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Project My Fizzer

Discussion in 'Your 250cc Projects' started by GreyImport, Sep 24, 2012.

Page 36 of 57
  1. Willrcr15

    Willrcr15 Well-Known Member

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    Christmas is coming, I'll put it to the test while I'm doing nothing, 2 weeks off, can't wait.
    While we're back on carbies, My latest nightmare the CB250na 1980 model that wont rev, seems it's the float levels. Non adjustable floats, moulded plastic, got to be in awe of the Jap engineers to be so confident to get that right, which they are.
    Anyway we just flexed the floats plastic to get some adjustment & we gained 16mm in the fuel height. We measured the floats off the mating faces before we put them back together & they were about 2mm different to before. so 2mm on the floats gave us 16mm more fuel in the bowls. Too much of course but surprised to see the large effect. Now she revs but only initially. Carbs back out on the weekend to set right to 15.5mm
     
    Willrcr15, Nov 27, 2014
    #701
  2. Oz_gone

    Oz_gone Member

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    G'day all :D

    Just spent a very interesting two hours reading this thread!
    My 3LN1 has exactly the same problem as Greyimport.
    I get chugging on hills and if I don't rev big on pulling away at lights.
    I'm also two up with the missus quite often which adds to the revs issue.
    I've also had the idle issue where the throttle does fk all!

    So I've ordered both carb kits from litetek and I'm wondering if these following parts can / should be used for the 3LN1 and whether after all you guys hard work...It all came down to the float heights and the O ring?

    http://www.ebay.com/itm/GENUINE-YAM...pt=UK_Motorcycle_Parts_13&hash=item5416721485

    http://www.ebay.com/itm/261789680568?item=261789680568&viewitem=&vxp=mtr

    http://www.ebay.com/itm/Carburetor-...pcs-/261789682900?hash=item3cf3e18cd4&vxp=mtr

    Also, is it worth getting a set of iridium plugs?

    http://www.ebay.com/itm/NGK-4218-Iridium-Spark-Plugs-CR8EIX-4-PCS-NEW-Made-IN-Japan-/151358313324?pt=Motors_Car_Truck_Parts_Accessories&hash=item233da8936c&vxp=mtr

    Thanks guys!


    10945585_10152990188891154_65070168790934442_n.jpg
     
    Oz_gone, Mar 19, 2015
    #702
  3. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    maelstrom, Mar 19, 2015
    #703
  4. Oz_gone

    Oz_gone Member

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    Oz_gone, Mar 19, 2015
    #704
  5. Grasshopper

    Grasshopper Well-Known Member Dirty Wheel Club

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    The float needles already come in the main kit if you have ordered those...
     
    Grasshopper, Mar 19, 2015
    #705
  6. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Linkin, Mar 19, 2015
    #706
  7. Oz_gone

    Oz_gone Member

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    Yes 3LN1 carbs ;)

    I've now ordered the Litetek kits and all four repair and parts kits so should be sweet + have some double ups in the rubber department.
     
    Oz_gone, Mar 19, 2015
    #707
  8. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    There is a guide here for BDST carbs from a 400. Not identical to the 250 but take lots of photos first before pulling apart.
    http://litetek.co/Guide_MikuniBDST_Rebuild.html
    You will also find assembly details under each part on my web page.
    cheers
    Blair
     
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    maelstrom, Mar 19, 2015
    #708
  9. Oz_gone

    Oz_gone Member

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    Awesome, thanks Blair ;)
     
    Oz_gone, Mar 19, 2015
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  10. Willrcr15

    Willrcr15 Well-Known Member

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    I'm looking forward to hearing your results.
    I've got the same issues.
    Talking to the experts up here, even the coating on some needles will give problems if work off.
    I'm embarrased to say I have at least one needle in there that has rust pitting on it from sitting in nwater from the previous owners.
    I'll be getting those carby kits soon, already got the Litetek kits in her.
     
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    Willrcr15, Mar 19, 2015
    #710
  11. Oz_gone

    Oz_gone Member

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    Is your Fizzer in original Marlboro livery or did you buy a kit?

    I think they look great btw ;)

    Also sent you a pm but not sure if I sent it correctly...
     
    Oz_gone, Mar 21, 2015
    #711
  12. Willrcr15

    Willrcr15 Well-Known Member

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    Anythings possible, I'm not real sharp on how these sites work, I thinki I might have replied tp a PM ??
    The Marlboro is a Chinese kit. I ended up using the front half & re painted the original rear half. The chinese rear end didnt fit & the bit over the tail light was up side down, not funny at the time. Both the kids ride it & looks the part. Oh, & repainted the tank.
    She was bought for the kids to learn on along with a NSR 150 & in a year or 2 we'll strip her down & do a full restoration
    What about yours, where did the colours come from?
     
    Willrcr15, Mar 21, 2015
    #712
  13. kiffsta

    kiffsta Senior Member

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    No, you posted on his profile, PM;s here are called conversations, click on members name and click on start a conversation :thumb_ups:
     
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    kiffsta, Mar 21, 2015
    #713
  14. Oz_gone

    Oz_gone Member

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    I was led to believe it was a production color but maybe it was a previous owners idea. The color is on the money tho. Bright orange / red and correct logotypes. I'm an ex smoker but I love my Marlboro Fizzer :D
     
    Oz_gone, Mar 21, 2015
    #714
  15. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    My Bike:
    *Kawasaki ZXR250C *Yamaha FZR250R 3LN1 *Yamaha FZR400 *Triumph Bonneville 750 T140V *Triumph Daytona 675 *Triumph Tiger 800XC
    So back on topic :D

    The old Fizzball has been sitting in the shed collecting dust for awhile now so its time to do the things required to get it back up to scratch

    Oil and filter change ... in with the Delo 400
    New racing clutch to coincide with change of oil type
    Pull apart thermostat to fix the leak
    Change front sprocket to stock 17 toother
    A few new parts for the original carbs ..... sadly new needles and tubes arnt in this years budget forecast
    Even get the main fairings on ..... well a set of 'Virgins' that is ..... thanx to @Linkin for the 99 year lease on his spare set


    fizzball.jpg thermo.jpg clutch kit.jpg virgin.jpg
     
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    GreyImport, Mar 26, 2015
    #715
  16. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Looks good. Colour seems to match up OK
     
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    Linkin, Mar 26, 2015
    #716
  17. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    Not gonna be flying around on a half arsed street fighter anymore? Lol. Looks tops gi. I'm attacking my dust collection on saturday
     
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    Th3_Huntsman, Mar 26, 2015
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  18. Revolver

    Revolver Big Member Premium Member

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    So Im not the only one with a virgin any more?
     
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    Revolver, Mar 26, 2015
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  19. Phil

    Phil Senior Member Contributing Member

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    Apparently not, becoming common place on the Forum.:thumb_ups: They do look good :cool:
     
    Phil, Mar 26, 2015
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  20. Grasshopper

    Grasshopper Well-Known Member Dirty Wheel Club

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    Hmmm, that's definitely not a virgin going to ride that Virgin.....:D

    I'm still a half arsed street fighter, non-virgin until I spray my fairings...:lolsign:
     
    Grasshopper, Mar 27, 2015
    #720
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