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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 04-23-2014, 05:47 PM   #10321
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Default RB6

I appreciate that, thank you.

Quote:
Originally Posted by bigdaddy13 View Post
If you find a good deal on a used car,snatch it up,they're out there. Either way,new or used,the car is bad ass.

And don't think I've heard anything on a Worlds car coming out in a couple months. Only thing I have heard is maybe a ZX6 around August.
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Old 04-24-2014, 07:21 AM   #10322
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Quote:
Originally Posted by bigdaddy13 View Post
If you find a good deal on a used car,snatch it up,they're out there. Either way,new or used,the car is bad ass.

And don't think I've heard anything on a Worlds car coming out in a couple months. Only thing I have heard is maybe a ZX6 around August.
Kyosho is unlike other companies that release cars every year or two. The RB6 is the current World Champion Buggy. There is no need for an updated buggy except for including the aluminum steering rack like the RT6 and SC6.

As far as the new Lazer, it is the next release and I expect it to be here early July from what I hear. Once it comes out, Kyosho will have the best arsenal/fleet out there.
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Old 04-24-2014, 12:28 PM   #10323
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"The RB6 is the current World Champion Buggy. There is no need for an updated buggy"

Exactly why I found it odd to hear that a new WC car was coming out.

I appreciate the input! I'm sold on the RB6 and Kyosho. Especially coming from a frustrating fleet of Durango's, that no one in my area drives nor carries parts for.

Be well.

Quote:
Originally Posted by lewis4x4 View Post
Kyosho is unlike other companies that release cars every year or two. The RB6 is the current World Champion Buggy. There is no need for an updated buggy except for including the aluminum steering rack like the RT6 and SC6.

As far as the new Lazer, it is the next release and I expect it to be here early July from what I hear. Once it comes out, Kyosho will have the best arsenal/fleet out there.
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Old 04-25-2014, 08:05 PM   #10324
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I was and still looking at the DE Racing wheels in black but for now thought I would get the Rit dye out and see how it would go.
So far I'm happy but see what the end result is once they are on the track.

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Old 04-26-2014, 08:52 PM   #10325
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So does everyone still have problems with the bushings having a little bit of play in the one piece shock caps? I remember hearing about some guys having that complaint about them. Thinking of upgrading to them on my Rb5 and just want to make sure they're worth the money.
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Old 04-27-2014, 06:38 AM   #10326
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What's everyone's opinion on rear vs mid motor? When I first got my buggy I ran it a couple times in rear motor and had great results but never felt theat it handled well I always had a push. Now I have switched to mid I feel the car handles a lot better no push almost to much steering but my results with the car have been a lot worse it's weird
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Old 04-27-2014, 03:58 PM   #10327
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Quote:
Originally Posted by Jspires688 View Post
What's everyone's opinion on rear vs mid motor? When I first got my buggy I ran it a couple times in rear motor and had great results but never felt theat it handled well I always had a push. Now I have switched to mid I feel the car handles a lot better no push almost to much steering but my results with the car have been a lot worse it's weird
Typically speaking:
Rear will be easier for most to drive on most racks
Mid requires a slightly different driving style than rear
Mid usually carries more corner speed, but doesn't always like a loose track.

If you had a front push with the RM setup, you can tune that push out. Might take time to get it dialed in. I always played with the rear toe in settings and front tire tread/compound to get the feel I wanted.

MM for me was about .5 sec. faster to 1 sec. faster than the RM, but did take a bit of getting used to. MM seems to reward a more smoother driving style, whereas a RM can be more of a point and shoot.

To me it's more of a preference thing. Almost like Ford vs. Chevy.
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Old 04-30-2014, 12:37 AM   #10328
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Default Kyosho RB6 Video Review

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
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Old 04-30-2014, 02:09 AM   #10329
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Great video Jason I enjoyed it and some good info for people thinking of swapping
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Old 04-30-2014, 03:09 AM   #10330
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Nice vid

About pistons, how whould you rate the 3-holes Kyosho pistons?

From less pack to more pack:
5-holes - 4-holes - ?3-holes? - 2-holes

Is that right?
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Old 04-30-2014, 08:51 AM   #10331
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Quote:
Originally Posted by KalEl63 View Post
Great video Jason I enjoyed it and some good info for people thinking of swapping
Thanks

Quote:
Originally Posted by Gayosaka View Post
Nice vid

About pistons, how whould you rate the 3-holes Kyosho pistons?

From less pack to more pack:
5-holes - 4-holes - ?3-holes? - 2-holes

Is that right?
in general yes.....but pack is hard to predict because its directly related to the velocity of the shock fluid......
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Old 04-30-2014, 09:06 AM   #10332
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Jason is there an update video on the rb6 the only one I've seen is like the first run with it ?
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Old 04-30-2014, 09:07 AM   #10333
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Quote:
Originally Posted by blingy View Post
Jason is there an update video on the rb6 the only one I've seen is like the first run with it ?
http://youtu.be/--e9YAjs8zc
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Old 05-01-2014, 07:15 AM   #10334
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Thnx Jason , the track looks awesome . I'm surprised you and your friend are not running mm that track looks almost perfect for them , thx
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Old 05-01-2014, 11:25 AM   #10335
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Quote:
Originally Posted by Jamiez View Post
"The RB6 is the current World Champion Buggy. There is no need for an updated buggy"

Exactly why I found it odd to hear that a new WC car was coming out.

I appreciate the input! I'm sold on the RB6 and Kyosho. Especially coming from a frustrating fleet of Durango's, that no one in my area drives nor carries parts for.

Be well.
I WAS in the same boat as you. I just replaced a fleet of Durangos DEX/DESC210 R/DESC410R. Team Durango makes fine products, overall I liked them but found the tuning to be a wee bit complicated -- maybe a bit over-engineered (for dirt), as some may say. Also the parts support at local track started to diminish after the Durango hype started to settle down.

First time RB6 hit the track I was on par with the DEX (after months of tuning). I was impressed so much, I bought the SC6. Same result. For now I believe Kyosho has the best out there for me… although the $$$ are hard to swallow.
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