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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
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 03-27-2014, 08:57 AM
  #10216  
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Answer here about piston hole-

http://www.rctech.net/forum/13075699-post10036.html
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Old 03-27-2014, 09:30 AM
  #10217  
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Thank you Eric
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Old 03-27-2014, 10:31 AM
  #10218  
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I wouldn't so eagerly throw out the stock pistons. I use them in my setup and the car runs great. Give them a try at least and change if necessary.
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Old 03-27-2014, 10:34 AM
  #10219  
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I have no plans on throwing them out . what is a good oil to start with on a small indoor mm with a sadde and med traction?
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Old 03-27-2014, 09:11 PM
  #10220  
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I just recently installed both the aluminum steering crank set and aluminum steering plate on my rb6 and I feel like I have a lot more play (wiggle) now then when it was all plastic. Am I suppose to install washers with them or something to help with the play? If so metal or plastic and where? On the bottom or where the screw is? Or is play good? :-(

P.S. I've already installed the 1mm plastic collar on the bottom as the manual suggests. Just wondering if I should at anything else?
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Old 03-28-2014, 04:10 AM
  #10221  
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Originally Posted by Kopanas
I just recently installed both the aluminum steering crank set and aluminum steering plate on my rb6 and I feel like I have a lot more play (wiggle) now then when it was all plastic. Am I suppose to install washers with them or something to help with the play? If so metal or plastic and where? On the bottom or where the screw is? Or is play good? :-(

P.S. I've already installed the 1mm plastic collar on the bottom as the manual suggests. Just wondering if I should at anything else?
Did you buy some new bushings?

http://www.amain.com/product_info.ph...King-Pin-Set-4
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Old 03-28-2014, 08:08 AM
  #10222  
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What are you guys useing to keep your battery in place when running MM with the battery pushed all the way back against the motor? If anybody have a clean Pic whould they please post it.
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Old 03-28-2014, 08:29 AM
  #10223  
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Originally Posted by offroad dude
What are you guys useing to keep your battery in place when running MM with the battery pushed all the way back against the motor? If anybody have a clean Pic whould they please post it.
Servo tape is what I am using per Kyosho team managers advice
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Old 03-28-2014, 09:10 AM
  #10224  
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Anyone know if the JC Finnisher can be trimmed to fit the car in MM configuration? And look ok in the rear
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Old 03-28-2014, 09:56 AM
  #10225  
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It fits fine but you still have a gap at the back.
Attached Thumbnails Kyosho Ultima RB6 & RB6.6 Car Thread-img_3345.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_3582.jpg  
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Old 03-28-2014, 10:33 AM
  #10226  
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The guys running gear diffs what are you running for oil in it and does it just drop in the mm case?
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Old 03-28-2014, 10:40 AM
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Originally Posted by the big rc
Servo tape is what I am using per Kyosho team managers advice
So, you pretty much run the same battery all day.
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Old 03-28-2014, 12:30 PM
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Originally Posted by Gitsum
The guys running gear diffs what are you running for oil in it and does it just drop in the mm case?
3k and yes it fits great.
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Old 03-28-2014, 02:06 PM
  #10229  
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Originally Posted by gelshocker
Ahhh... no... are these not the bushings that come with the RB6 already?
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Old 03-29-2014, 01:33 AM
  #10230  
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Originally Posted by Kopanas
Ahhh... no... are these not the bushings that come with the RB6 already?
I don't know if they're the same material as the kit but I changed out fresh bushings when I installed the new alum steering.

Also, blue thread lock the screws as they'll come loose after runs.

Cheers,
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