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Pinned FZR250 3LN1 carb service and tune

Discussion in 'Yamaha 250cc In-Line 4's' started by Oz_gone, Apr 2, 2015.

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  1. Oz_gone

    Oz_gone Member

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    Ha! Me too bro.

    Really, we should stop worrying and be free to be cunny funts :)
     
    • Like Like x 1
    Oz_gone, Apr 14, 2015
    #61
  2. Oz_gone

    Oz_gone Member

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    ITS ALIVE!

    We got it back together and now I'm going for a fkn ride!

    Will update on the tribulations shortly :neo:
     
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    Oz_gone, Apr 14, 2015
    #62
  3. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    You'll love it... I did. If you're only in surry hills we should catch up before I move out of Sydney. Keen for a ride down the national park this week?
     
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    Linkin, Apr 14, 2015
    #63
  4. Oz_gone

    Oz_gone Member

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    My Bike:
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    Just went for a two-up blat up the M4 and back on the M7. 90K round trip. Bike went like a rocket! :crazypilot:
    What a difference pulling away from the lights...No more screaming revs and slipping clutch.
    Ticks over at about 2k...Could do with a little less maybe.
    The float levels aren't set to an even level yet but the new float jets and viton seats mean a lot less juice so no more flooding at low revs.
    Used a cut up pair of stockings and cable ties instead of the one way filters that ere breaking up and ending up in the diaphragm housing.

    Thanks for all the input, ideas and previous research...Couldn't have done it without 2fifty crew...Or Electric Stu :D

    11146240_10153155009431154_4309245201057613060_n.jpg
     
    • Like Like x 8
    Oz_gone, Apr 15, 2015
    #64
  5. Oz_gone

    Oz_gone Member

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    Just as an aside...I now have a spare set of 3LN 1 carbs. Came from a bike in WA.
    Just wondering if anyone would be interested in them as they are, or as we are set up, as a refurbished set with Viton rubbers and new brass parts from Motorcycle Warehouse.

    $250 as they are or refurbished negotiable :party:
     
    Oz_gone, Apr 22, 2015
    #65
  6. Grasshopper

    Grasshopper Well-Known Member Dirty Wheel Club

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    Nice work! Yeah, they go like a rocket when working properly.....:thumb_ups:
     
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    Grasshopper, Apr 22, 2015
    #66
  7. Oz_gone

    Oz_gone Member

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    So good now!
    Very happy with the result. Definitely carb issues to begin with.
     
    Oz_gone, Apr 22, 2015
    #67
  8. Bluey

    Bluey Well-Known Member

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    Nice work !! Does it blow much smoke? Mine blows a little bit but it has been sitting for 4 years....
     
    Bluey, Apr 22, 2015
    #68
  9. Oz_gone

    Oz_gone Member

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    A little at start up...And if I give it a throttle full outside my garage to show off the F1 sound :D
     
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    Oz_gone, Apr 22, 2015
    #69
  10. Bluey

    Bluey Well-Known Member

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    Aha cool ! Can't wait to do that... At least I know mine isn't by its self blowing a bit of smoke : ) btw do you reckon our bikes would beat a ninja 250 ?
     
    Bluey, Apr 22, 2015
    #70
  11. Oz_gone

    Oz_gone Member

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    For sound alone YES!
    All those Ninjas sound like they are being throttled.
    I doubt they could keep up with the sheer acceleration from the rev range available.
     
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    Oz_gone, Apr 22, 2015
    #71
  12. Bluey

    Bluey Well-Known Member

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    Got a mate who has one, so when I get her over the pits I'll race him, and of course report live back ; )
     
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    Bluey, Apr 22, 2015
    #72
  13. Turkey

    Turkey Member

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    Where do the et tubs sit in the carb as i just recently cleaned out my cards out on my 3ln5 and couldnt find them
     
    Turkey, Jul 4, 2017
    #73
  14. driftwood

    driftwood Well-Known Member

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    Mine had been sitting for >5yrs before purchase - put the seal reco into the oil (max going to valve stem seals by dropping into rocker cover screwholes when hot). Coupla rides, and I've saved 16 by ~$19 of fiddly replacements.
     
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    driftwood, Mar 11, 2022
    #74
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