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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 12-06-2013, 04:41 PM   #8851
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Quote:
Originally Posted by Speedychris22 View Post
Just get the Avid axles and be done with it.
the axles are not going to solve the width issue using other wheels creates.

standard axles are fine just use serrated wheel nuts like the JConcepts ones.
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Old 12-06-2013, 07:12 PM   #8852
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Quote:
Originally Posted by Razathorn View Post
You might try going up to 24mm in the rear if the track is that slick.
What do you mean? Ride height?
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Old 12-06-2013, 11:32 PM   #8853
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Just finished building my kit and I have to say, the shocks and ball diff are the smoothest things I've ever built.
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Old 12-07-2013, 10:15 AM   #8854
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Quote:
Originally Posted by rpboggs1 View Post
What do you mean? Ride height?
Yes, they are talking about ride height.
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Old 12-07-2013, 03:51 PM   #8855
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I see that UMW719 Rear Bulk Weight Set mid motor is coming out this month
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Old 12-07-2013, 04:01 PM   #8856
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So I ran my 6 for the first time today. It seems to have too much steering, is there a way to tone it down a little bit? Other then that this thing is absolutely dialed. Best buggy I have ever drove. It hooks up awesome, flies absolutely great, and just feels so planted. Another thing, how do you guys keep the rear tires from hitting the wing when hitting a jump, and landing a jump? I used the stock holes and it hit so bad that I moved the wing back about 6 mm but it still hits.
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Old 12-07-2013, 07:10 PM   #8857
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Quote:
Originally Posted by nickdawg18 View Post
So I ran my 6 for the first time today. It seems to have too much steering, is there a way to tone it down a little bit? Other then that this thing is absolutely dialed. Best buggy I have ever drove. It hooks up awesome, flies absolutely great, and just feels so planted. Another thing, how do you guys keep the rear tires from hitting the wing when hitting a jump, and landing a jump? I used the stock holes and it hit so bad that I moved the wing back about 6 mm but it still hits.
I prefer the JC 6.5" hi clearance wing, there is one with the cutouts for K cars.
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Old 12-07-2013, 07:52 PM   #8858
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JC wings are good or even the Upgrade wings. I prefer the upgrade and LMR wings. Very durable.
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Old 12-07-2013, 08:23 PM   #8859
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Quote:
Originally Posted by skengines View Post
JC wings are good or even the Upgrade wings. I prefer the upgrade and LMR wings. Very durable.
Glad to hear upgrade wings are good. They had a black Friday deal goin. 30% off any order and got a vortex 10 wing for free! Couldn't pass that up
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Old 12-07-2013, 09:44 PM   #8860
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Is there a go to setup for mid motor on medium bite clay?
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Old 12-07-2013, 10:39 PM   #8861
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anyone have the new JConcepts motor plate? I just replaced all the gears in my transmission because it started getting noisy, only to find out my stock motor plate was slightly tweaked. Looks like a new motor plate for me.
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Old 12-08-2013, 12:16 AM   #8862
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Originally Posted by cnelson3 View Post
anyone have the new JConcepts motor plate? I just replaced all the gears in my transmission because it started getting noisy, only to find out my stock motor plate was slightly tweaked. Looks like a new motor plate for me.
A local guy has one and it looks super sick!!
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Old 12-08-2013, 01:09 AM   #8863
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Quote:
Originally Posted by KalEl63 View Post
I see that UMW719 Rear Bulk Weight Set mid motor is coming out this month
Thanks for sharing, going to add it to my list even though I just spent 27 on the AE TC6 set.
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Old 12-08-2013, 11:00 AM   #8864
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I think im gonna try 29 of caster this weekend to tame the steering. Has anyone tried 34 of caster? Is it way too much?
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Old 12-08-2013, 11:19 AM   #8865
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Default lower shock balls

Is anyone using metal lower shock balls? If so are they any of the below:
KYOW0136 (hard steel)
KYOW0201H (alum)
SER1647 (Serpent steel)
SER804251 (Serpent alum)
TKR5058A (Tekno alum)

The Kyosho balls don't seem to have the short straight section on either end of the ball that the stock molded parts do, though if they're 5 mm wide that should be all that matters.
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