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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 11-24-2012, 04:41 AM   #2791
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Quote:
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Lmao. I was gonna ask the same thing

Thats a good thing, LEARN from my pain....
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Old 11-24-2012, 08:01 AM   #2792
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Quote:
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Sweet! Ordered everything.
Like everything except the graphite shock towers... Too many bad memories with my B44.
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Old 11-24-2012, 09:19 AM   #2793
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Quote:
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Lmao. I was gonna ask the same thing
Only the mid motor config.
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Old 11-24-2012, 09:21 AM   #2794
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With a 17.5, what pinion should I go with using the stock spur gear? ...or should I not use that spur gear?? Thanks guys ...
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Old 11-24-2012, 09:50 AM   #2795
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Originally Posted by ChadBlanton View Post
With a 17.5, what pinion should I go with using the stock spur gear? ...or should I not use that spur gear?? Thanks guys ...
I use a 69 spur (Kimbrough brand based on Captain's recommendation) and a 34 pinion with my 17.5 blinky. If you go the Kimbrough route make sure to pick up some Team Associted pads. The stock ones won't work with it.
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Old 11-24-2012, 11:22 AM   #2796
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OR get the avid setup as the top shaft should be available soon
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Old 11-24-2012, 11:32 AM   #2797
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Quote:
Originally Posted by ChadBlanton View Post
With a 17.5, what pinion should I go with using the stock spur gear? ...or should I not use that spur gear?? Thanks guys ...
I run a 17.5 revtech, and am geared here:

31/69 kimburough
maxed endbell timing
12.5 HT rotor
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Old 11-24-2012, 12:25 PM   #2798
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OR get the avid setup as the top shaft should be available soon
i figured out how to run the avid slipper unit with the kyosho top shaft . very easy to do
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Old 11-24-2012, 12:34 PM   #2799
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Hello Folks,

I am new to the RB6, plan on running a tekin combo 7.5...

Any suggestions on the set up with the speedo and gearing? Thanks in advance...
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Old 11-24-2012, 12:35 PM   #2800
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Originally Posted by fastestwon View Post
i figured out how to run the avid slipper unit with the kyosho top shaft . very easy to do
Do tell!!!???
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Old 11-24-2012, 01:38 PM   #2801
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Avid worth it for mid motor?
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Old 11-24-2012, 02:52 PM   #2802
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Originally Posted by ChadBlanton View Post
With a 17.5, what pinion should I go with using the stock spur gear? ...or should I not use that spur gear?? Thanks guys ...
Im running 72/30 and seems to be fast enough for me at the moment. After a 6 min run my motor barely temps at 100 degrees. Im sure I can go to a 33 but my car just feels amazing right now.
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Old 11-24-2012, 05:00 PM   #2803
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Ran my rb6 for the first time in the third qualifier and finished 3rd in the A. As of now my b4.1 is faster, but they drive completely different.
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Old 11-25-2012, 01:18 AM   #2804
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All I can say is that Exotek ROCKS.
I placed My order of the options for My RB6 and I couldn't believe in My eyes.
I received them in 6 days in Greece via USPS and I was impressed with the quality.
I am making carbon fiber dive equipmentt for 6 years and I can say that I received a high quality ooptionals.
My only problem id that I can't wait to use the mid motor rear tower.
Coould somebody give Me some details about the difference between rear / mid motor usage becsuse thid is My first time with electric off road?
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Old 11-25-2012, 05:40 AM   #2805
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Is there a difference in Tungsten carbide diff balls? Yokomo sells a set for less than half of the Kyosho ones.
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