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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 07-27-2016, 09:08 PM   #13486
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I can't find the chassis
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Old 07-27-2016, 09:37 PM   #13487
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I can't find the chassis
Chassis won't be available separately until year end. You'll notice you can buy the side guards for it but not the part itself. They want to sell kits duh!
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Old 07-27-2016, 10:07 PM   #13488
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Originally Posted by likea45 View Post
Chassis won't be available separately until year end. You'll notice you can buy the side guards for it but not the part itself. They want to sell kits duh!
What if you fold a chassis on your rb6.6?
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Old 07-28-2016, 01:38 AM   #13489
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Chassis is UM731 and should be available...
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Old 07-28-2016, 02:19 AM   #13490
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ProShop just posted mine
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Old 07-28-2016, 04:50 AM   #13491
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Interesting how there's 2 less screws in the side guards.
I like how they put the part number right in the assembly steps.

What are they telling you to trim in step 5 in the steering link?
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Old 07-28-2016, 06:55 AM   #13492
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Chassis is UM731 and should be available...


Nope, not on there
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Old 07-28-2016, 07:12 AM   #13493
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Originally Posted by oPAULo View Post
Interesting how there's 2 less screws in the side guards.
I like how they put the part number right in the assembly steps.

What are they telling you to trim in step 5 in the steering link?
They want you to shorten up the ball cup because it is to long. That is my interpretation.
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Old 07-28-2016, 07:19 AM   #13494
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The chassis isn't available on Kyosho America's page yet. As someone stated before, they want to sell you a new kit rather than convert your old one.

If you wad up the new chassis that is a tough pill to swallow since at this time you can only get one in a kit. You could always sell the extra parts you don't want on ebay or maybe someone will have already done that and you can score a chassis. Probably cost a lot though.
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Last edited by Kraig; 07-28-2016 at 10:40 AM.
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Old 07-28-2016, 08:56 AM   #13495
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Quote:
Originally Posted by GIHOSU View Post
The manual (pg. 33) has the shocks mounted to the rear in the 4 gear mid and RM setups, you will be able to choose front or back. Shim your shocks so they are at a 90' angle to the arms and you should be good, as per Tebo.

I just ordered a couple of the new 3 gear gear box sets and the reverse gear covers, should be lots of fun when they get here. Thanks for the heads up Toby.
Anytime! Mine's on its way. Something to look forward to next week when I get back from vacy
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Old 07-28-2016, 11:24 AM   #13496
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I just picked up my RB6.6 kit and I'm gonna start it soon I do hope more parts are available soon for spares, as well as for upgrading my older RB6.
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Old 07-28-2016, 05:12 PM   #13497
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Do I need to order a ball diff for the new 6.6, I'll be running on high bite clay. Thanks, Dave.
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Old 07-28-2016, 05:51 PM   #13498
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Originally Posted by Twisterdave View Post
Do I need to order a ball diff for the new 6.6, I'll be running on high bite clay. Thanks, Dave.
Looked as though the new kit still comes with the ball diff, at least in the pics it shows it.
High bite clay, I'd run the gear diff with the option alum gear diff cap/cover and put 4K oil in it.
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Old 07-28-2016, 06:25 PM   #13499
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Teufuel,thanks for the quick reply, Dave.
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Old 07-28-2016, 06:57 PM   #13500
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Quote:
Originally Posted by tobamiester View Post
Anytime! Mine's on its way. Something to look forward to next week when I get back from vacy
Mine too, I didn't even need to ask

Enjoy the vacy, just booked my much needed getaway.

Cheers!
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