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Thread: gravity fuell delivery scarabeo 150, any tips?

  1. #1
    apriliaforum newb solaprillia's Avatar
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    gravity fuell delivery scarabeo 150, any tips?

    Any advice on gravity feed fuel for 2001 scarabeo ,just replace w shutoff valve,? Take off vac pump plug?

  2. #2
    apriliaforum expert
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    get a new vacuum valve they are not that expansive
    and the shutoff valve will overflow the carb because the float is not strong to resist a full tank of gas

  3. #3
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    put electric pump youre carb has fuel cut solenoid

  4. #4
    apriliaforum Member Pinkscoot's Avatar
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    The problem with gravity flow is that the bottom of the tank is below the carb so you won't get much flow the last part of the tank. Lots of threads here about the electric pump. I just pulled all of the hoses off of the vacuum except the fuel pump and it starts and runs fine. I think the problem is that it has a pump and a vacuum petcock as well as all of the emissions crap pulling on the same vacuum and the pump doesn't get what it needs.
    Italian scoots owned: 2003 Scarabeo 150, 1998 Italjet Velocifero, 2009 Vespa GTS 250, 2012 Vespa S50, 2007 BV 250, 1977 150 Sprint Veloce (future project) and Vespa ET2 (future project)

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    Yep, all the emission equipment has made these scoots basically unsafe to drive.

    Remove it all and life gets better.

    Vernon

  6. #6
    apriliaforum newb solaprillia's Avatar
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    Click image for larger version. 

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ID:	367297fresh paint ,new seat, crome triminz,goter on the rd! Only 3000MI ON 2001 150
    Running peeeeerfect! Thank you all!

  7. #7
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    and this bike is wer?

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    apriliaforum newb solaprillia's Avatar
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    State of jeferson southern oregon! Why?

  9. #9
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    just curious theyres a s500 out that way i need go get ..

  10. #10
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    The correct Fuel pump to use on our ORIG BEO's is from a Honda NP 50 a lil electric str8 thru pump 20 bux honda np folk have no posts of them going bad etc it is small has correct barbs built into case . panduit strap can hold it anywhere . . And the correct water pump to be using is the EU Version ONLY str8 thru design NO hose alterations .. no need to fool with mech. pump or impeller unless seals leaking Called a Malossi Str8 thru electric water pump Tiny...https://www.amazon.co.uk/MALOSSI-ENE.../dp/B0074JDM78

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