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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
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 03-29-2013, 09:40 PM   #5956
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Hey guys which portable shock stand do you use? Since the Ks are built bottom up when at rest. Thx,
I use the hudy offroad stand.
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Old 03-29-2013, 11:28 PM   #5957
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Hey guys. New RB6 owner here. Curious on what gearing you stock guys are using? Will be doing blinky 17.5. Thank you in advance. Love the buggy!
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Old 03-29-2013, 11:33 PM   #5958
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Go back one page out better yet, read the first post
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Last edited by silvalis; 03-30-2013 at 12:31 AM.
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Old 03-30-2013, 04:54 AM   #5959
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Quote:
Originally Posted by gelshocker View Post
Hey guys which portable shock stand do you use? Since the Ks are built bottom up when at rest. Thx,
Here is what I use. I like it because you can disassemble it and lay it flat in your tool box.

http://rcspeedshop.com/product_info....roducts_id=461
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Old 03-30-2013, 04:57 AM   #5960
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I was getting ready to go full Devo before it was explained to me. I think I did gain some new street cred.
Loved that song when it came out - I remember bouncing around to it as a little kid!
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Old 03-30-2013, 07:03 AM   #5961
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Hey guys. New RB6 owner here. Curious on what gearing you stock guys are using? Will be doing blinky 17.5. Thank you in advance. Love the buggy!
69/34 you have to cut the gearbox cover. This is with a d3.5 maxzilla with full timing.
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Old 03-30-2013, 07:58 AM   #5962
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If your pinion gear rubs on the gear cover do this. Take a silver sharpie and color the cover where the pinion gear is then install it on the car. Run the motor for a couple of throttle blips. Remove the cover and see where the silver sharpie was worn. Then take a dremel sanding drum to that area. Color that area again and repeat the process until you don't hear that noise anymore.
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Old 03-30-2013, 08:43 AM   #5963
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Default Shocks

Has anyone replaced the plastic shock pivot balls on the bottom shock eyelet with metal ones? If so which ones did you use?
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Old 03-30-2013, 11:59 AM   #5964
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I found going for the metal balls on shock ends was about the same as far as play goes, maybe worst so I kept the plastic ones on the 6, watching carefully not to over tighten them.

However, I found the metal ones sold with the NGC kit for the Lazer with a flat side that rest well on a wishbone were a good solution for the rear.
Can't remember the part number for them.
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Old 03-30-2013, 12:34 PM   #5965
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Anyone try the Japanese std setup? Thoughts.
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Old 03-30-2013, 01:52 PM   #5966
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Thank you B00t13g.
Kraig, great suggestion.

Great information guys, thank you.
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Old 03-30-2013, 02:21 PM   #5967
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Wow you guys gear high I ran the Orion 17.5 at cactus and was geared 69/31 with more than full timing and just let her eat. Resulted in 2nd over all for the 17.5 buggy class.
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Old 03-30-2013, 03:13 PM   #5968
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Quote:
Originally Posted by Gitsum View Post
Wow you guys gear high I ran the Orion 17.5 at cactus and was geared 69/31 with more than full timing and just let her eat. Resulted in 2nd over all for the 17.5 buggy class.
Ahahah well that's why you got second...if you would have geared higher you would have abviously won...!!!
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Old 03-30-2013, 06:44 PM   #5969
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I was running some laps on a test track here in battle creek Michigan...very loose track,with light gravel and dirt mix...buggy was wonderful...then that alarm sounding noise...a small piece of debris had found its way into the slipper gear housing and several prices of very small stone were impregnated into both...spur and opinion...I'm running an aluminium pinion...I think the garbage got in through the motor bolt hole...is there a gasket or seal to correct this issue...
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Old 03-30-2013, 10:16 PM   #5970
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do they make allunminum RF2 or do they come in RF only for rear inner hinge pin holders for rear? Do they even make the RF2? so confused. im new to kyo. maybe a link or whatever u guys can help thanks
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