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Which Open Primary?

Discussion in 'Dyno Runs' started by Big Ron, Dec 16, 2008.

  1. Big Ron

    Big Ron Well-Known Member

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    Thanks guy's for the feedback.

    Staffy, question? Have you ever had your pants leg or chaps caught in that Karata. Hell has anyone else for that matter. Got to ask cause I ain't ever rode with an open belt.
     
  2. Moespeeds

    Moespeeds Well-Known Member

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    I've had no issues with my Ultima, and it gets a lot of comments. The guy who made mine uses an Ultima clutch basket and custom machines the rest. He can do any offset. My buddy got his pant leg caught when riding mine one night and it tore up his jeans. I have little clips on my boots that keep my pant leg from flapping around. I also have extended forward controls which helps a lot.

    [​IMG]
     
  3. Staffy

    Staffy Active Member

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    Ron,
    I have not had any trouble with pants/chaps. Have heard similar concerns before but that's a myth to me (so far):lol: :lol:

    Just appears "dangerous" but in my opinion its perfectly safe - just don't drink and drive :lol: :lol:
     
  4. dogvet

    dogvet Banned

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    Whatever you run, get something with the outboard support bearing. Your tranny will thank you.
     
  5. waykool

    waykool Banned

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    You are correct. It is a BDL and yes it's not quite 4". Its 14mm by 85mm wide (3-3/8”).

    Here is the info if you are interested in this style.

    [​IMG]

    BDL Top Fuel 1000 Belt Drive
    Catalog # BDL TF-1000 (Year 1990 to 2006) (Belt BDL-14-85)
    Description:BDL’s new monster (ALL BILLET) “TOP FUEL STREET DRIVE” is ready for action. The all-new 14mm by 85mm wide (3-3/8”) belt is the same that the Top Fuel racers use on the 600-plus-horsepower machines.
    The newly designed Kevlar clutch consists of varying spring pressure to accommodate any size motor on the market. The all-new hub is made from 7075 aluminum and then hard-anodized for superior strength. We offer two kits, both of which are designed for oil filter mounting in the motor plate. The TF-1000 is the complete drive with side guard. The TF-2000 is the complete drive with outboard bearing support. The outboard support plate is reversible. The back side is channeled for another distinct look, but just the flat side will be polished.
    Made in the USA

    DB2 Outlet Transmissions,Motorcycles
     
  6. Staffy

    Staffy Active Member

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    That BDL will not work for you (K9 '07) - you will need a primary for RSD....not too many out there. Have you taken the plunge...it's the holidays you need to treat yourself, and treat yourself well :up: :up:
    (do the Karata gig - been there, done that - now HAPPY STAFFY)
     
  7. Raywood

    Raywood The Pirate
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    Ron, just make sure you understand that your bike requires a specific primary designed to fit the Baker RSD DSSC system. All these posts showing primaries for 04 and older bikes won't fit yours.

    I rode with Salior in Arizona earlier this year and he had the Baker open primary (he had it chromed) and I was really suprised in how quiet it was. The noise is one of the issues I have with open primaries but a lot of it is related to the clutch.

    Here is a thread on three different brands that will fit your bike.
    http://www.bigdogbiker.com/forums/drive-train/2118-rsd-open-primary-help.html

    :cheers:
     
  8. Big Ron

    Big Ron Well-Known Member

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    Haven't bought one yet. Thanks all for the feedback. Right now I have eight months left on my warranty. I am going to run that out first then I will probably do it after that. Right now I'm looking hard at the Baker polished with black bone bearing support but going with the Baker is not set in stone. I only want to do it once and I want to do it right. I have not heard the Baker setup before but have heard a few Karatas and one other that I can't remember for sure if it was a BDL or something else.

    Raywood, thanks. I will have to check with BD and Baker and hear what they have to say on fit and model number.

    Take care and have a wonderful Christmas all.
     
  9. Raywood

    Raywood The Pirate
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    Hey, contact Sailor on here also and ask him anything you want. He has the complete setup and had it chromed too. It's very quiet. I think that Karata system is very clean looking also!

    Merry Christmas
     
  10. Moespeeds

    Moespeeds Well-Known Member

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    Is the only difference for RSD the offset, or is the tranny shaft different? If it's just the offset, it's only a matter of machining the motor plate?
     
  11. Raywood

    Raywood The Pirate
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    Moe, your bike is basically a regular HD unit except for the ofset. The 05's were introduced with the Baker DSSC system which places the starter not on top of the tranny but behind it hence the different looking primary covers.

    The Baker unit allows you to change out the starter externally. The HD system requires you to remove the primary cover to change the starter.

    The Baker DSSC is very different from the HD style unit.
    Here is the DSSC:
    [​IMG]

    And here is the Harley style unit:
    [​IMG]
     
  12. bruce

    bruce Active Member

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    I just installed a 4" KRATA open primary. i did it myself and it was pretty straight forward. I like the aluminum because it is fixable, if you nick it you can buff it out. I only road it a couple block because it is 30 degree here, but only noises I hear was whining from the belt, which I am going to check but I am pretty sure is normal, I did get outer bearing support.
     
  13. Loafington

    Loafington Active Member

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    Bruce,
    Do you have any pictures?
    If you could change anything with the unit, what would you do?
    What was the most difficult part of the install (if any?)

    Thanks
     
  14. Lone Dog

    Lone Dog Motorcycle Junkie

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    Here is the Karata 4" I love it!

    [​IMG]

    [​IMG]
     
  15. Slider

    Slider Active Member

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    I nicked my 3 inch primo clutch basket cover enough to not go any wider. Have to send it outta state to get the billet rechromed $$. I don't make left turns anymore
     

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  16. Moespeeds

    Moespeeds Well-Known Member

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    Run an OBS for sure. Are those Harley rotors?

    So Ray if you changed to an old style starter, could you use any belt drive? Or is the tranny in a different position? Looks like the top cover on the tranny might interfere? Not trying to be a pest, just curious.
     
    #36 Moespeeds, Mar 30, 2009
    Last edited: Mar 30, 2009
  17. LARS

    LARS sippin & cruzin

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    I gotta get an open primary!!!!!!I'm thinkin Karata????
     
  18. chaingunner

    chaingunner Guest

    I want to get one next year, thinking the Karata 3", any one tell me what the standard is to keep your pant legs out of these brutes? I've only heard stories....
     
  19. waykool

    waykool Banned

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    That’s Bull! :down: Unless you have bell bottoms on. :D
     
  20. chaingunner

    chaingunner Guest

    Sweet, I kinda thought that....but didn't want to discard it and be the one ass with out one pant leg.... :)
     

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