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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 04-22-2013, 10:42 PM   #6316
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Quote:
Originally Posted by Jetboat_Jake View Post
You hang out at wcrc huh? Ahaha
@ jake now that's funny, I stopped by to get a couple parts for my B4 and was then told all the great things about Kyosho with no real facts. Hence why I'm here asking
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Old 04-22-2013, 11:42 PM   #6317
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The RB6 doesn't have some magical advantage when you strap a 17.5 in, as apposed to a 10.5 or faster. It's still the same car with the same advantages, and the b4.2 is still the same car with IT'S same advantages as well.

They are just two different cars, with different sets of pros and cons.
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Old 04-23-2013, 12:35 AM   #6318
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Thanks Jason, figured it was something simple. Have you been having success with the saddles vs shorty? Cody was trying them at JBRL last week and he TQed and won pretty easily.
It basically adds more weight to the rear, so if you want less weight (traction) run the shorty.
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Old 04-23-2013, 08:17 AM   #6319
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is anyone using this horn and know if you can purchase the inserts separately?
http://www.amainhobbies.com/product_...-Horn-Gunmetal
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Old 04-23-2013, 01:06 PM   #6320
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when I was wiring up my electronics I noticed that most of my sensor wires were too long or were bad. How long of a sensor wire are you guys using? 150 or 200?
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Old 04-23-2013, 01:22 PM   #6321
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What rear spring comes with the car? I can't tell if they are pink or red
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Old 04-23-2013, 01:22 PM   #6322
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Quote:
Originally Posted by hobdog View Post
What rear spring comes with the car? I can't tell if they are pink or red
Pink Front
Red Rear
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Old 04-23-2013, 01:35 PM   #6323
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Originally Posted by Wildcat1971 View Post
when I was wiring up my electronics I noticed that most of my sensor wires were too long or were bad. How long of a sensor wire are you guys using? 150 or 200?
I'm using the 175 from TQ

http://www.tqracing.com/sensor.htm

It depends on where you mount the speedo, what speedo and what motor, they can all change the length required by a good bit.
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Old 04-23-2013, 01:40 PM   #6324
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Originally Posted by Cpt.America View Post
Pink Front
Red Rear
Thx
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Old 04-23-2013, 01:49 PM   #6325
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Quote:
Originally Posted by hobdog View Post
What rear spring comes with the car? I can't tell if they are pink or red
Quote:
Originally Posted by Cpt.America View Post
Pink Front
Red Rear
I have the same problem, identifying colors on Kyosho springs. Especially after they have some run time on them, the paint starts to chip away until gone. What I did was get some color heat shrink tubing and now slide a small piece on and use a heat gun. Kind of like Avid does with their springs.

Funny thing is I couldn't find pink shrink tube so I used baby blue for pink and I use green for gold. What a stir that caused at the track. I got questions from "did kyosho come out with new springs" to "did you have custom springs made". Anyway I enjoy watching them squirm for about an hour til I let the cat out of the bag.

The best one I have seen was a one of our sponsored drivers (who is a good guy and spends countless hours helping the rest of us out) brought a bottle of tire sauce in an unmarked bottle with tape all around it like he was hiding the brand of what he was using. At the end of the night he drank the remaining portion, it was just water to clean tires.
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Old 04-23-2013, 03:50 PM   #6326
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Originally Posted by Turbo911 View Post
Funny thing is I couldn't find pink shrink tube so I used baby blue for pink and I use green for gold. What a stir that caused at the track. I got questions from "did kyosho come out with new springs" to "did you have custom springs made". Anyway I enjoy watching them squirm for about an hour til I let the cat out of the bag.
The best one I have seen was a one of our sponsored drivers (who is a good guy and spends countless hours helping the rest of us out) brought a bottle of tire sauce in an unmarked bottle with tape all around it like he was hiding the brand of what he was using. At the end of the night he drank the remaining portion, it was just water to clean tires.
That tire juice story is funny, I love it. Gotta do that. When I was racing hardcore I took off the factory spring colors and repainted them different colors, everybody thought I had the most bizarre setups ever.
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Last edited by asc6000; 04-23-2013 at 06:35 PM.
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Old 04-23-2013, 07:01 PM   #6327
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Tebo hasn't provided his RB5 axle spacing in a while with his setups. Does anyone know what it is or the best starting position for the RB5 axle and hex? Thanks.
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Old 04-23-2013, 08:47 PM   #6328
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Quote:
Originally Posted by Turbo911 View Post
I have the same problem, identifying colors on Kyosho springs. Especially after they have some run time on them, the paint starts to chip away until gone. What I did was get some color heat shrink tubing and now slide a small piece on and use a heat gun. Kind of like Avid does with their springs.

Funny thing is I couldn't find pink shrink tube so I used baby blue for pink and I use green for gold. What a stir that caused at the track. I got questions from "did kyosho come out with new springs" to "did you have custom springs made". Anyway I enjoy watching them squirm for about an hour til I let the cat out of the bag.

The best one I have seen was a one of our sponsored drivers (who is a good guy and spends countless hours helping the rest of us out) brought a bottle of tire sauce in an unmarked bottle with tape all around it like he was hiding the brand of what he was using. At the end of the night he drank the remaining portion, it was just water to clean tires.
Where did you find the heat shrink. What size?
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Old 04-23-2013, 09:20 PM   #6329
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I'm going to place an order for some spares shortly. Any suggestions on what I should stock up on? Also which springs are the common ones for tuning. I see most setups are pink front and white / gold rears. I will be running outdoors for now on low bite surface.
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Old 04-23-2013, 09:26 PM   #6330
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I'm going to place an order for some spares shortly. Any suggestions on what I should stock up on? Also which springs are the common ones for tuning. I see most setups are pink front and white / gold rears. I will be running outdoors for now on low bite surface.
Low bite? I would start pink-F/gold-R for springs. Alu steering rack is a good idea as they are a tad weak in the plastic kit form... same with the rear suspension hangers (see post #1), and a spare rear upper bulkhead is desirable if you don''t have the exotek alu version. Other then that, the car seems pretty bullet proof. I have yet to break a part on this car.

Have said THAT, I do carry all 4 arms, turnblocks and caster blocks for the car in my pit bag, and haven't needed any of them yet and iv been running the car since the day it came out.
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