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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 02-14-2014, 10:17 PM   #9841
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Originally Posted by CaseyD View Post
Well it says all the chassis has to do is "accept" either of the two not where they can be right.
Correct, but technically you would not be allowed to change the ESC mounting or anything other than foam spacers. Just swap shorty and saddle.
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Old 02-14-2014, 11:06 PM   #9842
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Kyosho rim in blue, AKA rim in red. Same tire, same insert (And-1 cut down the same).

The AKA rim comes out smaller diameter, width, and track width when installed. Might be difficult to see from the poor pics but they're there for illustration.

Anyone notice the AKA hexlite comes out smaller/narrower in all 3 areas below? Just wish to confirm. Cheers,
Attached Thumbnails
Kyosho Ultima RB6 & RB6.6 Car Thread-img_0316b.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_0317b.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_0318b.jpg  
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Old 02-14-2014, 11:48 PM   #9843
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Originally Posted by gelshocker View Post
Kyosho rim in blue, AKA rim in red. Same tire, same insert (And-1 cut down the same).

The AKA rim comes out smaller diameter, width, and track width when installed. Might be difficult to see from the poor pics but they're there for illustration.

Anyone notice the AKA hexlite comes out smaller/narrower in all 3 areas below? Just wish to confirm. Cheers,
They seem smaller all the way around and the offset of the hex will be off too making it more narrow.

Kyosho wheels are it's own unique offset although they are 12mm. I believe DE has the kyosho offset but I haven't tried them.
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Old 02-15-2014, 01:19 AM   #9844
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Speaking of wheel hex offsets (sorta surprised the front offset was closer than I thought)...

How far is the offset front and rear for the AKA Evo wheels compared to the Kyosho wheels?
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Last edited by Kuya_Kimo; 02-15-2014 at 01:46 AM.
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Old 02-15-2014, 04:13 PM   #9845
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i was just wondering if some one can give me some electronics setup tips for my new rb6 looking to get the most rear traction out of it. with my old losi 22 2.0 people were removing the trany to chassis brace to move the battery tight to the motor is any one doing this with the k car? basically my track has good traction but gets really dusty and loose twords the end of the race night. so do i go battery all the way back or battery middle with esc behind? thery are so many options it would just be nice to hear from some one with exsperience with this car thanks.
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Old 02-15-2014, 04:32 PM   #9846
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i was just wondering if some one can give me some electronics setup tips for my new rb6 looking to get the most rear traction out of it. with my old losi 22 2.0 people were removing the trany to chassis brace to move the battery tight to the motor is any one doing this with the k car? basically my track has good traction but gets really dusty and loose twords the end of the race night. so do i go battery all the way back or battery middle with esc behind? thery are so many options it would just be nice to hear from some one with exsperience with this car thanks.
Cody King's setup is the new hot one
http://www.petitrc.com/setup/kyosho/...CRC2014012426/
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Old 02-15-2014, 07:38 PM   #9847
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Originally Posted by justpoet View Post
Sorry it took me this long, but here's the pic of the sideways battery placement I did. I just cut out the side plastic and used heavy Velcro on the bottom of the battery to hold it in place.
i was thinking of trying some thing like this any one have any input on how this handles in stock 17.5 med traction

http://www.neobuggy.net/wp-content/u...3/01/hara2.jpg

Last edited by wisconsinbasher; 02-15-2014 at 08:40 PM.
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Old 02-15-2014, 10:40 PM   #9848
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decided to just go ahead and finish it up heres how my buggy turned out

started out by dremling out the side rails to fit the battery




it was kind of a tight fit for the motor wires a couple of zip ties cleaned it up






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Old 02-16-2014, 01:44 AM   #9849
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Originally Posted by Kuya_Kimo View Post
Speaking of wheel hex offsets (sorta surprised the front offset was closer than I thought)...

How far is the offset front and rear for the AKA Evo wheels compared to the Kyosho wheels?

Wondering the same thing. Would like to here from someone who has run the aka typo/evo setup on the Rb6. How close are they to the the kyosho wheels.
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Old 02-16-2014, 02:09 AM   #9850
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Had a quick question guys if you don't mind. I'm planning on getting a buggy in the near future, but what made you choose the Rb6 over the B5? I drove a b 4.2 and a few other buggies after getting reacquainted with r/c and now racing.
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Old 02-16-2014, 02:23 AM   #9851
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Had a quick question guys if you don't mind. I'm planning on getting a buggy in the near future, but what made you choose the Rb6 over the B5? I drove a b 4.2 and a few other buggies after getting reacquainted with r/c and now racing.
No before I start a pi$$ING match, I have drove a ae buggy, a Durango buggy rm/mm, tlr buggy rm/mm, and they all have ups and downs. Kyosho is expensive but you get what you pay for. Most guys that run other stuff are fanboys or don't want to Pay the high prices. Time after time I saw how rb6 was sweet on the track but allways argued with myself to buy one and not spend the money, I am a team Durango fanboy if you will, but the rb6 is by far one of the best. It depends on track and what brands your track carries. If your serious get a rb6, if you just want to do well and not break the bank maby tlr or ae. Cheaper but still good buggys. Weather you get a b4.2 or b5 is up to you. A few guys have them at my track and have been fighting to get them to act more like there old b4.2. Take it or leave it, have a good one and good luck on choice.
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Old 02-16-2014, 02:23 AM   #9852
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Originally Posted by r888ghost View Post
Had a quick question guys if you don't mind. I'm planning on getting a buggy in the near future, but what made you choose the Rb6 over the B5? I drove a b 4.2 and a few other buggies after getting reacquainted with r/c and now racing.
Availability. B5 wasnt out yet when i got my rb6. And i kinda like the fact its mid and rear in 1 kit. I wouldnt mind trying a b5m or a mid serpent either thou. But im really happy and invested w kyosho and no rush to jump into another 2wd platform this week....at least.
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Old 02-16-2014, 02:26 AM   #9853
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Originally Posted by r888ghost View Post
Had a quick question guys if you don't mind. I'm planning on getting a buggy in the near future, but what made you choose the Rb6 over the B5? I drove a b 4.2 and a few other buggies after getting reacquainted with r/c and now racing.
Fit, finish, quality, durability, the absolute best shocks in the market, rear or mid motor configurations on one chassis. Over the last 15yrs I've owned almost every brand out there and I don't see myself jumping off the kyosho ship anytime soon. In my honest opinion kyosho is the best.
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Old 02-16-2014, 02:36 AM   #9854
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Originally Posted by VenturaDC View Post
Fit, finish, quality, durability, the absolute best shocks in the market, rear or mid motor configurations on one chassis. Over the last 15yrs I've owned almost every brand out there and I don't see myself jumping off the kyosho ship anytime soon. In my honest opinion kyosho is the best.
+1 what ^he said lol
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Old 02-16-2014, 05:20 AM   #9855
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Had a quick question guys if you don't mind. I'm planning on getting a buggy in the near future, but what made you choose the Rb6 over the B5? I drove a b 4.2 and a few other buggies after getting reacquainted with r/c and now racing.
1: shocks
2: shocks
3: shocks

this thing just flat out rocks.
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