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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 08-08-2012, 02:34 PM   #301
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I've had good luck with Savox's LPF servo. It has like 125..

Everyone uses these over powerful servos that just cost more but don't work any better. I looked at old set up sheets and you'll see pros using like 80-100/tq servos, if anything the cars are lighter so nit much more is needed.
That servos fit for duty in a TC. Broke it first time round in a 2wd buggy without servo saver. Was a cheap fix with a new gear set but the gears on that model are sold out many times. Those overpriced ones are tough for a reason (Titanium). Torques just one parameter, durability during a race is more important for me.
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Old 08-08-2012, 08:12 PM   #302
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ive ran the savox 1257tg in all my vehicles from truck to buggy and never had a issue, i think the specs are .07 speed, 133 oz of torque for $67, cant beat that
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Old 08-08-2012, 08:37 PM   #303
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That servos fit for duty in a TC. Broke it first time round in a 2wd buggy without servo saver. Was a cheap fix with a new gear set but the gears on that model are sold out many times. Those overpriced ones are tough for a reason (Titanium). Torques just one parameter, durability during a race is more important for me.
It's offroad, get a servo saver.. Even for that schuie. if you won't protect your gear it will break, that's a no brainer.
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Old 08-08-2012, 09:08 PM   #304
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I don't run servo savers even in my Durango short course with the 1258 savox. Not stripped a gear yet while breaking other stuff. It's not needed that extra complexity. For 10 bucks more I would always go for titanium and more torque with the 1258 just my 0.02. The weight savings are like few grams.
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Old 08-08-2012, 11:41 PM   #305
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Tebo looked good in the RB6 tonight at West Coast....but the win went to Cody Turner in the RB5 WC +13.... still plenty of time to work on setup ...
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Old 08-09-2012, 05:19 AM   #306
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Manual is up guys:

http://www.kyosho.com/eng/support/in...ggy_index.html
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Old 08-09-2012, 07:44 AM   #307
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Thank you!
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Old 08-09-2012, 07:53 AM   #308
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Does Kyosho offer a oil filled gear diff for the RB car? If not, has anyone retorfitted one from another manufacturer?
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Old 08-09-2012, 07:56 AM   #309
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Does Kyosho offer a oil filled gear diff for the RB car? If not, has anyone retorfitted one from another manufacturer?
Hey buddy,

Yes you can fit the gear differential from the RTR SC..same casings but you will have to be very careful when building the diff or it will leak
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Old 08-09-2012, 08:49 AM   #310
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Originally Posted by gelshocker View Post
Thanks!

After looking through the manual, the RB6 uses a lot of RB5's parts and all of RB5's Kyosho Hop up parts (Kyosho only changed the layout of the car)

I also saw that to convert the RB5 WC to the RB6 (only interested in rear motor mount) only require 20+ parts. And the total is about ~$285 USD. (not including body and wing).

If ordering from RC Champ, their price is usually 20% off of msrp. So around [email protected]

Not bad if you want to upgrade your RB5 WC and not really wanting to spend that much.
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Old 08-09-2012, 08:58 AM   #311
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Thanks! thats music to my ears
Quote:
Originally Posted by oosh123 View Post
Thanks!

After looking through the manual, the RB6 uses a lot of RB5's parts and all of RB5's Kyosho Hop up parts (Kyosho only changed the layout of the car)

I also saw that to convert the RB5 WC to the RB6 (only interested in rear motor mount) only require 20+ parts. And the total is about ~$285 USD. (not including body and wing).

If ordering from RC Champ, their price is usually 20% off of msrp. So around [email protected]

Not bad if you want to upgrade your RB5 WC and not really wanting to spend that much.
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Old 08-09-2012, 09:02 AM   #312
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Quote:
Originally Posted by oosh123 View Post
Thanks!

After looking through the manual, the RB6 uses a lot of RB5's parts and all of RB5's Kyosho Hop up parts (Kyosho only changed the layout of the car)

I also saw that to convert the RB5 WC to the RB6 (only interested in rear motor mount) only require 20+ parts. And the total is about ~$285 USD. (not including body and wing).

If ordering from RC Champ, their price is usually 20% off of msrp. So around [email protected]

Not bad if you want to upgrade your RB5 WC and not really wanting to spend that much.
My Rb5 has some upgrades but is not the SP2 or the WC. I wonder if I could upgrade as well???
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Old 08-09-2012, 10:04 AM   #313
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Originally Posted by gelshocker View Post


A quick look-through of the manual, I see the ESC mounts to the chassis, and the receiver mounts to a small shelf above and forward to the ESC. Nice touch! From the pictures, it looked like the receiver was on the battery strap.

I'm impressed, this will be my first kyosho since the first Ultima circa 1987!

Can someone explain what "X-Gear" means? I'm still not sure I understand.
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Old 08-09-2012, 10:18 AM   #314
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Quote:
Originally Posted by oosh123 View Post
Thanks!

After looking through the manual, the RB6 uses a lot of RB5's parts and all of RB5's Kyosho Hop up parts (Kyosho only changed the layout of the car)

I also saw that to convert the RB5 WC to the RB6 (only interested in rear motor mount) only require 20+ parts. And the total is about ~$285 USD. (not including body and wing).

If ordering from RC Champ, their price is usually 20% off of msrp. So around [email protected]

Not bad if you want to upgrade your RB5 WC and not really wanting to spend that much.
You should make and post the list. That way we can all review it and make sure nothing is missing.
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Old 08-09-2012, 10:33 AM   #315
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Can someone explain what "X-Gear" means? I'm still not sure I understand.
X-gear is the company that makes the springs for Kyosho. (i think that's how it works...) Take a close look at the bottom of the packaging:

http://www.amainhobbies.com/product_...-Medium-Soft-2
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