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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 09-30-2013, 04:27 PM   #8311
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Is there any advantage of the new aluminum suspension holders over the old ones? I have the old ones?
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Old 09-30-2013, 05:34 PM   #8312
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More adjustability.

With the new hangers you can run narrow and wide plus more.
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Old 09-30-2013, 05:56 PM   #8313
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I am going to order one of these!!
What additional (upgrade) parts do I really need out of the box?
Thx
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Old 09-30-2013, 06:29 PM   #8314
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Quote:
Originally Posted by Speedychris22 View Post
Is there any advantage of the new aluminum suspension holders over the old ones? I have the old ones?
Adjustability.
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Old 09-30-2013, 07:11 PM   #8315
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Originally Posted by Jochim_18 View Post
I have run my 22 mid motor since it came out and learned a lot how mid motor works... Pro squat is the key to get forward bite... 0 degree anti-squat and add 2mm shims on the RF hanger to get 2 degree of Pro-squat what it does is force the weight to be transferred on the rear to give you more forward bite, try using longest link on the rear, 2mm on inner/outer ball stud, believe or not transverse battery position will give a lot of forward bite but the car will be unpredictable to drive in corners and its not well balance mounting the battery that way...
I'm glad I read this. just switched to mid motor but i was worried about getting the weight to transition rearward quickly. 2 mm spacer? what are the negative effects?
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Old 09-30-2013, 08:19 PM   #8316
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Quote:
Originally Posted by martindavis View Post
I am going to order one of these!!
What additional (upgrade) parts do I really need out of the box?
Thx
Steering link, front bar... Check the first page for valuable infos
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Old 09-30-2013, 09:44 PM   #8317
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Looking to get the new RF rear hangers since I finally broke a plastic one, but cant seem to find them instock anywhere and ive been on the backorder list on Amain forever. Anyone know when they will be back instock or where I can get one?
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Old 09-30-2013, 09:57 PM   #8318
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Check speedtechrc
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Old 09-30-2013, 10:01 PM   #8319
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Back ordered there too.
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Old 09-30-2013, 10:03 PM   #8320
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http://www.ebay.com/itm/Kyosho-KYOUM...item2580e3ea40
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Old 10-01-2013, 03:39 AM   #8321
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Originally Posted by martindavis View Post
I am going to order one of these!!
What additional (upgrade) parts do I really need out of the box?
Thx
Don't really need any but the weakest links would be the steering link and RF hanger I think.

Didnt the front brace get a running update?

Everything else is for a bit of extra adjust ability or just bling.
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Old 10-01-2013, 05:59 AM   #8322
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I am currently running rm and was thinking about switching to mm. what advantages would i see by swithching over. also anyone running lunsford titanium ball studs? if so which size?
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Old 10-01-2013, 07:27 AM   #8323
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Originally Posted by Life_livin View Post
Looking to get the new RF rear hangers since I finally broke a plastic one, but cant seem to find them instock anywhere and ive been on the backorder list on Amain forever. Anyone know when they will be back instock or where I can get one?
I think Exotek makes their own version. Not sure if it's the same or not.
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Old 10-01-2013, 08:28 AM   #8324
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Originally Posted by stiltskin View Post
I think Exotek makes their own version. Not sure if it's the same or not.
Did you just break the front one? If so, the other "RF2" hanger that comes on the tree has the same dimensions but just less material I believe. I measured it the other day.
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Old 10-01-2013, 08:29 AM   #8325
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Originally Posted by Shimmy View Post
Don't really need any but the weakest links would be the steering link and RF hanger I think.

Didnt the front brace get a running update?

Everything else is for a bit of extra adjust ability or just bling.
The front brace is a running change.
It also looks like the chassis has a few more holes for battery placement.

I have been running the RB6 since its release, i go threw front bumpers front arm holder and front arms.

Upgrades i would recommend rear hubs , suspension hangers and steering link.
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