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Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech Forums Thread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
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Last edit by: tobamiester
RB6.6 Kyosho America Product Page: http://www.kyoshoamerica.com/ULTIMA-...T_p_24505.html

RB6.6 Manual http://www.kyosho.com/jpn/support/in...A_RB6_6_IM.pdf

RB6.6 Kyosho Youtube https://www.youtube.com/watch?v=vW_sR667utY

MSRP $639 MAP $399.99

-------------------------------
New RB6.6 parts (compared exploded views, prices and links are Kyosho America):

Chassis:
  1. Main chassis - UM731 - $125.99
  2. Side guards - UM732 - $9.99

Battery Holder:
  1. Battery plate - UM733 - $8.99
  2. Battery foam - UM741 - $7.99

Rear Bulkheads:
  1. MM3 and Laydown - UM740 - $9.99
    • MM3 bulkhead
    • Laydown bulkhead
    • Swaybar Holders

3 Gear Transmission (MM and RM):
  1. Transmission - UM734 - $10.99
    • transmission cases
    • spacers
    • caps
    • plastic FR & RR suspension hangers

  2. Gear Cover - UM735 - $6.99

Laydown Transmission (3 and 4 gear possible):
  1. Transmission - UM736 - $10.99
    • transmission cases
    • spacers
    • caps
    • required extra hardware
    • pastic FR suspension hanger

  2. 40T idler - UM737 - $6.99
  3. Motor plate - UM738 - $18.99
  4. Gear cover - UM739 - $6.99

Body:
  1. Blade body - UMB05 - $27.99

Optional Parts:
  1. Lightweigt Blade body - UMB05LW - $31.99
  2. Aluminum FR suspension hanger - UMW705B - $28.99 (may be able to file UMW705 to fit)
  3. Brass FR suspension hanger - UMW725B - $30.99 (looks more different than UMW725..someone confirm?)

Typical Upgrades for new RB6.6 Buyers

UMW701 Aluminum Steering Plate (RB6)
UMW702 Aluminum Crank Arm (RB6)
UMW704-0 V2 Aluminum Rear Hub Set(0/RB6)
UMW705B Aluminum Rear Sus. Holder (RF/RB6.6) or brass UMW725B
UMW707 Aluminum Rear Sus. Holder (RR-Mid)

Nice to have:

UMW723 Aluminum Front Sus Block (Type B/10g/RB6/RT6/SC6).


Aftermarket Parts:

Front Wing: https://www.prolineracing.com/perfor...mount-alum-rb6

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Old 04-07-2013, 04:01 PM   #6091
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Sounds like gear mesh to me
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Old 04-07-2013, 05:01 PM   #6092
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i have a very clean loaded rb6 for sale if anyone wants it. thanks Chris
Chris where did u get the chassis protector
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Old 04-07-2013, 06:21 PM   #6093
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Hey guys I have question. Does the RB6 out of the box drive and handle as well as the RB5 fully hopped up? I'm getting back into 2wd buggy and want the best to start back. After buying the kit and electronics I want to be where I left off, or better than the RB5 I had. Ill just be broke after. No hop ups for a while...What do you guys think??
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Old 04-07-2013, 06:34 PM   #6094
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Anybody use JC mono wheels on their buggy? Just wondering what fitment and how close the offset is.
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Old 04-07-2013, 06:58 PM   #6095
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The fronts will rub on the spindle but rears will work fine with serrated wheel nuts but they are 1mm narrower making the whole rear end 2mm narrower. Unless you have stock on jconcepts monos just use Kyosho wheels, they are far better quality and not much more expensive.
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Old 04-07-2013, 08:14 PM   #6096
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Originally Posted by slashdog View Post
Hey guys I have question. Does the RB6 out of the box drive and handle as well as the RB5 fully hopped up? I'm getting back into 2wd buggy and want the best to start back. After buying the kit and electronics I want to be where I left off, or better than the RB5 I had. Ill just be broke after. No hop ups for a while...What do you guys think??
Yes it does, and you can make it drive how you want with various setups. RB5 got pretty figured out, and Im sure the RB6 will also, but out of the box its good.
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Old 04-08-2013, 06:14 AM   #6097
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Originally Posted by Life_livin View Post
The fronts will rub on the spindle but rears will work fine with serrated wheel nuts but they are 1mm narrower making the whole rear end 2mm narrower. Unless you have stock on jconcepts monos just use Kyosho wheels, they are far better quality and not much more expensive.
I've used a few of my old sets, typically they barely rub and after one pack, then spin free. Rears are no problem at all. The AKA rears need a low profile nut as well, they don't leave many threads to use.
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Old 04-08-2013, 09:21 AM   #6098
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the rb6 is a better car then the 5 as imo.. great right out of the box.. the only hop up that i would get asap is the front wide suspension hanger in aluminum.. and personally thats it. the rear arms that come stock alot of guys switch out but the car is better on the gullwing(6) arms I have a basic setup on the petitrc forum which is a great easy to drive starting point.. you will not be disappointed with this car
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Old 04-08-2013, 09:27 AM   #6099
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How are the Proline Velocity wheels holding up? 2wd buggy fronts and buggy rears? Thx
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Old 04-08-2013, 09:32 AM   #6100
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How are the Proline Velocity wheels holding up? 2wd buggy fronts and buggy rears? Thx
It's all I run and they hold up fine.
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Old 04-08-2013, 10:56 AM   #6101
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Originally Posted by kwiksi View Post
Anybody use JC mono wheels on their buggy? Just wondering what fitment and how close the offset is.
I have 8 sets of the rears and around 2-3 of the fronts. Best wheels for me. They scratch up less than the factory ones and are the same offset. The rears need a low pro or a serrated lock nut but they don't come off easily and hold glue really well with that small lip on the outer sides.
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Old 04-08-2013, 10:58 AM   #6102
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Thanks
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Old 04-08-2013, 11:00 AM   #6103
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Originally Posted by eper View Post
the rb6 is a better car then the 5 as imo.. great right out of the box.. the only hop up that i would get asap is the front wide suspension hanger in aluminum.. and personally thats it. the rear arms that come stock alot of guys switch out but the car is better on the gullwing(6) arms I have a basic setup on the petitrc forum which is a great easy to drive starting point.. you will not be disappointed with this car
Thanks man..
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Old 04-08-2013, 11:02 AM   #6104
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Originally Posted by K_King View Post
Yes it does, and you can make it drive how you want with various setups. RB5 got pretty figured out, and Im sure the RB6 will also, but out of the box its good.
Thanks, preciatecha
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Old 04-08-2013, 12:20 PM   #6105
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does anyone know.. in a pinch, would a losi 22 diff work in an rb6? I dont know what my problem is but I keep breaking off the ears in the diff nut when tightening, and I dont even tighten it that much!
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