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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 08-01-2012, 09:19 PM   #151
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lets break it down
b4.1-250, plus aluminum steering 20, hex conversion 10, aluminum hexes 25, big bore springs 10-25, retainers 10 to 40 depending on avid ghea or basic parts, c tower option 10, 350 on the mid range. plus about a hundred if you choose to buy their new big bores.

22- 270, plus threaded hinge pins front and rear 20, aluminum rear hexes 15, aluminum front arm mount 25, brass shim 15, aluminum rear block 30,, servo horn aluminum 10 (this is just a few hopups just an average of what most racers use on the car. i havent even added extra toe blocks, aluminum hubs, brass weights etc. total 385 and that is being generous

durango......well that is a another story.....to much to list lol. that is subject to who you buy hopups from or if you run the car with durango parts.

rb6- 450- car comes with xgear springs, complete aluminum steering setup, aluminum shock caps, threaded rear hinge pins, tungston carbide balls for diff and aluminum hexes.

so if you break it down the cars are very comparable in price. obviously this is subject to each person but overall we have to just be fair and look at what we have. of course you can make a rb6 a 700 dollar car but to be fair you can do that with any of them. just a different viewpoint and food for thought
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Old 08-01-2012, 09:36 PM   #152
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agree with above post 100%
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Old 08-01-2012, 09:37 PM   #153
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ok so when will it come out? and how many parts transfers? I have ran my WC stock and it was fine for me so Im guessing it would be fine on this. My only issue is the aluminum chassis not a fan of it I must say but its truly by far the best quality out there can wait to see it in person. I hope some one local buys it so I can try it out.

ohh Losi is china crap AE is right their too but still beat this buggy at hotrod. But of course ill get it but ill go Kicking and screaming to the bank
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Old 08-01-2012, 09:40 PM   #154
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Quote:
Originally Posted by spdrac430 View Post
ok so when will it come out? and how many parts transfers? I have ran my WC stock and it was fine for me so Im guessing it would be fine on this. My only issue is the aluminum chassis not a fan of it I must say but its truly by far the best quality out there can wait to see it in person. I hope some one local buys it so I can try it out.
Very little part transfer from the RB5. All the major parts are different from what I am hearing. Little things like axles, CVD, some of the hinge pins and suspension holders and rear hubs are the same.

You should be able to buy one late September or Early October from what I hear as well.
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Old 08-01-2012, 09:43 PM   #155
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Quote:
Originally Posted by Brollywood View Post
lets break it down
b4.1-250, plus aluminum steering 20, hex conversion 10, aluminum hexes 25, big bore springs 10-25, retainers 10 to 40 depending on avid ghea or basic parts, c tower option 10, 350 on the mid range. plus about a hundred if you choose to buy their new big bores.

22- 270, plus threaded hinge pins front and rear 20, aluminum rear hexes 15, aluminum front arm mount 25, brass shim 15, aluminum rear block 30,, servo horn aluminum 10 (this is just a few hopups just an average of what most racers use on the car. i havent even added extra toe blocks, aluminum hubs, brass weights etc. total 385 and that is being generous

durango......well that is a another story.....to much to list lol. that is subject to who you buy hopups from or if you run the car with durango parts.

rb6- 450- car comes with xgear springs, complete aluminum steering setup, aluminum shock caps, threaded rear hinge pins, tungston carbide balls for diff and aluminum hexes.

so if you break it down the cars are very comparable in price. obviously this is subject to each person but overall we have to just be fair and look at what we have. of course you can make a rb6 a 700 dollar car but to be fair you can do that with any of them. just a different viewpoint and food for thought
Great post and right on. I have owned all but a Durango and the list is spot on.
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Old 08-01-2012, 09:46 PM   #156
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cool Ill keep a look out its not a must have at the moment but If i need something shiny and new maybe an x-mass gift before crcrc midwest race in January
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Old 08-01-2012, 10:09 PM   #157
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For me its all about parts availability. You say the rb5 and rb6 dont share many parts? That means all new stock. How has kyosho handled their supply of parts in the past?

I think the price is too high. Imo.
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Old 08-01-2012, 10:27 PM   #158
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Kyosho Japan updated their RB6 page:

http://www.kyosho.com/eng/products/r...duct_id=109135

" Roll rigidity setting can be adjusted with the number of screws used. Side guards contribute additional vertical rigidity. "

Isn't this what they adopt in touring cars with graphite plates?
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Old 08-01-2012, 10:28 PM   #159
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Quote:
Originally Posted by jnslprd View Post
$450 seems like a great bargain
From LA parts house email

"Kyosho Ultima RB6 2wd Buggy Kit (Pre-Order)

To kick off the addition of the Kyosho Racing line we are offering a limited number of the RB6 kits to LA Parts House customers at a special Introductory price.

The new Ultima RB6 is the latest in the Ultima line of vehicles, which is a further development of the breed. All the enhancements that have been designed by Kyosho engineers and tested over the last year by Kyosho International factory drivers like Jared Tebo and legends of the RC world.

Our Low Pre-Order Price $399.99

Use Promo Code LAPHRB6"
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Old 08-01-2012, 10:30 PM   #160
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Quote:
Originally Posted by nicholasxuu View Post
So, you are saying it has:
metal chassis, (22 has)
fits all types of batteries, (22 has)
use old springs you have, (I don't have rb5)
nice looking aluminum steering rack, (lovely)

and from what you are saying,
you should buy this car if:
you are a huge kyosho fan,
you own a RB5 with spring set,
you desperately love the steering system and believe the design worth an extra $100,

anything more to convince people buy this over other buggies(i.e. 22), or even give up their buggy and buy this?

