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Open Primary

Discussion in 'Transmission / Drive' started by Dawgboy, Nov 18, 2007.

  1. Dawgboy

    Dawgboy Active Member

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    Couple of questions about the open primary. They look sweet, but...

    Does the additional weight hanging off center ruin the balance of the RSD?

    Are these drives with dry clutches more prone to service problems?

    Anyone have a horor story about getting a pant leg in one? (I suppose if you did get it caught it would get spit out of the back side of the front pulley).
     
  2. dingo

    dingo Proud to be a

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    I have the Karata Intimidator 3" open primary on my 06 K-9 for about 6 months now - http://www.karata.com/intimidatorbigdog.htm ......

    [​IMG]

    No noticable difference to bike balance - still handles great....

    Looks great and has a nice whine to it....

    I recently noticed a little clacking from the bearings when bike is in neutral with clutch handle not pulled - pull the clutch handle it goes away - dealer said nothing to worry about but let him know if it gets worse....

    Never had a problem with getting jeans caught...I wear straight legs all the time....

    hope this helps
     
  3. bdmridgeback

    bdmridgeback Low Down Chop Shop

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    The clacking you here is the clutch. The open primaries always make a bit more noise but the karata is one of the quietest on the market. It is bearing noise and I would not worry about it. I had the Karata 4" on my last Ridgeback with the outer bearing support on it. Tore up about 6 pairs of jeans on it. When you jeans get caught in it, it feels like you strapped a tie down strap around your ankle and left about 6 feet dangle. Then went out for a ride and at 50 MPH the tie trap hooks something in the road!!!:eek:

    Sounds good and with the loss of the rotating mass of the chain, the bike seems to accel a bit quicker.
     
  4. dingo

    dingo Proud to be a

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    Thanks for the confirmation, Jake ! :2thumbs:

    Chris
     
  5. Chopper Dave

    Chopper Dave SIICK!!!

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    Gas Man is going to be doing the open primary on his chop........stay tuned for pic's :whoop:
     
  6. TCALZ06

    TCALZ06 Well-Known Member

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    I want one. I like the ultima 3.5
     
  7. alhall88

    alhall88 UAW

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    Primo Rivera Brute IV on a left side drive.
    [​IMG]
     
  8. Gas Man

    Gas Man Cool isn't cheap
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    I have my RMD open belt on order... pics coming...
     
  9. WB Cycles

    WB Cycles Well-Known Member

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    Just a heads up guys, haven't been advertising this but I was set up as a Karata dealer during this year's VTwin Expo in Cincinnati. Will need to do a little diggin but if any of you are looking for them, feel free to PM me
     
  10. mudslinger

    mudslinger Banned

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    SWEEEEEEEEEEEET:2thumbs:
     
  11. Dawgboy

    Dawgboy Active Member

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    Dingo

    Like the Karata. Nice and cleen looking. Pricey? How was the install? Is it a do it yourself project?
     
  12. Dawgboy

    Dawgboy Active Member

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    Blitz,

    How long have you had your Karata? What maintenance is required on an open primary?
     
  13. CCRainman

    CCRainman Well-Known Member

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    I have the Primo Brute 4 Xtreme and love it. No more messing with primary oil.
     
  14. dingo

    dingo Proud to be a

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    Thanks, Dawgboy.

    Sorry, I do not have too much info to answer your questions.....It was on the bike when I walked into the showroom and the cost was rolled into the final number....probably was a bit pricey, but I am definitely very happy with it.:2thumbs: :D

    Dingo
     
  15. TCALZ06

    TCALZ06 Well-Known Member

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    what do you guys think of the Ultima?

    I want one that is a little more open or visible
     
  16. WB Cycles

    WB Cycles Well-Known Member

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    You looking at the 3.35" Ultima Street Style?
    http://www.ultimaproducts.com/beltdrive.htm

    I'm a dealer :2thumbs:
     
    #16 WB Cycles, Nov 20, 2007
    Last edited: Nov 20, 2007
  17. TCALZ06

    TCALZ06 Well-Known Member

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    yes, thats the one. I like the drag race style.
    Does it come in chrome? Can you PM me a price polished and in chrome?

    Also, if it doesn't come in chrome could I have it chromed?
    What is the clutch pull and operation like compared to stock?
     
  18. WB Cycles

    WB Cycles Well-Known Member

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    No clue on the actual operation, I'm confirming pricing on them now. Looks like they offer only Polished and Machine Finish per my dealer materials. I would guess that you could chrome the outer cover and caps, along with the spacers but wouldn't be able to comment on the operation after the fact.
     
  19. Gas Man

    Gas Man Cool isn't cheap
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    I think RMD is about the only company that offers one in chrome.
     
  20. Gas Man

    Gas Man Cool isn't cheap
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    Exatly... i cant wait!!!
     

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