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  1. #1
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Question Frp psi on slighly mod sho

    Does anybody knows where should i keep my Fuel Pressure Regulator's PSI. i installed it from another guys Ski and after the install my ski is going 2MPH slower and i can feel something is going on with the gas


  2. #2
    Kristian Keppel Waterholics's Avatar
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    You NEED and AFR gauge. There is no specific fuel pressure set in stone because it may vary how much fuel you may need from environment to environment. So the only way to be sure you're getting optimal performance and not running to lean is to have an AFR gauge. I highly recommend the MTX-L gauge. I just got mine and it awesome. It's a breeze to install and it works great. It's way less complicated than the LC-1 and even cheaper to.

  3. #3
    steved's Avatar
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    Quote Originally Posted by Waterholics View Post
    You NEED and AFR gauge. There is no specific fuel pressure set in stone because it may vary how much fuel you may need from environment to environment. So the only way to be sure you're getting optimal performance and not running to lean is to have an AFR gauge. I highly recommend the MTX-L gauge. I just got mine and it awesome. It's a breeze to install and it works great. It's way less complicated than the LC-1 and even cheaper to.
    Just got mine to install do you have any picture and info on the wiring

  4. #4
    Kristian Keppel Waterholics's Avatar
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    Quote Originally Posted by steved View Post
    Just got mine to install do you have any picture and info on the wiring
    It's pretty simple. Red wire to any switched 12v source, black and white wire to ground. Thats the wiring part, unless you plan on running the gauge into an external data logger. For the calibration, leave the sensor outside the manifold disconnected and power on the ski for 30 seconds or more. Take off the ski and hook up the sensor in free air while the ski is off. Power up the ski and wait till the gauge reads 22.4 or anywhere up there. When it does, power off the ski and install the sensor into the exhaust manifold. That's it. Feel free to ask any questions.

  5. #5
    gordon lasiter #328's Avatar
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    Quote Originally Posted by steved View Post
    Just got mine to install do you have any picture and info on the wiring
    +1 on the MTX-L.
    any recommendations on setting up the dial as far as amber /red zones?
    i installed the disk that came with it, but my computer only has usb plugs not the pin plug!
    where is the best 12v source for when the ski is running?
    some say a connecter under the gauges and some say off of the ecu?

    PICS WOULD BE GREAT.

  6. #6
    Kristian Keppel Waterholics's Avatar
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    Quote Originally Posted by gordon lasiter #328 View Post
    +1 on the MTX-L.
    any recommendations on setting up the dial as far as amber /red zones?
    i installed the disk that came with it, but my computer only has usb plugs not the pin plug!
    where is the best 12v source for when the ski is running?
    some say a connecter under the gauges and some say off of the ecu?

    PICS WOULD BE GREAT.
    I know 5001Craig has a picture of a 12v switched source. I got mine because the Vi-Pec has a dedicated 12v switched source and a analog wire for when you would like to data log. I will try and see if I can dig up the picture of it on the stock ecu.

  7. #7
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Anyone the link for this gauge,

  8. #8
    KamikazeGPR's Avatar
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    Quote Originally Posted by 1_Fast_SHO View Post
    Anyone the link for this gauge,
    http://www.innovatemotorsports.com/products/MTXL.php

    You can buy them new, buy it now on ebay for $177-200/shipped every day.

    http://shop.ebay.com/i.html?_nkw=inn...te+mtxl&_rdc=1

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