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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 01-17-2013, 12:32 AM
  #4396  
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I'd like to get my hands on those tires
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Old 01-17-2013, 02:26 AM
  #4397  
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Originally Posted by aloksatoor
I used the hammer and pinion method to knock the pin out. However, how to get the rest out once the end of the pin is flush with the ball? I do not have anything 2mm which is strong enough to take the hammer.
Originally Posted by fastestwon
use a nail set grind it down to fit
Yes, you need something strong and thin to push the pin out a little bit. I used a broken Dremel bit, holding it with pliers so I didn't crush my fingers
As soon as the old pin is recessed a little bit, continue to push it using the new pin (with pliers of course) and bingo, a new dogbone
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Old 01-17-2013, 05:41 AM
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LHS(s) have sold out. Stuck with the B4 for now, unless I want to go through Amain (yuck).
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Old 01-17-2013, 06:40 AM
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Speedtech or Stormer?
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Old 01-17-2013, 06:41 AM
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I had a new one for sale earlier this week but it is gone now. Sorry
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Old 01-17-2013, 06:51 AM
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Originally Posted by t0p_sh0tta


LHS(s) have sold out. Stuck with the B4 for now, unless I want to go through Amain (yuck).
Originally Posted by t8rtot
Speedtech or Stormer?
Speedtech is out and Stormer has some for $439.

I am going to be picking one(RB6) up soon. I hope some shops have one when I go to make my order.
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Old 01-17-2013, 06:56 AM
  #4402  
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Stormer and Amain want $18+ for shipping. I can get it cheaper locally. Maybe I'll just wait.
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Old 01-17-2013, 07:02 AM
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Originally Posted by Just1More
Your steering rack is on backwards...
Putting it on backwards like that changes how aggressive the car is. So maybe it is installed that way for a reason.
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Old 01-17-2013, 08:33 AM
  #4404  
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Got my Rb6 fully assembled last night. I'll post some picks once I've finalized the cable management.

Quick question though, how do you tighten the diff without removing the tire/axle? I saw a video of Jared adjusting his diff with just one screw driver. How was he doing that?
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Old 01-17-2013, 08:41 AM
  #4405  
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Originally Posted by t0p_sh0tta
Stormer and Amain want $18+ for shipping. I can get it cheaper locally. Maybe I'll just wait.
Superior Hobbies is $419 then if you use the rctech 10% off discount it comes out to $377
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Old 01-17-2013, 08:51 AM
  #4406  
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Originally Posted by HalfManHalfGod
Got my Rb6 fully assembled last night. I'll post some picks once I've finalized the cable management.

Quick question though, how do you tighten the diff without removing the tire/axle? I saw a video of Jared adjusting his diff with just one screw driver. How was he doing that?
The K diff is ingenious!

There's a hole on the right outdrive (I think it's the right). Stick a hex driver, pick, screwdriver, or whatever you want in there (to keep the adjustment screw from spinning), and rotate the opposite wheel.

Originally Posted by ~KANE~
Superior Hobbies is $419 then if you use the rctech 10% off discount it comes out to $377
Awesome deal, but out of stock.

I'm not happy about it, but I guess I'll just wait.
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Old 01-17-2013, 09:03 AM
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Originally Posted by Just1More
Your steering rack is on backwards...
Backwards is relative to how you want your Ackerman.
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Old 01-17-2013, 09:18 AM
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I work at Superior and had to get one off ebay $425 shipped. Kyosho says they'll have more in 6 weeks, which is what they've been saying for a couple weeks now...
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Old 01-17-2013, 09:28 AM
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Driver or passenger side.

Looks like in the directions that the screwhead for the diff is on the left side or drivers side?
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Old 01-17-2013, 09:31 AM
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adjustments are made from the left side of car....my rb6 will be here today!

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