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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 10-22-2012, 02:08 PM   #1921
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Quote:
Originally Posted by aloksatoor View Post
Agreed on speedtech.... Awesome rates no gimmicks people are helpful.... none of the coupon code loyalty points hassles of the big two to bring prices down to speedtechs prices ... Honest pricing and crazy fast shipping!!
Ironically, they have coupon codes too! Even better pricing on their already more than fair pricing. (no, i dont work for speedtech)

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>>>www.SpeedtechHobbies.com<<<
Coupon Codes: HS05 for $5 off your purchase of $60 or more.
HS10 for $10 off your purchase of $100 or more.
HSKIT for $20 off qualified car kits & RTRs.
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Old 10-22-2012, 02:23 PM   #1922
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Ironically, they have coupon codes too! Even better pricing on their already more than fair pricing. (no, i dont work for speedtech)
haha i dint use em yet hurts pls add the 3m part number as well. I try to buy from amazon to avoid the rc tax like AE and upgrade puts on their chassis protectors . I used to use this roll before skateboarding slip tape

http://www.amazon.com/SLIP-TAPE-1HAA...ords=slip+tape. But it cannot be reused and is not very compliant around little protrusions like screws which are not quite flush.
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Old 10-22-2012, 02:53 PM   #1923
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I dont disagree that it is thin. Its just the fact that I'm one of 5 people running the car at my local track and I havent seen this happen yet. I just dont want the people who are interested in the RB6 to get the wrong impression about the quality of the K car.
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Old 10-22-2012, 03:08 PM   #1924
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I dont disagree that it is thin. Its just the fact that I'm one of 5 people running the car at my local track and I havent seen this happen yet. I just dont want the people who are interested in the RB6 to get the wrong impression about the quality of the K car.
That's why I was so surprised to see this,the quality is top notch . I was just hoping it was a freak case.gonna be emailing Kyosho when I get of work with de pics.
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Old 10-22-2012, 03:09 PM   #1925
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I dont disagree that it is thin. Its just the fact that I'm one of 5 people running the car at my local track and I havent seen this happen yet. I just dont want the people who are interested in the RB6 to get the wrong impression about the quality of the K car.
I've ran mine 1 day for about 30 minutes of practice and it looks very similar to 'powerslave'.

Outdoor dry track, large triple that I was double/singling and 8 pack on the back stretch.

The gearbox is making an outline on the chassis.

Dean
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Kyosho Ultima RB6 &amp; RB6.6 Car Thread-2012-10-22_15-04-57_184_1024x768.jpg  
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Old 10-22-2012, 03:21 PM   #1926
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New setup should be out soon from Hot Rod Hobbies JBRL race
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Old 10-22-2012, 03:28 PM   #1927
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Wow that sucks! I'm going to come up with some sort of skid plate for mine. Also if anyone is looking for another option for a body, I'm using the proline bulldog for the durango DEX410. It's a near perfect fit. I will try to post pics as soon as I figure it out Im new to this forum.
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Old 10-22-2012, 04:13 PM   #1928
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I also noticed after a couple of race days my chassis looks like the pictures posted . Its like its a perfect square that needs cut out, kind of how the B4 tranny sits in rear t plate.
I've made a few changes to my setup. http://www.petitrc.com/setup/kyosho/...ceway20121013/ I went to 2.5mm on bump steer washers on spindle. That seems to be the zero bump steer mark. White springs in front, # 2 hole on front camber link, and added another 1mm limiter for a total of 2mm in rear shocks. This made the car easier to drive with faster lap times. If any of you guys try this setup, give me feed back to make better.

Last edited by msandman; 10-22-2012 at 04:56 PM.
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Old 10-22-2012, 04:35 PM   #1929
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thanx for the tip cpt but i justed called them since i got my kit from them he said back ordered tell who know,s when maybe exotek or somebody the has the ability to start makeing some soon!!
i got my kyosho wides on ebay. cheap price and was here in 4 bussiness days from japan.
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Old 10-22-2012, 04:38 PM   #1930
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msandman, link isnt working for me..
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Old 10-22-2012, 04:44 PM   #1931
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"By the way, in a pinch, you can always order the strc ones off amain. They are cheaper, and should work just as well. Plastic bushings still needed."


strc doesnt make the wide rf blocks i emailed them and as of right know they have no plans on making them, just a heads up
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Old 10-22-2012, 04:49 PM   #1932
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Originally Posted by rokitman View Post
msandman, link isnt working for me..
Try now.
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Old 10-22-2012, 04:54 PM   #1933
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I could be wrong but I think the kit comes with two rf, the thicker updated one and the old one. I believe the old one will still work.
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Old 10-22-2012, 04:54 PM   #1934
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i got my kyosho wides on ebay. cheap price and was here in 4 bussiness days from japan.
yep hobby japan. got the last of the wide fronts i believe
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Old 10-22-2012, 04:55 PM   #1935
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Try now.
thats better
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