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Author Topic: 1974 CB550. Racetech Monoshock. JMR Head. Built Engine. "BLAC"  (Read 189430 times)

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Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #500 on: January 30, 2017, 03:44:31 PM »
Sorry, got it fixed (image)

Thanks for the kind words!
« Last Edit: January 30, 2017, 03:58:42 PM by BLAC »
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline 540nova

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #501 on: January 30, 2017, 05:12:45 PM »
Just saw the first picture, which wasn't viewing before. Again, great looking welds!


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Offline Restoration Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #502 on: January 30, 2017, 06:30:12 PM »
Yeah, Bryan, I was going to comment earlier that your welding talent far exceeds mine.  Really enjoying this build a lot.  You have some serious talent and a very good attention to details and it will show in the final product.  This is going to be one sexy bike!
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #503 on: January 30, 2017, 08:05:12 PM »
Quote from: Restoration Fan on January 30, 2017, 06:30:12 PM
Yeah, Bryan, I was going to comment earlier that your welding talent far exceeds mine.  Really enjoying this build a lot.  You have some serious talent and a very good attention to details and it will show in the final product.  This is going to be one sexy bike!

Thank you! I welded quite a bit in HS (12 years ago) but just got back into it in the last couple months.. I probably have about 2 hours of practice on this machine.  The hard part for me is getting the machine set correctly, I run beads on similar stock before getting on my bike getting that dialed in.

The other part is getting all the pieces to fit right so I don't have to glob up the welds to fill gaps.  And that just comes from me being very anal and detailed (i.e. Slow moving) on the metal fabbing.

I do appreciate the kind words and support, I have never done a build this deep before so I'm learning as I go!
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #504 on: January 30, 2017, 08:55:35 PM »
I think it is safe to say the subframe and monoshock-swingarm hoop is all square and even...  8)

« Last Edit: January 30, 2017, 09:01:53 PM by BLAC »
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #505 on: January 30, 2017, 11:13:54 PM »
Does anyone have a list of the oil seal part numbers? I want to buy OEM but don't see a kit available and it looks like im going to have to piece meal it together.  Im away on business for a couple days so I am away from my parts manual but here is what I found online (but am not entirely sure it is accurate)

If anyone knows of a thread where these part numbers are all in the same place, please point me to it!

91259-VM0-000 - 10X16X4.5  Clutch lever
91202-426-003 - 12X25X4.5  Gearshift Drum
91202-KFL-841 - 13.8X24X5  Gearshift Spindle
91204-286-003 - 18X29X7  Right Crankcase Cover
91201-300-003 - 30X42X8  Crankshaft
91201-323-005 - 30X45X8  Crankshaft
91205-283-015 - 33X57X7  Countershaft
91207-374-000 - 34X8 FLAT SEAL Main-shaft
91256-096-651 - 4.8X14.5X4  Tach seal


UPDATE: I just did tons or research and ordered 41 OEM gaskets/seals for my bike... There are a couple of those bastards that are NLA and people are asking an arm an a leg on ebay for them...  >:(
« Last Edit: January 31, 2017, 12:36:13 AM by BLAC »
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #506 on: January 31, 2017, 03:38:37 AM »
 I have done a few of these Conversions, so I can say with experience, You are doing a fine job!  Never worry about how ling it takes to get it right, worry about how long it will take to Fix it if you try to rush threw it! =)

 Here are a couple pix from ones I've converted:


http://www.vinmoto.org/gallery/v/VinMoto-Garage/album03/Godfferys-Garage-123/Cafe+Overkill/DSC+285.JPG.html?g2_imageViewsIndex=1
« Last Edit: February 01, 2017, 02:50:18 PM by Godffery »
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Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #507 on: February 01, 2017, 11:01:07 AM »
beautiful work, I have spend time looking at some of your builds  8)
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline 754

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #508 on: February 01, 2017, 11:15:18 AM »
There should be oilseal kits available with all the seals. .check with suppliers or ebay.
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Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #509 on: February 01, 2017, 11:17:58 AM »
I couldnt find any that used (or were clear about using) OEM parts, it was just "fits cb550" so I just compiled a list of part numbers and bought OEM piece by piece via partzilla

I also got a NOS gasket kit (kit B) on the way
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #510 on: February 01, 2017, 02:54:27 PM »
Quote from: BLAC on February 01, 2017, 11:17:58 AM
I couldnt find any that used (or were clear about using) OEM parts, it was just "fits cb550" so I just compiled a list of part numbers and bought OEM piece by piece via partzilla

I also got a NOS gasket kit (kit B) on the way
There is a guy out of Canada selling Seal kits on FeeBay. I'm not sure if they are OEM, but I have used his kits at least 3 times in the past with no issues.
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Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #511 on: February 01, 2017, 09:25:55 PM »
I think I found the guy you are talking about.  I couldn't tell if they were factory or not either...

I am relatively new to all of this so I don't know what brands to trust or to avoid (with respect to gaskets and the like).

