1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Help Inner Carb Funnel Needed - MC22

Discussion in 'Honda 250cc In-line 4's' started by wingsup2wheelsdown, Feb 26, 2024.

  1. wingsup2wheelsdown

    wingsup2wheelsdown Member Premium Member

    Messages:
    16
    Likes Received:
    19
    Trophy Points:
    13
    Joined:
    Sep 30, 2023
    Gender:
    Male
    Location:
    Gardner, Ma, USA
    My Bike:
    2022 Triumph T100, 2022 Triumph Tiger 660, 3x 1991 CBR250RR MC22
    In the process of working on two winter projects and one of my winter projects (1990 CBR250RR MC22) had a bent funnel/velocity stack. I can't seem to locate one for sale, any recommendations for moving forward or know of a source.



    Thanks!

    20240225_184530.jpg 20240225_184536.jpg
     
    Last edited: Feb 26, 2024
  2. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

    Messages:
    10,929
    Likes Received:
    6,720
    Trophy Points:
    1,168
    Joined:
    Jun 14, 2012
    Gender:
    Male
    Occupation:
    Between a Rock and a Hard Place
    Location:
    North by NW NSW Oztralia - Tamworth
    My Bike:
    *Kawasaki ZXR250C *Yamaha FZR250R 3LN1 *Yamaha FZR400 *Triumph Bonneville 750 T140V *Triumph Daytona 675 *Triumph Tiger 800XC
    Part #16141-KAZ-000 - FANNEL AIR


    mc22 part.png
     
  3. wingsup2wheelsdown

    wingsup2wheelsdown Member Premium Member

    Messages:
    16
    Likes Received:
    19
    Trophy Points:
    13
    Joined:
    Sep 30, 2023
    Gender:
    Male
    Location:
    Gardner, Ma, USA
    My Bike:
    2022 Triumph T100, 2022 Triumph Tiger 660, 3x 1991 CBR250RR MC22
    Thanks, I have the part number but 16141-KAZ-000 and 16142-KAZ-000 don't come back to anything in stock anywhere.
     
  4. KiwiMat

    KiwiMat Well-Known Member

    Messages:
    128
    Likes Received:
    151
    Trophy Points:
    248
    Joined:
    Aug 11, 2020
    Gender:
    Male
    Location:
    Australia
    My Bike:
    89 MC19
  5. wingsup2wheelsdown

    wingsup2wheelsdown Member Premium Member

    Messages:
    16
    Likes Received:
    19
    Trophy Points:
    13
    Joined:
    Sep 30, 2023
    Gender:
    Male
    Location:
    Gardner, Ma, USA
    My Bike:
    2022 Triumph T100, 2022 Triumph Tiger 660, 3x 1991 CBR250RR MC22
  6. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

    Messages:
    3,233
    Likes Received:
    1,423
    Trophy Points:
    918
    Joined:
    Oct 1, 2013
    Gender:
    Male
    Location:
    Narrabeen, NSW Australia
    My Bike:
    Yamaha FZR250 3LN1
    Why not just straighten it, it's very soft aluminium, avoid using metal tools on it and stick to wood, thing like hammer handles and the like.
    I think you'll be surprised at how easy it is.
     
    • Agree Agree x 3
  7. thebeefsalad

    thebeefsalad Well-Known Member

    Messages:
    490
    Likes Received:
    301
    Trophy Points:
    273
    Joined:
    Feb 28, 2015
    Gender:
    Male
    Location:
    San Antonio, Texas USA
    I may have an extra set that came with the airbox. give me a day or two to get out to the garage and dig them up
     
    • Like Like x 1
  8. thebeefsalad

    thebeefsalad Well-Known Member

    Messages:
    490
    Likes Received:
    301
    Trophy Points:
    273
    Joined:
    Feb 28, 2015
    Gender:
    Male
    Location:
    San Antonio, Texas USA
    I do have an extra set. There are slight dings that may be hard to show but I can try and snap pictures if you want
     
    • Like Like x 1
  9. thebeefsalad

    thebeefsalad Well-Known Member

    Messages:
    490
    Likes Received:
    301
    Trophy Points:
    273
    Joined:
    Feb 28, 2015
    Gender:
    Male
    Location:
    San Antonio, Texas USA
    now I'm confused... All 4 stacks appear to be the same height. I swear the inner ones are supposed to be taller. There is only 1 in almost perfect shape, but it has a ding on the outside of the lip. I can throw you dimensions of what I've got and pictures to see if its what you need.
     
