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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 10-06-2012, 10:14 AM   #1141
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when i did my shocks i just used one of the big id washers ( like for the axles) and slid it over the bushing and snugged it to the shock, fits nice, no play
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Old 10-06-2012, 10:22 AM   #1142
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I too was wondering why they reverted back to the old slipper. I run a hybrid slipper assembly; white pad and non-vented plate in the rear and the red pad with the vented disc up front, I also use the WC spring retaining washers. This set up provides the most consistency I've found. Finally drove the buggy last night, and I have to say, it is awesome. Stuck to the track and has good steering out of the box. I have added 14g of weight behind my servo (KO low profile) and the car rotated incredibly well. Can't wait to race it tonight.... Just FYI, I am pretty much running tebo's nat set up, with a few minor changes.
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Old 10-06-2012, 10:36 AM   #1143
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Quote:
Originally Posted by jpcopeland1 View Post
Mine were on the tree with the old useless plastic Hexes. But loose in the bag.
All-be-damned... there they are. Two tiny little plastic things. How disappointing! Im going to have to go buy another WC slipper assembly for my RB6. Thanks for finding those in my bag for me

Another thing that just amazes me, is how far off the cut lines are on the front of the body! I never use body clips, I always use velcro, so I just cut the entire front piece of the body off. Much better.
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Old 10-06-2012, 11:13 AM   #1144
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I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
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Old 10-06-2012, 11:34 AM   #1145
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Originally Posted by t8rtot View Post
I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
The actual nut? or the whole thing including the white thingie it goes into? Durango has the correct size nut you need. Hope you know of a local dealer who stocks Durango parts. All of my diff stuff came in one bag.
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Old 10-06-2012, 11:37 AM   #1146
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Quote:
Originally Posted by Cpt.America View Post
All-be-damned... there they are. Two tiny little plastic things. How disappointing! Im going to have to go buy another WC slipper assembly for my RB6. Thanks for finding those in my bag for me

Another thing that just amazes me, is how far off the cut lines are on the front of the body! I never use body clips, I always use velcro, so I just cut the entire front piece of the body off. Much better.
FYI guys Avid has a slipper unit in the works for this transmission . like the triad system . thats what i am going to wait for
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Old 10-06-2012, 01:18 PM   #1147
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FYI guys Avid has a slipper unit in the works for this transmission . like the triad system . thats what i am going to wait for
I built one for my brother B4 last night, It is very nice. All they need to go is change the holes. Shouldn't take long at all.
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Old 10-06-2012, 01:44 PM   #1148
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I'm new to electric offroad. Are we to drill small holes in the front wheels? The rear wheels had 2 holes pre-drilled. I'm pretty sure I do but wanted to make sure. Also, I ordered and received front tires (Sweep 10Droids) that are intended for 4wd buggies. They fit on the wheels fine. Can I run theses? I'll be racing on a med/high bite indoor clay track.
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Old 10-06-2012, 01:57 PM   #1149
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I'm new to electric offroad. Are we to drill small holes in the front wheels? The rear wheels had 2 holes pre-drilled. I'm pretty sure I do but wanted to make sure. Also, I ordered and received front tires (Sweep 10Droids) that are intended for 4wd buggies. They fit on the wheels fine. Can I run theses? I'll be racing on a med/high bite indoor clay track.
Not the best choice of tire I would think for indoor clay, I would have gone either Gold Bar Codes or V1. clay compound Scrubs. As far as the tire size. You can run them if your track or club doesn't adhere to any types of rules such as no boost on speed control if running blinky mode in stock spec class, weight, car width (those tires will make your car illegal width wise in the front). Things like that. I only drill holes in my rims if I am running closed cell foams in the front which I am finding I am doing less and less these days. If you see that your tires seem to have a balloon shape to them, or feel like they are full of air, the easiest thing to do would be to take a body reamer and make small holes in the rim to let the air escape. I don't punch holes in my tires anymore due to the fact that it seems to disintegrate Closed cell foams much faster then I would like.
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Old 10-06-2012, 02:40 PM   #1150
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Originally Posted by t8rtot View Post
I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
It's in a square white plastic sprue, pictured in this link
Or you can use the alloy t-nut for the Tamiya diff if you want to upgrade
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Old 10-06-2012, 06:41 PM   #1151
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Went a little different route and made the window one piece instead of two. What do you think?
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Old 10-06-2012, 06:51 PM   #1152
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Quote:
Originally Posted by t8rtot View Post
I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
I have a bunch of them if you need one...
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Old 10-06-2012, 07:10 PM   #1153
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Guys I appreciate the help, my 5yr old thought the whole piece looked good as a take in her doll house.

Crisis averted.

I'll have pics up tomorrow
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Old 10-06-2012, 07:45 PM   #1154
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Was thinking of getting this buggy but I race stock normally. I hav a ton of money tied up in my rb5 and it's awesome. Do you think this is more of a mod car Cause of its weight?
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Old 10-06-2012, 07:54 PM   #1155
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its roller weight is within a few grams of the 22.. That's lighter than the 210.. I say it should be fine. I'll let you know in one week if you haven't purchased by then
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