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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 01-09-2014, 01:30 PM
  #9316  
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Originally Posted by toughtrax
That would be greatly appreciated if you could post your findings. I looked at the avid springs and will get those if the losi ones don't fit considering.
Yup np I'll post pics too.. I'm in the process of taking out my avid slipper on my 22 and putting it on my RB6 so this the perfect time to do it lol..might as well right? Haha.
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Old 01-09-2014, 01:41 PM
  #9317  
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Yep TLR 22 Springs fit
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Old 01-09-2014, 01:47 PM
  #9318  
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Originally Posted by KalEl63
Yep TLR 22 Springs fit
Thank you for the response.
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Old 01-09-2014, 02:01 PM
  #9319  
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Originally Posted by toughtrax
Thank you for the response.
Fat super man beat me to the punch lol.. looks like you just saved some cash
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Old 01-09-2014, 08:16 PM
  #9320  
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Wondering if anyone has gotten to or below 1499 in weight with the new light chassis in rm?
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Old 01-10-2014, 02:01 AM
  #9321  
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Originally Posted by Gitsum
Wondering if anyone has gotten to or below 1499 in weight with the new light chassis in rm?
Yes. I got my mid motor down to 1420g. (light weight body + light weight chassis + carbon arms/knuckles/towers + mip puck system + avid slipper + titanium screws + AKA EVO wheels + reedy 4100 shorty lipo + HW3.1 esc + ko receiver + some other clever mods)

Going to switch to a low pro servo (-15g).

I've added 40grams on the rear bulk head where the sway bar mounts, and 50gram plate under the battery to get it legal.
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Old 01-10-2014, 02:19 AM
  #9322  
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Originally Posted by Jason.Dias
Yes. I got my mid motor down to 1420g. (light weight body + light weight chassis + carbon arms/knuckles/towers + mip puck system + avid slipper + titanium screws + AKA EVO wheels + reedy 4100 shorty lipo + HW3.1 esc + ko receiver + some other clever mods)

Going to switch to a low pro servo (-15g).

I've added 40grams on the rear bulk head where the sway bar mounts, and 50gram plate under the battery to get it legal.
Hi JD, don't suppose you could weigh the new carbon comp parts for so we may know the weight difference? Thanks,
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Old 01-10-2014, 03:05 AM
  #9323  
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Hey guys does the Tammy 201X XR/XM body 84368 fit the rb6? Thx
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Old 01-10-2014, 04:30 AM
  #9324  
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Does anyone know if Tebo was running the full carbon options bits in the Worlds?

I am receiving the new parts on Monday for testing but only opted for the carbon arms for carpet racing...
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Old 01-10-2014, 07:03 AM
  #9325  
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Jason Dias : if you have a moment, please share your findings/results on the MIP puck system......thanks man
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Old 01-10-2014, 09:02 AM
  #9326  
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Has anyone used rtv or similar to make a gasket for their gear diff? I took mine out which I had filled with a mix of some oil and some black grease, and it had completely emptied. I had gotten the TSR kit, it didn't seem to leak for the first 2-3 weeks, but I noticed it coming out of the case last week.
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Old 01-10-2014, 10:15 AM
  #9327  
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I used the black gasket sealer in my losi and it worked great
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Old 01-10-2014, 12:02 PM
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http://www.rctech.net/forum/tresrey-...l#post12893558

Yaiba Racing RB6 Rear V2 Bulkhead giveaway!
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Old 01-10-2014, 01:37 PM
  #9329  
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Originally Posted by Konich
http://www.rctech.net/forum/tresrey-...l#post12893558

Yaiba Racing RB6 Rear V2 Bulkhead giveaway!
Love my Yaiba gear. Too bad they're not offering bolt-on weights with this package.
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Old 01-10-2014, 06:41 PM
  #9330  
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Thought I would share some pics. Built my 2nd RB6. This one will be my mid motor car.


This one along with the Xray xb4
Last edited by Speedychris22; 01-11-2014 at 06:59 AM.
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