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Main Air and Pilot Air size

Discussion in 'XJ Technical Chat' started by Arron Tate, Jun 29, 2020.

  1. Arron Tate

    Arron Tate New Member

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    Hello All,
    Newbie here :)
    Can anyone provide the size of the following jets.
    Jet, Pilot Air = 4H7-14949-45-00
    Jet, Main Air = 4H7-14928-16-00
    The numbers stamped on then are so lite / distorted there not readable.
    1982 XJ750RJ
    Thanks in advance,
    Stay Safe......
    Arron
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    from this link http://xjbikes.wikidot.com/carb-specs

    if it is a canada bike jets are different check above link

    Years & Models: 1981-3 XJ750 Maxim, Midnight Maxim, and Seca USA models
    Carb Manufacturer: Hitachi
    Carb Series: HSC32
    Carb Model ID: 15R00 (Maxim, Midnight Maxim)
    Carb Model ID: 5G200 (Seca)
    Main FUEL Jet Size: #120
    Pilot FUEL Jet Size: #40
    Main AIR Jet Size: #80
    Pilot AIR Jet Size: #225
    AIR COMPENSATOR Jet Size: #36
    Starter FUEL Jet Size: #40 (non-replaceable, in float bowl)
    Main jet NEEDLE ID: #Y-13
    Main needle JET Size: #3.2mm (the main needle JET is also known as the "power valve" or "emulsion tube").
    Fuel Level in float bowls: 3mm +/- 1mm (.118" +/- .039")
    Idle RPM's: 1,050 rpms
     
  3. XJ550H

    XJ550H Well-Known Member Premium Member

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    if you are replacing them chacal will have them he is our supporting vendor www.xj4ever.com
     
  4. Arron Tate

    Arron Tate New Member

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    Hello XJ550H,
    Thanks for the info.
    And yes its a USA 750 Saga.
    Thanks for providing the name of a vendor for replacement jets.
    Sorry but I am still learning my way around this site.
    I did find the xj4forver web page on line.

    Thanks
    Stay Safe......
    Arron
     
    Last edited: Jun 30, 2020
  5. XJ550H

    XJ550H Well-Known Member Premium Member

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    his logo in the upper right corner can be clicked, and then a conversation started with chacal about your purchase. I go through his web site .
     
  6. Arron Tate

    Arron Tate New Member

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    Hello XJ550H,

    Thanks for the info.
    Is there a place that I can find the instructions for how to bled the front brakes.
    Bike has the two calipers and the valving on both forks for the anti dive / brake system.
    82 XJ750 Seca
    Thanks
    Stay Safe......
    Arron
     
  7. XJ550H

    XJ550H Well-Known Member Premium Member

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  8. Arron Tate

    Arron Tate New Member

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    Hello XJ550H,

    Thanks for the info.

    Thanks
    Stay Safe......
    Arron
     

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