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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 10-30-2013, 10:50 PM   #8521
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Quote:
Originally Posted by Tyler101 View Post
So RB6's out of stock at most of the main online retailers...does that spell an SP coming very shortly or just an increased interest after Tebos world championship. I am looking for a 2nd but in no rush and likely would grab an SP just cause'. I love my RB6 but new and shiny is new and shiny LOL
The RT6 chassis has 2 extra holes for a mid motor battery block piece, which would likely appear on a new RB6 SP chassis. The new ESC mount piece would be included I suspect too. Cheers,
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Old 11-02-2013, 04:32 PM   #8522
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Converting to MM. While mounting the gearbox, the rear tab that mounts to the Yaiba rear bulkhead is 1mm too high. When I screw the gearbox tab to the bulkhead the whole drivetrain begins to bind and will not spin freely. Adding the 0.5mm spacers to the RR suspension holder eliminates the problem as it raises the bulkhead to the gearbox. However, I don't want to change the handling dynamics (adding spacers) just to make the system spin as smoothly as it should without spacers. Happens when I use the stock bulkhead too. Any thoughts?
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Old 11-02-2013, 05:15 PM   #8523
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You should have a 1mm shim splitting the rr sus mount and the bulkhead if no shim beneath the rr
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Old 11-02-2013, 08:54 PM   #8524
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You should have a 1mm shim splitting the rr sus mount and the bulkhead if no shim beneath the rr
That's a good answer. Thank, buddy!
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Old 11-02-2013, 10:21 PM   #8525
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will the aluminum 0 degree hubs work with the "Type B" Middle Suspension Arm, or do I have to buy the KYOUM519-2 "Type B" rear hubs?
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Old 11-03-2013, 04:43 AM   #8526
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Just wondering if anyone has tried the car with the 6 chassis screws out, on what type of track and the thoughts of it?

or for that just a combo of screws in/out?
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Old 11-03-2013, 06:15 AM   #8527
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Has anyone tried mm on a low traction surface? Our season is about to start nd need to make decision if I should switch?
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Old 11-03-2013, 06:38 AM   #8528
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Quote:
Originally Posted by Speedychris22 View Post
Has anyone tried mm on a low traction surface? Our season is about to start nd need to make decision if I should switch?
Yes, mine is dialed. Mine steeped out a bit coming out of turns and I put 2.5mm of shims under the rear inner ball stud and that helped a lot. Also, I run a shorty sideways with some weight behind it
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Old 11-03-2013, 08:44 AM   #8529
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Originally Posted by Speedychris22 View Post
Has anyone tried mm on a low traction surface? Our season is about to start nd need to make decision if I should switch?
I understand your reasoning for the question but the whole benefit if running the RB6 is that she's interchange. With your track conditions unknown, tires etc. it only takes 15mins to switch if you build up the other gearbox.
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Old 11-03-2013, 09:27 AM   #8530
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Quote:
Originally Posted by DJGray17 View Post
will the aluminum 0 degree hubs work with the "Type B" Middle Suspension Arm, or do I have to buy the KYOUM519-2 "Type B" rear hubs?
They do on mine dude
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Old 11-03-2013, 03:32 PM   #8531
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Originally Posted by SAMCRO View Post
Yes, mine is dialed. Mine steeped out a bit coming out of turns and I put 2.5mm of shims under the rear inner ball stud and that helped a lot. Also, I run a shorty sideways with some weight behind it
Care to share ur setup?
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Old 11-03-2013, 05:12 PM   #8532
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Hey guys I recently switched from an Associated B4.2 and I have a ton of tires on Jconcepts wheels. I have been running them and they seem to work fine but my question is that the hex depth on the front Jconcepts wheels are deeper then the Kyosho wheels. Am I required to space the axle different to get the same width as running the Kyosho wheels and what handling difference will I feel? I looked thru a few hundred pages and couldn't find any info. Thanks for anyone that helps!
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Old 11-03-2013, 06:26 PM   #8533
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Quote:
Originally Posted by trickedyfz450 View Post
Hey guys I recently switched from an Associated B4.2 and I have a ton of tires on Jconcepts wheels. I have been running them and they seem to work fine but my question is that the hex depth on the front Jconcepts wheels are deeper then the Kyosho wheels. Am I required to space the axle different to get the same width as running the Kyosho wheels and what handling difference will I feel? I looked thru a few hundred pages and couldn't find any info. Thanks for anyone that helps!
IIRC this was mentioned in this thread and it worked out approx. 0.7mm each side, total 1.4mm? Others please chime in. Cheers,
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Old 11-03-2013, 07:34 PM   #8534
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looking to join the team darn amain is out back order... anyone know a good place to pick one up? not in a rush... i know sales are coming soon.. turkey day.. anyone know a place to order one?

sucks because i have discount at amain
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Old 11-03-2013, 07:55 PM   #8535
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looking to join the team darn amain is out back order... anyone know a good place to pick one up? not in a rush... i know sales are coming soon.. turkey day.. anyone know a place to order one?

sucks because i have discount at amain
there is someone in the for sale forum selling one new in box
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