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Kyosho Ultima RB6 & RB6.6 Car Thread

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Kyosho Ultima RB6 & RB6.6 Car Thread

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Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 01-25-2013, 06:24 PM
  #4726  
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More pics! lol

Jared Tebo and Hara's Rb6 are in here.. along with some other drivers' buggies.
http://gallery.neobuggy.net/2013Race...1846&k=JWvpvPk

interesting.. looks like Hara is running a shorty lipo sideways like fastestwon
Last edited by BranVita; 01-25-2013 at 10:05 PM.
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Old 01-25-2013, 07:14 PM
  #4727  
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Anyone heading out? I am on sunday, just wondering what a good time to go would be. Not trying to be there all day.
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Old 01-25-2013, 09:20 PM
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Originally Posted by BranVita
More pics! lol

Jared Tebo and Hara's Rb6 are in here.. along with some other drivers' buggies.
http://gallery.neobuggy.net/2013Race...1846&k=JWvpvPk

interesting.. looks like Hara is running a shorty lipo sideways like a previous user(sorry forgot your name :P) but with custom mounts...
They forgot to swap out the SP to HW labels
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Old 01-25-2013, 09:43 PM
  #4729  
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anyone know the part number for the kyosho single hole rear A-arms that were sometimes used on the RB5?
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Old 01-25-2013, 10:02 PM
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Originally Posted by BranVita
More pics! lol

Jared Tebo and Hara's Rb6 are in here.. along with some other drivers' buggies.
http://gallery.neobuggy.net/2013Race...1846&k=JWvpvPk

interesting.. looks like Hara is running a shorty lipo sideways like a previous user(sorry forgot your name :P) but with custom mounts...
that would be me running short pack sideways
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Old 01-25-2013, 11:51 PM
  #4731  
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Certainly planning on trying the RB5 WC rear arms etc.

More so if they aid rear traction
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Old 01-25-2013, 11:53 PM
  #4732  
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Originally Posted by steam
anyone know the part number for the kyosho single hole rear A-arms that were sometimes used on the RB5?
LA521-1 I believe
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Old 01-26-2013, 02:21 AM
  #4733  
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Close, its UM521-01
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Old 01-26-2013, 03:00 AM
  #4734  
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are those yellow avid front springs on hara's car
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Old 01-26-2013, 08:22 AM
  #4735  
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What is the deal with running the wc rear arms?
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Old 01-26-2013, 08:25 AM
  #4736  
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Originally Posted by Dale.0
What is the deal with running the wc rear arms?
They suppose to give you a little more traction that the RB6 rear arms...the question is, do you have to adjust the length of the rear shocks when you make the switch and if so what is the better way...I am guessing by changing the ball ends with the medium ones?
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Old 01-26-2013, 08:52 AM
  #4737  
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On the arm topic. On the b4.1 I run the rear b44.1 arms because they are softer, giving a little bit better traction at my track. But don't know if its optimal at all tracks tho.
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Old 01-26-2013, 09:01 AM
  #4738  
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I think I'm tempted to try these at TORCH tomorrow, which will be wet etc.

Mid motor config, damp wet astro
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Old 01-26-2013, 09:03 AM
  #4739  
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Originally Posted by gelshocker
They forgot to swap out the SP to HW labels
Hara isn't sponsored by either SP or HW. He runs what he wants. Same with the RB6 and running the Durango in 4wd. Runs what he brungs :P
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Old 01-26-2013, 11:40 AM
  #4740  
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PIc of Hara:

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