*kyosho better dominate some world events with this, like their 1/8 buggy or 2wd short course(lightweight performance, even if fragile).
Cool story bro.

Last edited by Entr0phy; 08-01-2012 at 10:46 PM.
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Old 08-01-2012, 11:20 PM   #161
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I'm glad it's high priced. Maybe it will keep all the guys that couldn't wheel a Bandit around the track away from it and then limit the "I broke every part on this car and it's 'junk' " posts! Those who want to step up the game will break out the wallet. Some guys will be the fastest in the world with a 250 dollar car. That's life man!

It's a pro level car, pay to play. I may never be more than a middle of the pack guy but a superb car could give me the confidence I need to get better. I will have one the day it ships to the hobby shop.

Can I get an Amen!!
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Old 08-01-2012, 11:31 PM   #162
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heck yeah cant wait for mine coupon code or not (on amain :P)
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Old 08-01-2012, 11:55 PM   #163
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Quote:
Originally Posted by vr6cj View Post
From LA parts house email

"Kyosho Ultima RB6 2wd Buggy Kit (Pre-Order)

To kick off the addition of the Kyosho Racing line we are offering a limited number of the RB6 kits to LA Parts House customers at a special Introductory price.

The new Ultima RB6 is the latest in the Ultima line of vehicles, which is a further development of the breed. All the enhancements that have been designed by Kyosho engineers and tested over the last year by Kyosho International factory drivers like Jared Tebo and legends of the RC world.

Our Low Pre-Order Price $399.99

Use Promo Code LAPHRB6"

Do you know how long the coupon is good for?
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Old 08-02-2012, 12:34 AM   #164
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Quote:
Originally Posted by gelshocker View Post
It doesn't suck at all. Why would it suck? I love this hobby!

Why pay that much for a B4.1 whereas a TeamC can be just as competitive at a fraction of the cost?

Maybe Kyosho aren't just in it for the profit, at least in their competitive range. I suppose if Kyosho moved their production to China and released a RTR Ultima RB6 or RB6 Sport we'll all be happy?

Why is Pro-Line being so stupid to produce all their products in USA and not offshore them to China? And their helpdesk to India? I'm positive the profits will increase and the shareholders will be thrilled.

I am glad Kyosho has taken a stance to produce high quality competitive products Made in Japan regardless of the profit margin. Kyosho make plenty through their Mini-Z range anyway!

I haven't been in this hobby for long, but I do know one thing: it is not cheap. I know many better things to spend my money on, with the family, investment to make even more money.

I find it silly people are complaining about costs in this hobby, when they spend money on custom paint jobs and bloodly radio wraps! But we all know looking good can be just as fast. And this baby RB6 looks sexy!
This hobby is extremely cheap!! It is the cheapest form of racing out there!
it doesn't even compare to anything? except of course Ball sports?? you can call it a hobby or a sport or racing, but the simple fact is, it is extremely affordable. Why I say it sucks is because the people that do this sport, do it because it is cheap.. of course you can spend 1,000 - 2000 easily.. but that is really it? name one form of racing that you can get into that is as fun as RC racing that you can get a ton of bad ass shit for around a $1,000. I say it sucks that the prices are going so high on 2wd buggy's because my local track is already suffering for competition and racing and if prices keep going up, our local hobby's stores are going to be forced to shut down and overall Kyosho is going to lose more money.. Yea maybe the larger populated citys wont suffer, but most smaller ones will!!

Motocross racing costs around $10,000 before you even get to kick your leg over the bike.. then there is so much more.. the cheapest form of Circle track car racing will cost you say 5,000 - 10,000 just to get into say a Hobbystock race car and those are pretty much the cheapest class out there.

As a business owner, I understand both spectrum of costs and profits and like I said I dont really care personally, I plan on buying one! I love Kyosho's and I would still spend $450 on one over a FREE B4.1.. but atleast most people can afford a B4.1 and atleast be competitive in racing. but pretty soon, like I said every 2wd buggy will be $400ea..

I would almost bet that this new RB6 doesn't cost anymore to make then the older RB5 WC.. yea the R&D cost more and the time and effort to design and build the new design, but hell that is what its all about!! they have to do that for every single rig out there!!

The people that spend money on custom paint jobs or BLOODLY radio wraps probably don't complain about the pricing? paint jobs and cool decals is more then half the fun in this sport!! Anyone who has tried or does RC painting probably does it becuase they enjoy it. not to make tons of money! I don't do RC graphics to make money, because the price tag on anything RC graphic related has to be affordable or people wont buy it.. I do it to have fun and offer something cool for people. I dont even do that much RC related graphics.. My Bloodly Carbon Radio Wraps are only $20 and probably cost me $15 to make and then I have to ship them for another $3.. haha

thats enough already.. im done.. haha...
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Old 08-02-2012, 12:45 AM   #165
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Someone did bring up a good point about the strong yen. Being that its made in Japan, they have to raise the price in order to get the same profit they would have gotten 5 or 10 years ago. Noticing specific Kyosho and Tamiya kits made in Japan have gone up a lot in prices recently over the years.

Who knows, maybe they'll eventually outsource production to Taiwan or China. I know Mugen has done that and they have managed to keep their kit costs about in line with inflation. (A little more actually but at least the kits have more aluminum and carbon fiber). While the MP9 TKI3 is made in Japan and going for what...$850-900?

Would love to own the RB6 and MP9. But for now, my RB5 and MBX6T will have to do. And as far as the highest quality 1/10th offroad cars, that title still belongs to Kyosho.
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