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Kyosho Ultima RB6 & RB6.6 Car Thread

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Kyosho Ultima RB6 & RB6.6 Car Thread

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Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 07-07-2013, 11:41 PM
  #7501  
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Hi,
Can anyone measure the length between two battery posts, side to side ?
Im a dex210 owner and wants to know if I can use the RB6 battery strap on my car.
Thanks

Owe Holm
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Old 07-08-2013, 12:16 AM
  #7502  
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Looks like he's using losi wheels. That's your problem.
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Old 07-08-2013, 12:41 AM
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Originally Posted by Tom87
Looks like he's using losi wheels. That's your problem.
Yep it's not K wheel. First pic top right corner there's a brand stamp on the wheel. PL?
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Old 07-08-2013, 01:02 AM
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for non Kyosho wheel users Avid have solved the axle thread issue

http://www.avidrc.com/company/news/1...onversion.html
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Old 07-08-2013, 02:20 AM
  #7505  
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Have you tried the avid axles yet Ben? Is the rear width the same as standard kyosho wheel vers avid with pl, jc eats wheel?
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Old 07-08-2013, 02:56 AM
  #7506  
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Originally Posted by Tom87
Have you tried the avid axles yet Ben? Is the rear width the same as standard kyosho wheel vers avid with pl, jc eats wheel?
I have them ready for my new car when I build it next month. Kurt has made them the same width as the current Kyosho ones.

If memory serves someone measured the difference in track width and when using non Kyosho wheels the width is 2mm less. Im just going to run a shim on the outside of the hex to address this.
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Old 07-08-2013, 03:34 PM
  #7507  
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Originally Posted by ridgeracer
Hi,
Can anyone measure the length between two battery posts, side to side ?
Im a dex210 owner and wants to know if I can use the RB6 battery strap on my car.
Thanks

Owe Holm
Thanks for your help Kyoshoguys
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Old 07-08-2013, 05:00 PM
  #7508  
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Is there a spring chart somewhere that has the Kyosho springs in comparison of other brands ( ie Losi, Associated, Avid , etc ) .
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Old 07-08-2013, 05:08 PM
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Originally Posted by EJF
Is there a spring chart somewhere that has the Kyosho springs in comparison of other brands ( ie Losi, Associated, Avid , etc ) .
yes,on page 1...1st post
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Old 07-08-2013, 10:08 PM
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I am looking to buy a rb6 what all other kyosho parts or aftermarket kyosho parts would I have to buy to be able to race the buggy out of the box??? Springs.shock pistons. Rear hubs?????
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Old 07-08-2013, 10:10 PM
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Absolutely nothing, the car is as competitive as it gets out of the box. You may need stiffer springs, but every track/driver varies.
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Old 07-08-2013, 10:30 PM
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Guys,

I have an RB-6 I just bought new 3 weeks ago and ran in the Top Notch Race and Panther Summer Slam. Just got picked up by another company so I will be selling this car along with my B4

Currently set up mid motor

Has 2 sets of v2 hubs, aluminum steering racks, spare parts, etc

Email me for details, [email protected]
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Old 07-08-2013, 10:38 PM
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Which company I hope it is the one I am thinking of!
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Old 07-08-2013, 10:49 PM
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Hey guys how's your RB6 bulldog holding up? Mine's received a 2 inch rip at the back along those one of the acute angled body lines. First run with it! The Blade body is holding up. Thanks,
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Old 07-08-2013, 11:25 PM
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Originally Posted by Team G Racing
Absolutely nothing, the car is as competitive as it gets out of the box. You may need stiffer springs, but every track/driver varies.
Thank u. Now is there a kyosho spring chart I can see?
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