I think I have most everything on the way... I think it was over more than 40 pieces in total.
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #512 on: February 01, 2017, 10:37:44 PM »
 I have noticed that the aftermarket Head Gaskets tend to fail.
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Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #513 on: February 02, 2017, 11:02:00 AM »
Quote from: calj737 on January 31, 2017, 03:04:50 AM
Make sure you get in touch with member, Elan, and pick up his Oil Pump rebuild kit. He has the NLA o-rings and internals (not rotor) that you will need.

Thanks for the info! I reached out to him and he directed me to his kit on ebay.

Here is the link for other: http://www.ebay.com/itm/162179190728
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #514 on: February 02, 2017, 05:17:38 PM »
Nils just sent me some engine porn.  Viewer discretion is advised..



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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline SOHC4 Cafe Racer Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #515 on: February 02, 2017, 05:30:36 PM »
Quote from: BLAC on February 02, 2017, 05:17:38 PM
Nils just sent me some engine porn.  Viewer discretion is advised..





Hot gif DAMN!!  Your engine crankcase wasn't too bad at all to start with, but now it's brand spanking new looking!
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #516 on: February 02, 2017, 05:34:45 PM »
Quote from: calj737 on February 02, 2017, 05:31:54 PM
I'm still waiting for someone to say "Thanks, Cal!" for goading you into it...  >:(

th.... thank..... thanks.... Cal...  ::)

You were right, I was wrong! I just hope you are ready to field some questions about reassembly  :P
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline Restoration Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #517 on: February 02, 2017, 05:35:56 PM »
That's hideous!  I'm sure you would much rather Nils send those ugly, clean cases to me and I'll send you the ones I have that are much more, umm....."real looking".  ::)
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #518 on: February 02, 2017, 05:38:03 PM »
Quote from: Restoration Fan on February 02, 2017, 05:35:56 PM
That's hideous!  I'm sure you would much rather Nils send those ugly, clean cases to me and I'll send you the ones I have that are much more, umm....."real looking".  ::)

ya what kind of bike doesn't have that authentic dirt on it?! Ill trade you straight across =P

These look so clean it looks like a render in some pics haha
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #519 on: February 02, 2017, 05:39:02 PM »
Quote from: calj737 on February 02, 2017, 05:37:18 PM
Quote from: BLAC on February 02, 2017, 05:34:45 PM
You were right, I was wrong! I just hope you are ready to field some questions about reassembly  :P
Absolutely! My most insightful answer will be, "Ask someone who knows better than I"  ;D ;D ;D

fine, I'll just ask Jwilde  ;D
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline Restoration Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #520 on: February 02, 2017, 05:39:47 PM »
They really are gorgeous.  You have to be getting excited to put this thing back together. 
This is going to be one really sweet bike when it's rideable.  Looking forward to seeing it street-ready.
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #521 on: February 02, 2017, 05:44:06 PM »
Quote from: Restoration Fan on February 02, 2017, 05:39:47 PM
They really are gorgeous.  You have to be getting excited to put this thing back together. 
This is going to be one really sweet bike when it's rideable.  Looking forward to seeing it street-ready.

thanks, and yes, I cant wait to get it down to Racetech so they can start making my monoshock!  Then I just have to choose a color scheme, tank fab work, assemble the entire engine..  :-[ I guess I'm still a long way away haha

I did get plates cut out for the monoshock mounting to the swing arm and up under the tank  8)
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #522 on: February 02, 2017, 05:45:03 PM »
Quote from: calj737 on February 02, 2017, 05:39:41 PM
Quote from: BLAC on February 02, 2017, 05:39:02 PM
Quote from: calj737 on February 02, 2017, 05:37:18 PM
Quote from: BLAC on February 02, 2017, 05:34:45 PM
You were right, I was wrong! I just hope you are ready to field some questions about reassembly  :P
Absolutely! My most insightful answer will be, "Ask someone who knows better than I"  ;D ;D ;D

fine, I'll just ask Jwilde  ;D
Them's fightin' words!!!!  >:(

 ;D jk I do appreciate all of your insight on my build.  You and the people like you on this forum are a huge asset to the rookies like me.
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If you can't fix it with a hammer, it's an electrical problem... If it's an electrical problem, it's Cal's problem.

*2005 Yamaha R6 (sold)
*2014 Ducati Streetfighter 848 (sold)
*2014 BMW S1000RR (sold)
*2010 Ducati Streetfighter S
*1978 CB550 Restomod Build
*1974 CB550 Monoshock build
http://forums.sohc4.net/index.php/topic,154614.0.html

Offline SF

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #523 on: February 02, 2017, 05:47:02 PM »
Looks so good man. I'll be definitely getting mine done. Thanks for posting.


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92 wr250 sold
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04 zx10r
73 cb350 twin
75 cb550f
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Offline NobleHops

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #524 on: February 02, 2017, 05:48:52 PM »
Thanks Cal!

:-)
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Nils Menten * Tucson, Arizona, USA

I have a motorcycle problem.

My build thread: NobleHops makes a 400F pretty for his wife: http://forums.sohc4.net/index.php?topic=131210.0
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