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Fuel Pressure Regulator

Discussion in 'XJ Technical Chat' started by xjyamaha, Oct 21, 2016.

  1. xjyamaha

    xjyamaha Member

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    The fuel pressure regulator on my 650 Turbo is in poor shape; I can see rust on the interior. Has anyone ever been able to dismantle one and "refurbish" it?
     
    xjyamaha, Oct 21, 2016
    #1
  2. Toomanybikes

    Toomanybikes Well-Known Member

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    Ask "Hogfiddles "and "K-moe "they are well versed on turbo bikes
     
    Toomanybikes, Oct 21, 2016
    #2
  3. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    I am ?

    Not that well versed. When it comes to the turbos I'm a service-manual mechanic at best.
     
    k-moe, Oct 21, 2016
    #3
  4. Toomanybikes

    Toomanybikes Well-Known Member

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    Sorry but you are a wealth of knowledge about many things I assumed you spoke turbo as well
     
    Toomanybikes, Oct 21, 2016
    #4
  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Only about the big picture things. I've never had a Turbo Seca in my garage, nor have I ridden one.
     
    k-moe, Oct 21, 2016
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  6. Toomanybikes

    Toomanybikes Well-Known Member

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    Missing quite a treat riding a turbo bike lots of fun in high mountain passes when most bike start to suck wind the turbo ones get faster. First one I rode was in 82, a CX500T had better top speed over 4500 feet and climbing the hills was a rush that felt like you were on level road. I even have the owners manual ,dealer literature book and shop manual
     
    Toomanybikes, Oct 22, 2016
    #6
    k-moe likes this.
  7. ManBot13

    ManBot13 Well-Known Member

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    I totally agree with this! Going up a mountain, you can totally load the turbo up without exceeding all speed limits (mine is happiest on a flat with about 3psi in top gear doing over 80)

    As far as I know, the regulator isn't disassemblable. I refurbished everything in the fuel system that I could on mine, and that was one thing I had to test and let be. I even installed a fuel pressure sensor just to catch the possibility of a failure. It's a glow shift (cheapy) but is electronic and gives a clear 2psi reading at idle/no boost (unless you forget to open the fuel valve or run out of gas...) and outpaces my boost gauge by 2psi consistently (as consistently as I can stare at that while blasting down the road under boost :rolleyes:).

    The only option I know is to purchase another one that regulates to 2-psi or is adjustable so you can get that mark.
     
    ManBot13, Oct 24, 2016
    #7

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