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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
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 05-30-2013, 07:50 AM   #6991
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Inconsistent? Mine was very consistent. It must be the dirt you run on. I ran Green compound groovies.
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Old 05-30-2013, 07:59 AM   #6992
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Inconsistent? Mine was very consistent. It must be the dirt you run on. I ran Green compound groovies.
yes, inconsistent. Ribbed tires can push then grab or steer smooth and then grab hard. Really depends on the surface and how many ruts are in it. We run on a very hard packed surface that will have a layer of dust on it. It's fairly low bite, so any 'grabbiness' on the front end is felt double on the rear. If it's early in the race day, or the track just hasn't deteriorated much that day, it's a non factor.
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Old 05-30-2013, 08:08 AM   #6993
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Anyone know a place that has the K Alum. Hubs in stock at a reasonable price?
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Old 05-30-2013, 08:41 AM   #6994
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Strc has hubs. I've had 2 sets and no complaints. I have the .5 and the 0* I would buy them again and try are half the price if the kyosho hubs.
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Old 05-30-2013, 08:47 AM   #6995
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yes, inconsistent. Ribbed tires can push then grab or steer smooth and then grab hard. Really depends on the surface and how many ruts are in it. We run on a very hard packed surface that will have a layer of dust on it. It's fairly low bite, so any 'grabbiness' on the front end is felt double on the rear. If it's early in the race day, or the track just hasn't deteriorated much that day, it's a non factor.
I had that issue with my tlr22. I tried some Suburbs up front and they were much smoother. If you have a lot of fluff though, they might not be great. We sweep the track here and it does not really break up much
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Old 05-30-2013, 08:47 AM   #6996
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Picking mine up Saturday or Sunday, so my question is.. What are the most common parts that break? As my LHS do not carry Kyosho. Thank you!
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Old 05-30-2013, 08:54 AM   #6997
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well, front arms obviously. Rear suspension hangers, rack, rear camber block and I might get a set of front and rear towers, but those rarely break, but its possible. If you get the alum exotek rear suspension holders, then you can ignore that. Keep in mine a spare set of plastic ones is about the cost of the front alum hanger...which is the main one that breaks. read up on grub screws for the rear camber block, it "helps" with issues.
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Old 05-30-2013, 08:57 AM   #6998
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Quote:
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Picking mine up Saturday or Sunday, so my question is.. What are the most common parts that break? As my LHS do not carry Kyosho. Thank you!
Check out the first post. Capt. and the guys did a nice job of putting together a FAQ for the RB6.
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Old 05-30-2013, 10:02 AM   #6999
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After trying the front holeshots in m3 and m4, I won't go back to the groovies ever. Hook up much more consistently, that pesky breaking in ribbed tires is non existent. Glue and go pretty much. They do wear quickly though.
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Old 05-30-2013, 10:37 AM   #7000
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Jconcepts making parts now for our cars
http://www.redrc.net/2013/05/jconcep...r-shock-tower/
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Old 05-30-2013, 10:42 AM   #7001
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Anybody using carbon fiber front towers? Do you know if or how much weight savings it is? I would buy them just for looks my car is pretty dialed but always adding tricky bling parts
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Old 05-30-2013, 10:44 AM   #7002
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Anybody using carbon fiber front towers? Do you know if or how much weight savings it is? I would buy them just for looks my car is pretty dialed but always adding tricky bling parts
No info on weight savings. I dont have a single piece of carbon in mine. My ocd won't let me run front carbons and rear plastics . So until someone makes a rear cf not for me.
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Old 05-30-2013, 11:08 AM   #7003
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Quote:
Originally Posted by Wildcat1971 View Post
I had that issue with my tlr22. I tried some Suburbs up front and they were much smoother. If you have a lot of fluff though, they might not be great. We sweep the track here and it does not really break up much
I run on a predominantly 8th scale / 4wd SCT track. They do their best by blowing it off and wetting it to keep the dust down but once that water hits, it's like driving on ice. Catch 22...
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Old 05-30-2013, 11:15 AM   #7004
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Originally Posted by aloksatoor View Post
Jconcepts making parts now for our cars
http://www.redrc.net/2013/05/jconcep...r-shock-tower/
Yeah, I'm waiting for the wing mounts.
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Old 05-30-2013, 12:09 PM   #7005
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I'm waiting for hubs! Hopefully JC makes some..
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