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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 09-13-2012, 01:43 AM   #631
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I agree with lbckevin...the rear tire of choice at WC is The Suburb MC v1...some people run gold barcodes but they aren't as good. In fact, I raced at WC tonite and tq'd stock class with Suburbs.
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Old 09-13-2012, 03:19 AM   #632
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Originally Posted by FACTORYBUTNOT View Post
I agree with lbckevin...the rear tire of choice at WC is The Suburb MC v1...some people run gold barcodes but they aren't as good. In fact, I raced at WC tonite and tq'd stock class with Suburbs.
yea but they v1s aren't sold anymore?

my tracks tire is a pink, blue, green, m4. people around here still use pinks, slowly less and less though
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Old 09-13-2012, 05:44 AM   #633
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Originally Posted by lbckevin View Post
Eric...

Proline Suburbs v1 are THE most popular tire at West Coast. Gold barcodes are second and no racers run the BK bars anymore.

Question,
whats the difference between the v1's and the 2.0's?
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Old 09-13-2012, 06:41 AM   #634
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I stand corrected
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Old 09-13-2012, 10:27 AM   #635
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Originally Posted by BranVita View Post
Question,
whats the difference between the v1's and the 2.0's?
V1's have less tread depth compaired to the V2's so there is usually less break in.
V2's have alittle more tread depth and are alittle thicker on the tread with almost the same design as a BK.

I only run Proline or JC at WC, Everything else is just not up to par.
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Old 09-13-2012, 10:46 AM   #636
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From what I understand, while there was no control tire for the event, there was a "gentlemens agreement" to run that tire.
It was the Super Nationals... competition for the spotlight. There is no such thing as a gentleman agreement at that level of racing. Guys are there getting paid to win. Maybe it had something to do with the fact that the track was brand new (i.e. maybe barcodes are better when the track dries out)... but I will bet you $10,000,000,000,000 dollars, the top guys were all running the tire that produced the fastest lap times for the conditions.
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Old 09-13-2012, 10:56 AM   #637
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Since we're side tracked on tires - anybody try and like Hot Bodies Beams?

They look like bar codes
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Old 09-13-2012, 11:01 AM   #638
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Originally Posted by eper View Post
Really? They dont tell you which kick up setting is standard or where you should start. I gotta say this car is becoming less and less attractive to me. I love kyosho cars but this lack of what i would call a baseline setup a d the fact that their top driver doesnt back the entire product with his setup is very troubling to me. I wS very excited when i first saw they where releasing a new car now i have nothing but unanswered questions
A baseline setup is a starting point we all know that, too many people these days expect a box stock setup to run perfect instead of putting in time at the track to find out what works for the layout and your driving style. I find myself pulling the spacers out most layouts.

If you should choose a car on quality of components, design innovation this will be a solid choice.
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Old 09-13-2012, 12:39 PM   #639
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Since we're side tracked on tires - anybody try and like Hot Bodies Beams?

They look like bar codes
if you run a lower traction surface yes....even on med bight they make the car push like a truck. The fronts they make steer perfect and most of the time to much for many cars that lack bite...
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Old 09-13-2012, 12:47 PM   #640
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Originally Posted by Cpt.America View Post
It was the Super Nationals... competition for the spotlight. There is no such thing as a gentleman agreement at that level of racing. Guys are there getting paid to win. Maybe it had something to do with the fact that the track was brand new (i.e. maybe barcodes are better when the track dries out)... but I will bet you $10,000,000,000,000 dollars, the top guys were all running the tire that produced the fastest lap times for the conditions.
This year there was not agreement but in the past there has been with the team managers and the top drivers.
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Old 09-13-2012, 04:42 PM   #641
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I get the concept of a baseline set up. Im just not thrilled about sverytime they release something new everyone puts the old parts on it. It seems like they dont make the new stuff work for them tbey just divert back to the old. So if the old stuff is just as good y do i want to go dump $450 of my HARD earned money into it ill stick with my +10 rb5. although i do love new kits. Im just going to try and relax and see what happens when it gets to my lhs.
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Old 09-13-2012, 05:13 PM   #642
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I think its more about marketing not technological advancement.

Wave 1, release new product and the hard core buyers jump on board.
Wave 2, fix first waves short comings.
Wave 3, dial it in and make it perfect.
Wave 4, new product and restart the cycle.
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Old 09-13-2012, 09:06 PM   #643
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You guys are killing me. Get the car and drive it before all these ideas get strewn all over the internet. The buggy will be out the last week this month. Read the manual guys. If you don't know where to start or modify from that point then buy a B4.1 and do what everyone else does.

Save the negative comments for when you actually know its a negative.
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Old 09-13-2012, 09:28 PM   #644
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I had a b4.1 wasnt for me. Sorry to offend you im just trying to get other peoples opinions and also give mine. Pretty sure thats what forums are all about
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Old 09-13-2012, 09:54 PM   #645
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Originally Posted by lbckevin View Post
Eric...

Proline Suburbs v1 are THE most popular tire at West Coast. Gold barcodes are second and no racers run the BK bars anymore.
Did you get yours from West Coast yet? When are you going back to OC/RC? The RB6 I mean.
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