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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 07-20-2013, 04:36 AM
  #7636  
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lookie lookie in the back ground

http://s286.photobucket.com/user/til...ca58d.jpg.html
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Old 07-20-2013, 07:20 AM
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I have my http://www.rctech.net/forum/r-c-item...-ran-once.html up for sale.
Last edited by umm winning; 07-21-2013 at 08:21 PM.
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Old 07-20-2013, 09:40 AM
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Looks like a 4sc but chassis is too short I think. Is it the wheeler maybe?
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Old 07-20-2013, 09:46 AM
  #7639  
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He was running the proto 2wd rt6 in mid motor as well. That my be what it is......or the new 4wheeler
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Old 07-20-2013, 12:22 PM
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Originally Posted by Bob Barry
That's the 4wd buggy!
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Old 07-20-2013, 02:42 PM
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Just picked up the rb6 last night and I will be hoping to get it out this weekend. Will be my first time running the rb6 or any 2 wheel buggy really so hopefully I get the hang of it and enjoy the car.
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Old 07-20-2013, 03:26 PM
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Ran the RB6 for the first time in practice for a few packs.

Tons of rear bite and steering, pretty solid out of the box.

Jumps awesome, great tracking, very predictable.
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Old 07-21-2013, 09:16 AM
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Can someone tell me the part # for the MEDIUM shock ball ends pease
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Old 07-21-2013, 04:02 PM
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can anyone recommend a good shock piston and oil set up for a bumpy medium traction track with big jumps . I am currentlyrunning the kit pistonswith 35wt front 32.5 rear oil. the car seems to want to bottom out on high-speed jumps
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Old 07-21-2013, 05:41 PM
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Originally Posted by EJF
can anyone recommend a good shock piston and oil set up for a bumpy medium traction track with big jumps . I am currentlyrunning the kit pistonswith 35wt front 32.5 rear oil. the car seems to want to bottom out on high-speed jumps
kit pistons need heavy oils. Try the Ghea 1.3x4 hole tapered or if you don't want to spend the money, get the TLR pistons for the 22 series vehicles in the 55 size. The hole size is almost identical. Just remember to put a thin shim on the piston because they are a hair thinner.

If you don't care about the money, which owning a Kyosho you shouldn't , get the Ghea's
Last edited by Bob Barry; 07-21-2013 at 07:21 PM.
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Old 07-21-2013, 05:55 PM
  #7646  
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Originally Posted by jgonz
Can someone tell me the part # for the MEDIUM shock ball ends pease
97021H
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Old 07-21-2013, 08:12 PM
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To me it's still easier to cut down the longs.

Down travel is not a bad thing on this car
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Old 07-21-2013, 08:24 PM
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Anyone run the Losi Low Frequency springs?


Also, anyone have any issues with slop?
Mine has a bit in the arms and castor blocks.
Although I suspect the rear is in the hangers (going to buy the Exotek hangers soon).

Has anyone used the kingpin kit?
http://www.amainhobbies.com/product_...King-Pin-Set-4
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Old 07-21-2013, 10:24 PM
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Originally Posted by Bob Barry
I was told by a person that kyosho is working on a new 4wd 1/10 aluminum chassis buggy????? That pic could be it????
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Old 07-21-2013, 11:34 PM
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Originally Posted by jgonz
Can someone tell me the part # for the MEDIUM shock ball ends pease
Medium length shock ends are 97038. Even though Kyosho calls them long on the package, they are the medium ends. The long shock ends are LA43.
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