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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 04-04-2013, 06:18 PM   #6061
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Quote:
Originally Posted by ryanpatrickgore View Post
Lost front inner hinge pin brace for xxx part no
Losa4137
Thanks will give it a try. Cheers,
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Old 04-04-2013, 10:22 PM   #6062
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Quote:
Originally Posted by Jetboat_Jake View Post
first day out with k car, had about 4 minutes of run time, then had to wait for my first qualifier. car feels solid off the bat, was having trouble when the car bottomed out on clay the metal chassis just wanted to stick causing the car to rapidly slow down. put on a chassis protector and that helped a little but still gotta get used to it. Local kid that runs for kyosho Collin helped me out with set up and showed me some tips that really helped a lot, still about a second slower lap times then my b4.2 but i cant complain with a second in the main tonight in intermediate stock. I have stock 5 hole pistons and he told me to go down to "tlr 55" pistons so we will try that and see how it goes.
Collin at West Coast? You should get kyosho blanks and drill them out to 55s they're better. And if the chassis is sticking that badly you can always apply shock oil to the aluminium chassis before each run to reduce friction.
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Old 04-05-2013, 03:28 AM   #6063
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Having a little bit of trouble with my kyosho wanting to slide at the end of
The corners.... Any suggestions? Comes in fine but then looses traction big Time.
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Old 04-05-2013, 05:21 AM   #6064
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I just received my Exotek alum diff nut. It says apply blue threadlock on the diff screw. My question is, how do I tighten/adjust the diff later on if the alum nut is glued to the diff screw? Thanks,
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Old 04-05-2013, 06:45 AM   #6065
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Originally Posted by gelshocker View Post
I just received my Exotek alum diff nut. It says apply blue threadlock on the diff screw. My question is, how do I tighten/adjust the diff later on if the alum nut is glued to the diff screw? Thanks,
Use just a dab... It's thread lock not glue you should be fine. Just use a dab!
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Old 04-05-2013, 07:47 AM   #6066
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It will stop the nut from vibrating lose. More or less to gunk-up the threads.
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Old 04-05-2013, 09:45 AM   #6067
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Thx I use the following Xceed thread lock, is it comparitable to blue thread lock? Thanks,

http://www.xceedrc.com/product/103238
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Old 04-05-2013, 09:59 AM   #6068
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Originally Posted by t8rtot View Post
It will stop the nut from vibrating lose. More or less to gunk-up the threads.

Perfect description. That's why you can let it dry on the screw before installing it.
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Old 04-05-2013, 10:12 AM   #6069
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also apply the thread lock directly to the nut not the screw so you dont push it through the diff,, it is cleaner and gets the thread lock where u want it
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Old 04-05-2013, 10:25 AM   #6070
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Here is a tip for you guys... NEVER let thread lock get ANYWHERE NEAR, black thrust grease. If they come together, it turns into impregnable cement. Ask me how I know
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Old 04-05-2013, 11:31 AM   #6071
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Originally Posted by Cpt.America View Post
Here is a tip for you guys... NEVER let thread lock get ANYWHERE NEAR, black thrust grease. If they come together, it turns into impregnable cement. Ask me how I know
haha good to know. why does the exo nut need loctite though? the thing doesnt come with a nyloc end?
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Old 04-05-2013, 12:36 PM   #6072
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Quote:
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haha good to know. why does the exo nut need loctite though? the thing doesnt come with a nyloc end?
Correct.. no lock nut, just regular nut. I used a tiny dab of blue locktite on mine, and seems to work just as good, if not better, than a lock nut.
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Old 04-05-2013, 01:07 PM   #6073
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Also for loctite, I always use this guy http://www.amazon.com/Loctite-37643-...=loctite+stick

One stick lasted me a whole year of racing finally onto a new one now. Just dip the screw a tiny bit. Never drips. Also cures a lot faster.
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Old 04-05-2013, 01:15 PM   #6074
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Quote:
Originally Posted by Jetboat_Jake View Post
Having a little bit of trouble with my kyosho wanting to slide at the end of
The corners.... Any suggestions? Comes in fine but then looses traction big Time.
You could try going to narrow rear suspension holders if you haven't already. This will cause other issues though. One being decreased steering.

Barcodes_v1 also give good side bite. Also a lower rear roll center will give you more traction gain through the corner.
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Old 04-05-2013, 10:46 PM   #6075
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Quote:
Originally Posted by Jetboat_Jake View Post
Having a little bit of trouble with my kyosho wanting to slide at the end of
The corners.... Any suggestions? Comes in fine but then looses traction big Time.
Are you still using the stock springs? If so try Gold rear...
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