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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 11-15-2012, 03:58 PM   #2611
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Quote:
Originally Posted by Applesauce View Post
Are the trans bearings in the b5 the same as the b6?
other than the wing mounts, its the same tranny and guts.
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Old 11-15-2012, 11:12 PM   #2612
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Just finished building my rb6 and wow I am stocked about this thing and cannot wait to get it out on the track!
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Old 11-15-2012, 11:24 PM   #2613
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You mean Stoked! JK. Welcome to K-Town.
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Old 11-15-2012, 11:38 PM   #2614
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Welcome to the red army bro. Don't forget to breakin the diff gear which of course I didn't know lol. I thought only nitro engine need breakin!

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Originally Posted by OnRDPassion View Post
Just finished building my rb6 and wow I am stocked about this thing and cannot wait to get it out on the track!
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Old 11-16-2012, 09:39 AM   #2615
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An interesting little tid bit to share with you guys. My brother got his RB6 a couple days ago, in the back of the chassis where the transmission sits was 1mm thicker then mine which was from the original shipment. I think am going to call K Town and see about getting one of those chassis.
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Old 11-16-2012, 09:42 AM   #2616
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An interesting little tid bit to share with you guys. My brother got his RB6 a couple days ago, in the back of the chassis where the transmission sits was 1mm thicker then mine which was from the original shipment. I think am going to call K Town and see about getting one of those chassis.
I feel robbed
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Old 11-16-2012, 09:44 AM   #2617
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Sarcasm???
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Old 11-16-2012, 09:45 AM   #2618
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Sarcasm???



In all seriousness, im glad they stepped up and fixed the issue so flaming quickly...
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Last edited by Cpt.America; 11-16-2012 at 09:56 AM.
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Old 11-16-2012, 09:46 AM   #2619
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Quote:
Originally Posted by OnRDPassion View Post
Just finished building my rb6 and wow I am stocked about this thing and cannot wait to get it out on the track!
You will not be disappointed, and if you are you need a head examination j/k...
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Old 11-16-2012, 09:47 AM   #2620
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Originally Posted by Cpt.America View Post



In all seriousness, im glad they stepped up and fixed the issue to flaming quickly...
Funny thing is the manual is still a mess lol.....
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Old 11-16-2012, 09:50 AM   #2621
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Thanks for the info jcopeland. I was wondering when they would make a running change. Thanks! And pm with that they say to you regarding the chassis.
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Old 11-16-2012, 09:52 AM   #2622
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Let us know if they honor the exchange....
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Old 11-16-2012, 09:55 AM   #2623
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I think the first batch of chassis' were not milled correctly and it slipped through the QC department.

It could be a running change though. I just suspect someone programmed the CNC wrong.
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Old 11-16-2012, 09:56 AM   #2624
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Quote:
Originally Posted by jpcopeland1 View Post
An interesting little tid bit to share with you guys. My brother got his RB6 a couple days ago, in the back of the chassis where the transmission sits was 1mm thicker then mine which was from the original shipment. I think am going to call K Town and see about getting one of those chassis.
I am running my replacement chassis with no issue,still looks perfect. A big thanks to Derek at Kyosho.
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Old 11-16-2012, 09:57 AM   #2625
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Quote:
Originally Posted by Posvar View Post
Thanks for the info jcopeland. I was wondering when they would make a running change. Thanks! And pm with that they say to you regarding the chassis.
I will, unfortunately it wont happen until Monday, have to have a faux thanksgiving in San Fran with the partners sister and parents so no racing for me this weekend. 2nd time I am going to be up there this year and cannot go to any tracks *fuming mad*.....

I caught it because when I was building his car for him I noticed that where it upslope on mine towards the tramsmission end of the chassis, it was not even close to being as much of a upslope as mine was. Got out the Calipers and measured, 1mm thicker....
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