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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 07-09-2015, 10:35 PM   #12181
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Very nice.
What does the back of the battery sit against? The motor?
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Old 07-09-2015, 11:10 PM   #12182
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You use this

UM787

http://kyoshoamerica.3dcartstores.co...R_p_22855.html
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Old 07-10-2015, 01:27 AM   #12183
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Just made this. Gives me 1 inch of adjustment with different foams and moving the front clamp.
Battery fits perfectly with no side to side play.


Hope it holds up!
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Old 07-10-2015, 07:57 PM   #12184
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Quote:
Originally Posted by RobsRacin View Post
This may or may not have been answered but what is the difference between the 2015 version of the kit and the older? Why is the older one still more money? You can buy either on amain currently
I'd like to know this too. Just trying to line up the indoor season vehicles. Searched back a couple pages and didn't see anything.

Saw this on the site -

Quote:
The new model features a selection of rear wing, rear suspension arms & shock springs to suit the midship motor mount setup. These changes produce improved durability and broader setting options for stability on high grip surfaces including artificial grass, carpet and hard-packed dirt. The new RB6 is fully loaded and designed for racers ready to challenge serious competition or upgrade for the next big racing event.
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Old 07-11-2015, 07:36 PM   #12185
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Quote:
Originally Posted by Crawlin View Post
I'd like to know this too. Just trying to line up the indoor season vehicles. Searched back a couple pages and didn't see anything.

Saw this on the site -
My local shop hasn't gotten any of the new kits in yet so ill be buying the older model, just hoping I'm not missing out on anything
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Old 07-11-2015, 08:00 PM   #12186
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Looks like D-in D-in will bottom out MIP shiny pucks in MIP diff out drives.
Just a shade too narrow.
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Old 07-11-2015, 08:25 PM   #12187
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Originally Posted by RobsRacin View Post
My local shop hasn't gotten any of the new kits in yet so ill be buying the older model, just hoping I'm not missing out on anything
The new car has a few differences between it and the old one. We talked about it a few pages back.

One reason the price could be lower on the new kit compared to the prior kit is the U.S. Dollar is a little bit stronger to the Yen when the new kit was released compared to the old kit.
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Old 07-11-2015, 10:35 PM   #12188
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Quote:
Originally Posted by oPAULo View Post
Looks like D-in D-in will bottom out MIP shiny pucks in MIP diff out drives.
Just a shade too narrow.
For Mod I prefer B in B in, thanks for the info
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Old 07-12-2015, 12:57 AM   #12189
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Default RE: Lower Price

Quote:
Originally Posted by Kraig View Post
The new car has a few differences between it and the old one. We talked about it a few pages back.

One reason the price could be lower on the new kit compared to the prior kit is the U.S. Dollar is a little bit stronger to the Yen when the new kit was released compared to the old kit.
more likely due to the fact that kyosho has already done some R&D recoupment on the platform the past couple years.
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Old 07-12-2015, 09:07 AM   #12190
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The 2015 kit has new, updated parts.

It has the updated chassis, which has a few more mounting holes than the original stock one.
It has the updated front brace that is heavier duty
It has the new 3 hole arms in the rear
It has better rear springs, golds, versus reds
It has the updated spring cups that came out on the truck (taller on the bottom to secure the spring)
Updated manual that gives you part numbers during the build
Updated UM603B washer set (not a big deal)
Step 3.0 wing vs 2.0
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Old 07-12-2015, 10:11 AM   #12191
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Quote:
Originally Posted by K_King View Post
The 2015 kit has new, updated parts.

It has the updated chassis, which has a few more mounting holes than the original stock one.
It has the updated front brace that is heavier duty
It has the new 3 hole arms in the rear
It has better rear springs, golds, versus reds
It has the updated spring cups that came out on the truck (taller on the bottom to secure the spring)
Updated manual that gives you part numbers during the build
Updated UM603B washer set (not a big deal)
Step 3.0 wing vs 2.0
What happened to offering a three gear transmission?
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Old 07-12-2015, 10:49 AM   #12192
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Quote:
Originally Posted by K_King View Post
Here's a stock setup based off my current mod setup. It was really fast but stable for me. I dont have anything crazy on my car like pucks or cut gears, it's basically the aluminum parts from Kyosho, a Schelle top shaft and lockout, and a kyosho gear diff. The mid motor is pretty essential to stock racing as well and I would recommend making one as its pretty easy to do.




Kevin I apologize if this has been covered but my son and I have been on a bit of a vacay from racing and it seems you have went back to inline battery? What happened with the R&D of sideways? I never did sideways but was just wondering if everyone is going back to inline.
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Old 07-12-2015, 11:46 AM   #12193
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I have 2 cars now, a stock and a mod. For the stock car I built, I wanted to build it as kit as possible so I made it inline with only a few hopups and changes.

For mod I am still running sideways.
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Old 07-12-2015, 12:06 PM   #12194
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Quote:
Originally Posted by Jpdanger View Post
What happened to offering a three gear transmission?
I'm sure they are working on something.
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Old 07-13-2015, 04:47 AM   #12195
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Quote:
Originally Posted by Gen View Post
Has anyone tried any other shock retainers on kyosho shocks ..as I noticed u can't buy kyosho retainers by themselves only with complete shock kits ? Do associated or losi fit ?
The shock plastics are available separately, KYOW5303-05
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