel line routed UNDER the frame rail. A lot of guy srun them accidentally on top, put the seat on,wala, no fuel. Popular mistake.
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