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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
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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 09-29-2012, 02:12 PM
  #796  
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^^^do you have a part number for them????

Thanks.
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Old 09-29-2012, 02:15 PM
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Old 09-29-2012, 02:17 PM
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Originally Posted by goin2drt View Post
I will post a pic later but all my stuff fit awesome. Shorty lipo is the key. I went 1015 servo, then my airtronics receiver. Lipo and then the LRP SXX fit perfect with the cap hidden under the shock tower.nothing had to go on the sides. All balanced right down the middle.
Here is mine. Not completed. I am going to shrink tube the wires black. I was surprised at how nice everything fit.
Kyosho Ultima RB6 & RB6.6 Car Thread-1.jpg

Kyosho Ultima RB6 & RB6.6 Car Thread-3.jpg

Kyosho Ultima RB6 & RB6.6 Car Thread-2.jpg
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Old 09-29-2012, 02:17 PM
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Originally Posted by Posvar View Post
^^^do you have a part number for them????

Thanks.
Just cut the longer ones to the right length
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Old 09-29-2012, 02:26 PM
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Originally Posted by goin2drt View Post
Here is mine. Not completed. I am going to shrink tube the wires black. I was surprised at how nice everything fit.
Attachment 975742

Attachment 975744

Attachment 975743
Looks good, I have a Lo profile servo, but this is pretty much the set up I'm going with.
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Old 09-29-2012, 03:22 PM
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Originally Posted by jpcopeland1 View Post
During racing at OC/RC last night Tater and Chris stripped out ball studs from their front hub carriers. Only fix was to install the longer ball studs which I have on order. Has anyone else had this problem. They went 1-2 in modified, First Chris, then Tater.
funny u should mention this my mate had two ball studs strip straight out of the rear bulkhead the other night..... not from a shunt either weird .... so i have put longer ones in mine also with a nut on them !!
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Old 09-29-2012, 04:47 PM
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Has anyone mounted saddles sideways with the car in rear motor? Pics?

Last edited by t8rtot; 09-29-2012 at 04:57 PM.
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Old 09-29-2012, 06:01 PM
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Originally Posted by t8rtot View Post
Has anyone mounted saddles sideways with the car in rear motor? Pics?
I'm gonna try it, but won't have it built for a week or so... Will have RS Pro, 614ff, and BLS551 low pro servo.
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Old 09-29-2012, 07:05 PM
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Originally Posted by jpcopeland1 View Post
During racing at OC/RC last night Tater and Chris stripped out ball studs from their front hub carriers. Only fix was to install the longer ball studs which I have on order. Has anyone else had this problem. They went 1-2 in modified, First Chris, then Tater.
Originally Posted by azz28 View Post
funny u should mention this my mate had two ball studs strip straight out of the rear bulkhead the other night..... not from a shunt either weird .... so i have put longer ones in mine also with a nut on them !!
If you're having trouble with ball studs stripping out you can also put grub screws in the empty holes. This also makes your bulkhead more sturdy. The manual actually tells you to do this in the rear but you can do it in the front too.
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Old 09-29-2012, 07:40 PM
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Originally Posted by t8rtot View Post
Has anyone mounted saddles sideways with the car in rear motor? Pics?
My saddles will be here Monday and ill post some pics
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Old 09-29-2012, 08:39 PM
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Originally Posted by mdowney View Post
If you're having trouble with ball studs stripping out you can also put grub screws in the empty holes. This also makes your bulkhead more sturdy. The manual actually tells you to do this in the rear but you can do it in the front too.
I've done that to mine. Hope it keeps from happening tomorrow.
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Old 09-29-2012, 08:57 PM
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Also, don't over-tighten your ball studs when you screw them in. And if you're using a electric screw driver, go slow so the plastic doesn't over-heat and set your clutch low. I like to use a wrench for the last few turns so I don't strip the bulkhead.
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Old 09-29-2012, 09:10 PM
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Originally Posted by Derry View Post
If Kyosho made an front alum pivot block I would buy it!
I've never broken a front pivot block and you're a better driver than me. I think you're safe with the kit plastic.
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Old 09-29-2012, 09:16 PM
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(Yes, I know about multi-quote. Just reading back through old posts. Sorry...)

I mounted my Futaba Rx, which is bigger than the KO, right side up along the side of the battery. I just layered up about eight pieces of servo tape to build a flat spot for the Rx. Seems to work fine. We'll see if it holds up. Mounted the R10 capacitor opposite the Rx but in its side. Power switch mounts vertically on the side of the rear bulkhead behind the ESC on the right side.

I think this is what Jared did too.

Mike


Originally Posted by savageboy69 View Post
wondering how others mounted there reciever? heres a pic of mine i made a piece out of lexan that drops down 4mm for a little extra clearance for the ko reciever
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Old 09-29-2012, 10:10 PM
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Originally Posted by Posvar View Post
^^^do you have a part number for them????

Thanks.
KYOUM128
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