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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 05-06-2013, 06:31 AM   #6631
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Hi everyone, Any input on the TSR gear diff for RB6? Thank you.
Hmm, I have been wanting a diff that wont leak, one of out locals tried the rtr one and it leaked in 2 runs.
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Old 05-06-2013, 06:39 AM   #6632
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Have I mentioned how freaking smooth and amazing the rb6 is to drive? such a good car.
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Old 05-06-2013, 06:40 AM   #6633
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Have I mentioned how freaking smooth and amazing the rb6 is to drive? such a good car.
I thought you were selling it??
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Old 05-06-2013, 06:52 AM   #6634
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I ran another week on mid motor, I put my D3.5 back in since they aren't banned and it runs cooler than my sonic 17.5. We couldn't keep the track as wet this week due to time, but the car was still good, still cannot be driven as hard as RM, but it easier to "catch" when it does break loose. I changed to 30/0 from 25/2 and couldn't really tell much difference. I'm going to switch back to RM now, I want to run outdoors at a few tracks in the area and don't want to chance it with the MM setup.
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Old 05-06-2013, 06:55 AM   #6635
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I am lol..... Does not mean its not the best car I have ever driven. I know it makes no sense. My wife called me a moron. AE has been pretty good to me. Although my B4 does not handle as well, It drives good enough. I am last place with anything i drive, lol. So why not be last place with my trusty ole b4... I am an AE fanboy, but unlike some people I will admit when another car is better. And the RB6 is head and shoulders above the B4 in everything aside from parts availability and looks. The B4 is good "enough" for me. I drove my 22 this weekend, that thing is a POS. its build well and seems like a good idea, but it just does not work. The b4 is consistent and drives ok, the Rb6 is consistent and drives very good. I want to get my kid driving the b4 also, so I can sell the 22.
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Old 05-06-2013, 07:44 AM   #6636
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Originally Posted by Matt Trimmings View Post
I thought you were selling it??
I think he has some compulsive posting disorder that makes him feel obligated to chime in on everything that is posted.
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Old 05-06-2013, 07:44 AM   #6637
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Originally Posted by Wildcat1971 View Post
I am lol..... Does not mean its not the best car I have ever driven. I know it makes no sense. My wife called me a moron. AE has been pretty good to me. Although my B4 does not handle as well, It drives good enough. I am last place with anything i drive, lol. So why not be last place with my trusty ole b4... I am an AE fanboy, but unlike some people I will admit when another car is better. And the RB6 is head and shoulders above the B4 in everything aside from parts availability and looks. The B4 is good "enough" for me. I drove my 22 this weekend, that thing is a POS. its build well and seems like a good idea, but it just does not work. The b4 is consistent and drives ok, the Rb6 is consistent and drives very good. I want to get my kid driving the b4 also, so I can sell the 22.
LOL, trade for a B4.1 with all the 4.2 stuff except towers and some $
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Old 05-06-2013, 08:02 AM   #6638
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Hey guys, the Losi Aluminum Front Inner Pin Brace (LOSA4137) is the same width thus fits. However it is quite thin and I'm afraid it will fall off if not held in place. The plastic bumper will not push against it and hold it in. Any ideas? Thanks,
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Old 05-06-2013, 08:02 AM   #6639
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Originally Posted by Wildcat1971 View Post
I am lol..... Does not mean its not the best car I have ever driven. I know it makes no sense. My wife called me a moron. AE has been pretty good to me. Although my B4 does not handle as well, It drives good enough. I am last place with anything i drive, lol. So why not be last place with my trusty ole b4... I am an AE fanboy, but unlike some people I will admit when another car is better. And the RB6 is head and shoulders above the B4 in everything aside from parts availability and looks. The B4 is good "enough" for me. I drove my 22 this weekend, that thing is a POS. its build well and seems like a good idea, but it just does not work. The b4 is consistent and drives ok, the Rb6 is consistent and drives very good. I want to get my kid driving the b4 also, so I can sell the 22.
Ok... great... glad you have finally made a choice.
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Old 05-06-2013, 08:07 AM   #6640
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Quote:
Originally Posted by Wildcat1971 View Post
Have I mentioned how freaking smooth and amazing the rb6 is to drive? such a good car.
Quote:
Originally Posted by Wildcat1971 View Post
I am lol..... Does not mean its not the best car I have ever driven. I know it makes no sense. My wife called me a moron. AE has been pretty good to me. Although my B4 does not handle as well, It drives good enough. I am last place with anything i drive, lol. So why not be last place with my trusty ole b4... I am an AE fanboy, but unlike some people I will admit when another car is better. And the RB6 is head and shoulders above the B4 in everything aside from parts availability and looks. The B4 is good "enough" for me. I drove my 22 this weekend, that thing is a POS. its build well and seems like a good idea, but it just does not work. The b4 is consistent and drives ok, the Rb6 is consistent and drives very good. I want to get my kid driving the b4 also, so I can sell the 22.


I think your wife may be correct.

j/k
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Old 05-06-2013, 08:09 AM   #6641
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Originally Posted by gelshocker View Post
Hey guys, the Losi Aluminum Front Inner Pin Brace (LOSA4137) is the same width thus fits. However it is quite thin and I'm afraid it will fall off if not held in place. The plastic bumper will not push against it and hold it in. Any ideas? Thanks,
Expensive but only 11 grams, that ghea front aluminum hanger is pretty strong.
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Old 05-06-2013, 08:14 AM   #6642
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LOL, trade for a B4.1 with all the 4.2 stuff except towers and some $
I was ready to ask him how much but I want a truck
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Old 05-06-2013, 08:25 AM   #6643
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I just picked up a couple kyosho 1/10 cars. Any advice on running this car? Springs, swaybars, etc...
Also what pinion/ gearing are you guys running for 17.5 blinky class
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Old 05-06-2013, 08:47 AM   #6644
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I forgot to check, what spur gear are you guys running for 17.5? The smallest KY spur I saw was 76.

Also I can run AE spurs if I swap to AE slipper plates/pads, correct?
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Old 05-06-2013, 08:51 AM   #6645
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I forgot to check, what spur gear are you guys running for 17.5? The smallest KY spur I saw was 76.

Also I can run AE spurs if I swap to AE slipper plates/pads, correct?
69 is what you want, but we've found out that the K plates are too big for the kimbrough style spurs, the plates ride on the plastic, not the pads. I went the avid route and put a vts on my car with their topshaft, some others have dremeled the b4 plates to use. You can get a 72 kyo spur, which will get you close, but still not a low as most (32/69).
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