Author Topic: 1974 CB550. Racetech Monoshock. JMR Head. Built Engine. "BLAC"  (Read 179474 times)

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Offline RAFster122s

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #550 on: January 28, 2017, 01:42:05 am »
My mom's '01 Subaru Outback had shredded its serpentine belt Thursday. We bought another belt and I installed it where it had broken down in the dark by flashlight.  The tensioner felt OK. Only problem was within 3 miles it ate the new bet and the tensioner had lunched the bearings and the bolt securing the bearings and tensioner wheel was missing. Had the car towed to a shop near where Mom lives.  Found out today they weren't able to fix it and ordered a replacement tensioner out of Knoxville, 100 miles away, and it would be here Monday.  They quoted her $200 for the work, $75 for labor, $30 for the belt we paid $25 for a Dayco, and looks like $100 for the tensioner. The Advanced Auto in Bristol quoted it for $76 and they could have it in 20 minutes, about as long as it would take to drive there to buy it.
So, they made some markup.  She's not a happy camper and requires hand controls in the car due to an accident about 15 years ago.

So, given the usual Brembo runs $200 at least and more like $250 your $450 is a little high...wonder what the dealer pays for the part shipped to their store?  Wonder what they would charge to install it?

Crazy thing is they are charging $75 for the work and I have the beauty cover off so it is one bracket and then remove a 10 mm nut and loosen a 12mm nut to remove a guard and then a 8mm hex to remove the tensioner.  20 minutes work tops.

I'm presuming $75 is an hours labor.
David- back in the desert SW!

Offline NobleHops

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #551 on: January 28, 2017, 07:39:33 am »
Thank you for the kind words! Stay tuned, I should have the monoshock on in the next month 👌🏼

Nils, I got my baby all packed and dressed up for you.  Leaving home tomorrow!



Those cases look SO COZY! We will give them a proper pimping during their spa day.
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

Online Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #552 on: January 29, 2017, 01:12:08 am »
 Was just checking out your build thread, Got some pretty nifty stuff going on there! 
Really like your choice of wheels.

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #553 on: January 30, 2017, 12:39:09 pm »
Thanks! Im putting together an update now, I'm getting close on the monoshock part of the project. I cant wait to have a roller again!

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 #554 on: January 30, 2017, 12:55:21 pm »
Time to get this monoshock mounting business wrapped up...

I decided to make a mock up of the monoshock with an adjustable section so I can set my desired ride height.  Here was the workflow:

Make the ends based on what I am having Racetech make for my spring ends:


Didnt spend much time making it pretty, but it should work!



If anyone needs this when I am done, you are free to use it as well!
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 #555 on: January 30, 2017, 02:15:19 pm »
Bryan,
That is brilliant.  When I get to the 550, I'm still thinking I want to do a mono-shock on it with that CBR600 rear end I'm going to be using on it.

Keep that around because I just might want to borrow it.  Very cool.

Ron
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 #556 on: January 30, 2017, 02:28:21 pm »
Bryan,
That is brilliant.  When I get to the 550, I'm still thinking I want to do a mono-shock on it with that CBR600 rear end I'm going to be using on it.

Keep that around because I just might want to borrow it.  Very cool.

Ron

You got it!  Ill let you know if it ends up working ;)
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 #557 on: January 30, 2017, 02:40:58 pm »
I officially approve of how the new subframe looks, so I sealed it up with a couple welds  ;D



I also mounted and welded in (top and bottom) the plate where I will mount the top monoshock mounting plates:
« Last Edit: January 30, 2017, 03:44:01 pm by BLAC »
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 #558 on: January 30, 2017, 02:56:47 pm »
FYI - Your first photo in the last post is not displaying (broken imgur link). 

Nice weld!
« Last Edit: January 30, 2017, 03:22:08 pm by CB750 Cafe Racer Fan »
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 540nova

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #559 on: January 30, 2017, 03:01:50 pm »
Nice welding, Blac!


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Online Stev-o

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #560 on: January 30, 2017, 03:12:09 pm »
Nice welding, Blac!


+1. As a self-taught amateur, I can appreciate a nice bead...

« Last Edit: January 30, 2017, 03:46:41 pm by Stev-o »
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #561 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 »
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 #562 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 #563 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!
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 #564 on: January 30, 2017, 08:05:12 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!
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 #565 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 »
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 #566 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 »
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 calj737

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #567 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.
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

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Online Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #568 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 »

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #569 on: February 01, 2017, 11:01:07 am »
beautiful work, I have spend time looking at some of your builds  8)
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 #570 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 #571 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
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

Online Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #572 on: February 01, 2017, 02:54:27 pm »
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.

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #573 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.
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

Online Godffery

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #574 on: February 01, 2017, 10:37:44 pm »
 I have noticed that the aftermarket Head Gaskets tend to fail.