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Help FZX250 Zeal Air Filter Replacement

Discussion in 'Yamaha 250cc In-Line 4's' started by mmmcorona, Nov 4, 2020.

  1. mmmcorona

    mmmcorona Member

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    Hi there,

    Wondering if anyone has tips on an air filter that could be used as a replacement for the FZX250 Zeal?
    Looks like it is impossible to find any genuine, and have no clue on after market.

    All I've seen so far was someone's suggestion of making one from the larger Hiflo HFA4603 or HFA4403 filter. If anyone has done something similar, any chance of getting some advice on doing this?

    Thanks
     
  2. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  3. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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  4. mmmcorona

    mmmcorona Member

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    Thank you so much @GreyImport and @Andych! That's such a massive help!

    Question: on one of the pages it said the 3TJ-14451-00 fits an FZR400 as well. Would that mean others that fit the FZR400 would also fit the FZX250? Sorry, very new to all of this.
     
  5. Cj Ryder

    Cj Ryder Member

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    Always wondered if it would be better to skip the whole air box [​IMG]
    And replace them with carburetor fitted air filters [​IMG]


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  6. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    NO :minigun:
     
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  7. thebeefsalad

    thebeefsalad Well-Known Member

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    Air box resonance is a good thing.
     
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  8. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    If you wish your bike to loose power and never run right again- then go right ahead but don't say your were never warned.
     
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  9. Cj Ryder

    Cj Ryder Member

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    Seriously never?


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  10. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    Yep... NEVER but if you want to try and prove us wrong... go for it...
    A word of caution though.... .you appear to have trouble getting 4 spark plugs that are the same so I personally would put fine tuning and re-jetting 4 intricate carbys into the too hard basket and just concentrate on getting the bike to run in standard trim.
    Just my 2 cents worth..
     
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  11. Cj Ryder

    Cj Ryder Member

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    Makes sense thanks


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  12. Cj Ryder

    Cj Ryder Member

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    By hard basket you mean the starter jet and main screwed In tight?[​IMG]


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  13. Cj Ryder

    Cj Ryder Member

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    When I cleaned them I just screwed the main jet and starter jet well screw tight and the pilot jet 2 and a half turns and the fuel mixture jet well 3 turns last attempt it made a clean whoosh sound every crank with the air box and tank on and the leaky petcock


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  14. thebeefsalad

    thebeefsalad Well-Known Member

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    start, pilot, and main jet gets screwed all the way in every time. air/fuel mixture and idle screw is what gets the adjustment to fix idle issues, outside of that you will change values of start/pilot/main jet, needle position/shape. Without mods stock jet sizes/baseline settings should get you a decent idle, assuming the rest of the bike isn't as clapped out.
     
  15. Cj Ryder

    Cj Ryder Member

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    The throttle is very sticky too many people touching the bike when it’s dirty now it sticks in full throttle position if I twist it i might spray the rest of the last bottle of wd40 over it
     
  16. Cj Ryder

    Cj Ryder Member

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    Ok weird but the air box manifolds don’t fit to the carbs I tried pushing and yanking even removing the rings completely I might run it with out the air box to get it started tho while the bike is in the make shift stand when I yanked the throttle last attempt with the woosh sound from the carbs the battery gave out I hope there isn’t any leftover gasoline that needs draining I might just unscrew the switch on the stand


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  17. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    @Cj Ryder Please use punctuation, you're giving us a headache and this isn't Twitter.
     
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  18. Cj Ryder

    Cj Ryder Member

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    Ok, I’ll definitely start practicing punctuation. I’ve reread my posts, and I seem to see why you guys get confused, when I’m trying to explain a certain problem and run on to the next. Thanks for that


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