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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 01-20-2015, 05:29 PM   #11551
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Quote:
Originally Posted by Kraig View Post
These hub carriers feature 0 of outboard rear toe in, and bearing inserts that allow you to use either a 5x13/5x11mm axle bearing configuration, or a 5x10/5x10 bearing configuration. Additionally, the use of bearing inserts helps to improve drive train efficiency and extend the life of the hubs.
Trying to find the bearings for the aluminum hubs? http://www.amain.com/kyosho-5x11x4mm...aring-2/p34703


Are those the right ones? Do you guys have part numbers

Last edited by yodace; 01-20-2015 at 05:40 PM.
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Old 01-20-2015, 06:34 PM   #11552
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Which size do you want to use? I would use the large one.
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Old 01-20-2015, 06:38 PM   #11553
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Question for the guys that did the sideways battery mod. How far back did you put the battery?? Up against the brace or a little foward???
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Kyosho Ultima RB6 & RB6.6 Car Thread-fullsizerender-copy.jpg  
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Old 01-20-2015, 07:10 PM   #11554
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Thanks for the pic.
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Old 01-21-2015, 05:37 AM   #11555
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I wanna use 5/11 and 5/13 size bearings, with aluminum ..
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Old 01-22-2015, 05:24 AM   #11556
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Why would u want different sizes?
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Old 01-22-2015, 05:37 AM   #11557
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so I can have 2 sets of hubs one for mm and rm
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Old 01-22-2015, 06:11 AM   #11558
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The larger bearings give better durability and load capacity
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Old 01-22-2015, 07:22 AM   #11559
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Are you getting enough weight up front to not effect steering this way?
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Old 01-22-2015, 06:47 PM   #11560
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Naoto Matsukura has joined Kyosho for 2015... Competing in 2wd & 4wd Buggy classes. Should be pretty nice to watch...
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Old 01-22-2015, 11:26 PM   #11561
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What body and wing is good for a MM mod car? Indoor clay tracks.
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Old 01-22-2015, 11:52 PM   #11562
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What body and wing is good for a MM mod car? Indoor clay tracks.

The stock body is good, I know a lot of guys like the JC Finnisher body, and lately I've been running the PL Phantom body. I know some guys don't like the looks of that body, but I like it.

Wing wise, the JC high clearance or Finnisher wing seems to be pretty good. I know some guys that like the LMR wing and I've been using the PL Trifecta wing, mainly for durability.
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Old 01-23-2015, 12:19 AM   #11563
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Quote:
Originally Posted by Teufel Racing View Post
The stock body is good, I know a lot of guys like the JC Finnisher body, and lately I've been running the PL Phantom body. I know some guys don't like the looks of that body, but I like it.

Wing wise, the JC high clearance or Finnisher wing seems to be pretty good. I know some guys that like the LMR wing and I've been using the PL Trifecta wing, mainly for durability.
What about the upgrade 6.5" wing? I'm brand new to this car so excuse the n00b questions.
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Old 01-23-2015, 05:51 AM   #11564
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Panda, You coming to The Clubhouse this weekend?
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Old 01-23-2015, 08:13 AM   #11565
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Quote:
Originally Posted by Chansharp318 View Post
Are you getting enough weight up front to not effect steering this way?
I've never had issues with steering on the RB6. Our servo is mounted a lot further than most cars, but I have a 10g aluminum pivot in case I ever needed more.
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