  10. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

    Messages:
    3,233
    Likes Received:
    1,423
    Trophy Points:
    918
    Joined:
    Oct 1, 2013
    Gender:
    Male
    Location:
    Narrabeen, NSW Australia
    My Bike:
    Yamaha FZR250 3LN1
    I have read that for racing, when people can get their hands on them, the two inner stacks are replaced with the shorter outer stacks.

    IIRC the length difference is there to assist in getting through a dip in the torque curve as the engine comes onto the cam.
     
    • Like Like x 1
  11. inchoate

    inchoate Well-Known Member

    Messages:
    107
    Likes Received:
    95
    Trophy Points:
    228
    Joined:
    May 2, 2021
    Gender:
    Male
    Occupation:
    Technician
    Location:
    Philadelphia USA
    My Bike:
    1988 MC19
    I was just in my airbox today and on an MC19 the outer and inner velocity stacks are two different lengths. looking at @GreyImports parts diagram it looks like they're all the same part on the MC22.
     
    • Informative Informative x 1
  12. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

    Messages:
    4,292
    Likes Received:
    2,508
    Trophy Points:
    918
    Joined:
    Oct 6, 2016
    Gender:
    Male
    Location:
    Albury 2641
    My Bike:
    1987 Yamaha SRX250, Honda 1974 SL125 K1, 2022 Triumph Tiger Sport 660
    That parts list shows that RRL and RRN have 2 different Vleocity stacks and RRR & RRR-2 have all 4 the same.
    I would assume there are some engine or carby etc differences to account for that as all 4 designations appear to be be for MC22. POssibly different year models...
     
    • Like Like x 1
    • Informative Informative x 1
  13. wingsup2wheelsdown

    wingsup2wheelsdown Member Premium Member

    Messages:
    16
    Likes Received:
    19
    Trophy Points:
    13
    Joined:
    Sep 30, 2023
    Gender:
    Male
    Location:
    Gardner, Ma, USA
    My Bike:
    2022 Triumph T100, 2022 Triumph Tiger 660, 3x 1991 CBR250RR MC22
    I found someone one facebook who had a set attached to a parts carb in Australia who was willing to ship them state side. I have procured a good one and now have a spare carb bank to rebuild and have ready when I need it.

    While I have folks attention. I have never played much around with Carburetors with the exemption of airplane/bendix carbs. When rebuilding the carburetors is it recommended to treat the O-rings with fuel lube or silicone grease? or assemble dry?

    This is what I am referring to. EZ Turn Lubricant | Aircraft Spruce
     
    • Like Like x 2
  14. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

    Messages:
    4,737
    Likes Received:
    2,883
    Trophy Points:
    943
    Joined:
    Mar 18, 2014
    Location:
    Sydney NSW
    My Bike:
    FZR250R 3LN6
    Usually a light coat of rubber grease. Silicone grease would work too.

    Keep in mind that most of o rings in carburettor will slightly swell after some time in contact with fuel and this is factored into the design.
     
    • Agree Agree x 1
    • Informative Informative x 1
  15. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

    Messages:
    10,929
    Likes Received:
    6,720
    Trophy Points:
    1,168
    Joined:
    Jun 14, 2012
    Gender:
    Male
    Occupation:
    Between a Rock and a Hard Place
    Location:
    North by NW NSW Oztralia - Tamworth
    My Bike:
    *Kawasaki ZXR250C *Yamaha FZR250R 3LN1 *Yamaha FZR400 *Triumph Bonneville 750 T140V *Triumph Daytona 675 *Triumph Tiger 800XC
    I use INOX .... in fact I use it for everything .... every nut, bolt, screw ,thread ,electrical or wateva

    INOX3A12-KT.jpg
     
    • Like Like x 1

Share This Page