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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 10-21-2014, 09:54 PM   #10936
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What the crap they lowered the price even more... They were selling that 2 days ago (same link) for $380 now it's $330. If I would've known that I would've plugged the plug on that instead of the used one I bought.

So I did just buy a RB6, I was thinking of possibly getting a new chassis just to make it in better shape. Would I be better off getting the OEM or the lightweight?

Thinking I'm going to race stock, but considering mod also.
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Old 10-22-2014, 06:14 AM   #10937
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From what I've heard the lightweight chassis is good for flex. If that's something you'd want. Its suppose to help on low bite surfaces with gained traction from the flexing. I run one and I'm finally getting the car dialed in.
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Old 10-22-2014, 06:20 AM   #10938
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Taken from kyosho America: Description
UMW720 Lightweight Main Chassis (A7075T6/RB6)
Optional lightweight chassis for RB6. Added milling in the rear allows for more flex resulting in added traction on low bite surfaces, and milling in the sides adds torsional flex for a bit more forgiveness on high bite surfaces. 25 grams lighter than stock!
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Old 10-22-2014, 02:52 PM   #10939
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Why does that price on Amazon keep getting cheaper by the day?
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Old 10-22-2014, 04:29 PM   #10940
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Quote:
Originally Posted by 3srcracing View Post
Why does that price on Amazon keep getting cheaper by the day?
Maybe there is a quietly anticipated rb7 on the way.
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Old 10-22-2014, 05:03 PM   #10941
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Is there really suppose to be a new Rb7 or whatever coming out?

Or you think Amazon is just trying to get rid of them?
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Old 10-22-2014, 05:41 PM   #10942
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Quote:
Originally Posted by bounced View Post
Is there really suppose to be a new Rb7 or whatever coming out?

Or you think Amazon is just trying to get rid of them?
I know nothing about it. Just making a comment. Anything is possible. It does seem weird that the price had fallen over $100 though. Either way. $315 is a steal.
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Old 10-22-2014, 06:17 PM   #10943
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It's down to 313. It still has only 6 left.

I gotta get one. Will it go lower!?
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Old 10-22-2014, 06:47 PM   #10944
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Through what I read, it seems it will. It's based off people who buy it, and competitor pricing.

I'm going to hold up, until Saturday and see. They said it's not uncommon for it to be 60-85% off the retail price they list. Seems like if they does go back up before it goes down it will only be $10-15
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Old 10-22-2014, 07:48 PM   #10945
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RB6 price is at 29,400 Yen around 270++USD (shipping not included) from Futaba Pro shop. I saw this price about 2 months ago.

http://www.pro-s-futaba.co.jp/store/...ducts_id=28861
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Old 10-22-2014, 07:50 PM   #10946
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1 - Go to http://www.Slickdeals.net/PriceTracker/
2 - Put in the link to the kit on Amazon
3 - Receive email updates whenever the price changes
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Old 10-23-2014, 08:29 AM   #10947
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Quote:
Originally Posted by bounced View Post
Is there really suppose to be a new Rb7 or whatever coming out?

Or you think Amazon is just trying to get rid of them?
Considering that kyosho just changed all of their race chassis' to the updated "6" models I wouldn't think so. LLet's remember the rb6 is around 2 years old.... I wouldn't be surprised to hear of an updated version like an sp model or something
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Old 10-23-2014, 11:26 PM   #10948
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The price was a mistake, I doubt they will put it up like that again, they lost out pretty big on these sales.
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Old 10-24-2014, 06:22 AM   #10949
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I'm not so sure. Looks like Amazon liquidated their inventory, and now have them listed by another seller.

That old price was a deal and a half.
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Old 10-24-2014, 07:52 AM   #10950
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Ya crazy deal they had going on. They were losing money because cost isn't that low.

What steering rack is the best to get/cheapest.
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