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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 10-09-2012, 11:44 AM   #1276
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Who makes the delrin sus. bushings?
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Old 10-09-2012, 11:44 AM   #1277
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Quote:
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Who makes the delrin sus. bushings?
Kyosho standard part

http://www.amainhobbies.com/product_...Bushing-8-ZX-5
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Old 10-09-2012, 11:48 AM   #1278
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Anybody have a problem with the rear camber link clearing the hub at full compression when using the outer hole?
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Old 10-09-2012, 11:54 AM   #1279
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Anybody have a problem with the rear camber link clearing the hub at full compression when using the outer hole?
Yeah, that can happen. If you raise the camber link on BOTH ends by a mm, it won't change your roll center too much, and it should clear. Or you can shave the ballcup to clear. (i think)
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Old 10-09-2012, 12:28 PM   #1280
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I take that advice back about shaving the ballcup... it says right here on page 5 of the manual:

"To avoid causing irreparable damage, do NOT attempt any modifications".

bummer












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Old 10-09-2012, 12:32 PM   #1281
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Are the shocks on the RB6 different from the ones on the RB5 besides the aluminum top cap?
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Old 10-09-2012, 12:41 PM   #1282
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Is tebo winning anything with this rb6 yet.
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Old 10-09-2012, 12:43 PM   #1283
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He is winning my heart. Does that count?
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Old 10-09-2012, 12:45 PM   #1284
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Lol
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Old 10-09-2012, 12:45 PM   #1285
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Quote:
Originally Posted by Matt Trimmings View Post
Hey guys, had a quick question for you, i was looking through some of the rb6 stuff and it looks like the step 2.0 rear wing is really popular. Then i check the price out and its about $14 for one wing...im a AE guy and usually use the JC wings and get 2 for about $8-10. Are the kyosho wings molded out of a thicker lexan, like the LMR wings? Also, just curious, did any of you used to have a B4.1 that could compare the rb6 to? I just saw my first one run this past weekend and it looked awesome. Thanks!
There is a difference between the Kyosho and JC wings. I have found the Kyosho wings to be more brittle and prone to tearing than the JC. Having said that, I feel like the Kyosho wings function much better.
I ran the B4.1 WC car for about 3 months, switched back to the RB5, and now run the RB6. Hands down, the RB6 is the smoothest car I have owned, and I have had them all. I feel that the RB6 has more on/off power steering and corner speed than the B4.1; not by a huge margin, but definitely noticeable. I will also mention that the RB6 navigates corners with a great deal of fluency and composure, which just makes it easy to drive. As far as traction is concerned, I would say the B4 and the RB6 are on equal grounds, never had any complaints in this department with either car. The RB6 is a very balanced car, consequently, it jumps and handles the rough sections better than the B4.1. Another big factor when I choose a car is durability. I work so much that when I do have free time, I don't want to spend all of it doing maintenance on my rc cars. The B4.1 required so much attention to keep in a "race ready" state; my actual driving time was cut in half. There really is no comparison between Kyosho and Associated quality. If you are going to be at either the AZ states race or SIGP, send me a PM.
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Old 10-09-2012, 12:57 PM   #1286
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Quote:
Originally Posted by arashi View Post
Are the shocks on the RB6 different from the ones on the RB5 besides the aluminum top cap?
If I remember right, my WC big bores came with the x-ring seals, but the RB6 comes with standard silicone o-rings. Those and the caps are the only two differences I noticed in the shocks.
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Old 10-09-2012, 12:58 PM   #1287
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I prefer the standard o rings as have found the x rings bind. They were perfect in my 511.

Crap in std Kyosho shocks.
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Old 10-09-2012, 01:08 PM   #1288
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I prefer the standard o rings as have found the x rings bind. They were perfect in my 511.

Crap in std Kyosho shocks.
Iv used the Xrings and Orings in my big bores... Both are equally smooth, neither let any dirt in, and neither let any oil out... neither seem to stick.
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Old 10-09-2012, 02:05 PM   #1289
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Quote:
Originally Posted by carcrusher46 View Post
If I remember right, my WC big bores came with the x-ring seals, but the RB6 comes with standard silicone o-rings. Those and the caps are the only two differences I noticed in the shocks.
Ok cool that's what I thought. I couldn't figure out why one set of big bore shocks cost more than the other besides the fact one was blue anodized and the other was gunmetal anodized on infernos only dot com.

Please add "www dot infernosonly dot com" to the front of each half link below to view. I guess I'm not allowed to post actual links cause I don't have enough post...

/Kyosho_Rear_Big_Bore_Velvet_Coat_Shocks_38mm_p/kyow5304v.htm

/Kyosho_Rear_Big_Bore_Velvet_Coat_Shocks_38mm_GM_p/kyow5304gm.htm

Am I missing something???

Last edited by arashi; 10-09-2012 at 02:07 PM. Reason: Missing text
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Old 10-09-2012, 03:14 PM   #1290
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Ok cool that's what I thought.
Yep.. the blue colored shock kits and pieces are all cheaper because that color was being discontinued. Functionally, they are the same.
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