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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 05-08-2013, 03:07 PM   #6721
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Quote:
Originally Posted by RodneyB View Post
Not too bad of wear on the buggy I suppose (it is a big stretch to say they don't wear at all) but on the SCT they wear alarmingly fast around the bearings. And this type of wear leads to inconsistent feel on the track in my experience.

Looks like this will help with a replaceable insert.
Well, I'v been running the same Alu-0s for the last 2 years (got them for my rb5, and moved them to my rb6), and they look and feel like they did the day I bought them. Bearing fit is still 100% snug... and I typcaly put in about 15-20+ packs a week, with some weeks reaching 40.

Ran the same 0s on my SC for almost a year (not nearly as much run time), but they were old used ones I got on a different car. They were old blue ones where somebody actually scraped off all the annodizing. they looked like hell from all the use, but the bearing fit/finish/feel was still 100% plush.

So yes... from my experience, they don't wear. (at least at the bearings... they might wear after a long while at the hingepin).
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Old 05-08-2013, 06:47 PM   #6722
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My blue alum hubs are beginning to develop some slop at the large bearing (rb5). The car had gone through some bashing though, instead just being pampered at a track

IMHO if Kyosho wanted to replace the 'v1', which they are, then why bother with stamping 'v2' on them? It's like different horses for different courses? And would I still need the brass bushing between the bearings? Personally it rubs me up the wrong way with all these fidgety plastic in the hubs that I need to look after. Slap on the hubs and be done with it. Anyway my OCD is taking over me I need to lie down Cheers,
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Old 05-08-2013, 06:53 PM   #6723
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@ Cpt. America - With the 12.5mm Hi torque rotor in a Revtech 17.5 does it really bring it to life, compared to a regular Revtech 17.5 w/ a stock rotor and full timing?
Thanks.
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Old 05-08-2013, 07:02 PM   #6724
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@ Cpt. America - With the 12.5mm Hi torque rotor in a Revtech 17.5 does it really bring it to life, compared to a regular Revtech 17.5 w/ a stock rotor and full timing?
Thanks.
It's at least .2 if not .5 on my home carpet sedan track. Enough to where I wouldn't dare run a stock rotor 17.5.
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Old 05-08-2013, 07:40 PM   #6725
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What is the part number for the bushings when using the aluminum rear hangers?
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Old 05-08-2013, 07:43 PM   #6726
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Originally Posted by umm winning View Post
@ Cpt. America - With the 12.5mm Hi torque rotor in a Revtech 17.5 does it really bring it to life, compared to a regular Revtech 17.5 w/ a stock rotor and full timing?
Thanks.
It gives you more low end pop which is great in stock buggy. I currently run a ht in my d3.5 and it is wicked fast

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Old 05-09-2013, 01:14 AM   #6727
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What is the part number for the bushings when using the aluminum rear hangers?
These? LAW32
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Old 05-09-2013, 05:05 AM   #6728
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Brandon, is the battery tiedown strap you are using the kyosho rb5 carbon one cut down? umw503? Any issues with it moving?
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Old 05-09-2013, 05:12 AM   #6729
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^^^^^yea.

Here is mine. Zero issues with anything moving.
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Old 05-09-2013, 05:22 AM   #6730
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cool thanks
might go down this route. chop off another 10 or 15g.
Also might go back to LRP X20 motors. 10g lighter than reedys haha.
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Old 05-09-2013, 07:27 AM   #6731
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That's pretty clean. I actually may do that myself.
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Old 05-09-2013, 07:43 AM   #6732
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I have actually cut a few and sold them for $20 shipped.

I may have couple full size ones in my box.
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Old 05-09-2013, 07:49 AM   #6733
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That's pretty clean. I actually may do that myself.
I did the same. It holds well and I think it looks a lot cleaner than the stock or exotek setup.
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Old 05-09-2013, 08:39 AM   #6734
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I did the same. It holds well and I think it looks a lot cleaner than the stock or exotek setup.
Most important thing about RC Cars is how they look!

If that wasn't true, I would probably still be driving a XXX
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Old 05-09-2013, 08:52 AM   #6735
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I have actually cut a few and sold them for $20 shipped.

I may have couple full size ones in my box.
Send me a PM if ya have one. If not, I'm just going to order one next week.
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