Author Topic: 1974 CB550. Racetech Monoshock. JMR Head. Built Engine. "BLAC"  (Read 183609 times)

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Offline 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 SOHC4 Cafe Racer Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #726 on: February 14, 2017, 04:37:19 PM »
The One Show bike had a similar set up.  Pretty cool solution for cleaner looking bars.
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 GV1390

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #727 on: February 14, 2017, 04:39:35 PM »
Not what you're looking for exactly but, here's how mine was on V1:



Looked clean in my opinion:

93' GSX-R1100, 78' CB550, 71' CL350, 71’ CB500 & 02' ZRX1200R.

Offline joeyvans

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #728 on: February 14, 2017, 04:41:06 PM »
ohhh ahhhhhh
http://www.caferacerwebshop.com/en/grimeca-clean-bars-remote-master-cylinder.html

I'm in love with this idea! Didn't even know this piece of kit existed. Do it!
1976 CB550 K2
Non-SOHC4 - 1974 CB450 K7
Non-SOHC4 - 1996 VFR750F

"No matter how much you shake and dance... the last three drops go in your pants."

Offline Restoration Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #729 on: February 14, 2017, 05:39:23 PM »
You use a Cable to remote master cylinder , under the tank, in the fairing, or on the fork leg are a few places folks put them .Btw Eighties Beemers and Kawi Z1R. Used remote front master cylinders.
 The bike in the pic has the brake cylinder and throttle inside the bars, but that is guite difficult to do.
I've always liked the looks of those 'reverse-styled' brake and clutch levers.  However, it would seem like it would be a little less natural to grab than the traditional style.  And when I'm grabbing for brakes for an emergency stop, I want it to be as easy to grab a handful of brake as possible.  But that's just me being overly cautious, perhaps.
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 calj737

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #730 on: February 14, 2017, 05:58:02 PM »
Not to mention it eliminates the option of bar end indicators like the M-Blaze discs   :(
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline sinister902

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #731 on: February 15, 2017, 05:15:35 AM »
make a real drawing with real measurements and PM me, maybe I can whip something up for you for a reasonable cost.

Do you mean for a mounting system to attach it to the cognito triple, the bar bends, or a custom fork tube clamp setup?

as 754 stated, drilling holes (not all the way through) on the bottom of the triple and blind-tapping them would be how I'd mount to the top triple....but if you would rather make some type of clamping system that clamps to the fork tubes below the top triple which would hold the bars, the headlight, and the gauge.....make up some drawings and I can see about manually milling it up out of a chunk of aluminum.

Offline strynboen

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #732 on: February 15, 2017, 05:34:57 AM »
ohhh ahhhhhh
http://www.caferacerwebshop.com/en/grimeca-clean-bars-remote-master-cylinder.html
its the old BMW system..hide the marster under the tank..and have vire pull to aktivate it...it make it all komplikated and unsafe..bit make the" looks smart" effekt
i kan not speak english/but trying!!
http://forums.sohc4.net/index.php?topic=60973.0
http://forums.sohc4.net/index.php?topic=144758.0
i hate all this v-w.... vords

Offline SOHC4 Cafe Racer Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #733 on: February 15, 2017, 08:58:01 AM »
ohhh ahhhhhh
http://www.caferacerwebshop.com/en/grimeca-clean-bars-remote-master-cylinder.html
its the old BMW system..hide the marster under the tank..and have vire pull to aktivate it...it make it all komplikated and unsafe..bit make the" looks smart" effekt

I think your right about BMW. My buddy's R50/5 has no MC on the bars either.  I'm not sure how it makes the bike unsafe though, just a little more involved to service.
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 joeyvans

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #734 on: February 15, 2017, 09:07:09 AM »
I'm not sure how it makes the bike unsafe though, just a little more involved to service.

I guess it makes a guy wonder..... more linkage, less efficient? Hopefully still  effective?  I've never heard of them, but it would be nice to hear some real life experience with one.
1976 CB550 K2
Non-SOHC4 - 1974 CB450 K7
Non-SOHC4 - 1996 VFR750F

"No matter how much you shake and dance... the last three drops go in your pants."

Offline calj737

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #735 on: February 15, 2017, 10:58:36 AM »
I'm not sure how it makes the bike unsafe though, just a little more involved to service.

I guess it makes a guy wonder..... more linkage, less efficient? Hopefully still  effective?  I've never heard of them, but it would be nice to hear some real life experience with one.
My '74 R90 has the remote reservoir. Worked a treat. Can't for the life of me understand a thought of less safe??? Speculation at best in my book. In fact, its not really much different to modern reservoirs thats are plumbed to the MC by short hoses. I don't hear anyone describing them as unsafe.  ::)
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #736 on: February 15, 2017, 11:13:43 AM »
More complicated, sure.  Unsafe, I dont think so.

Lots of factory bikes have this setup, including the Yamaha Seca 750.  I might actually look for one of these OEM units and give it a go before I spend up for the new unit thats $100+

EDIT: It is very common to have a MC to a single rear disc setup on most bikes... is there a reason that I could not just take a rear MC and use it on the front of my bike?


« Last Edit: February 15, 2017, 11:30:48 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 joeyvans

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #737 on: February 15, 2017, 11:53:54 AM »
Speculation at best in my book.

With the boring life I lead... and no fun life experiences.... that's all I got, buddy! 
1976 CB550 K2
Non-SOHC4 - 1974 CB450 K7
Non-SOHC4 - 1996 VFR750F

"No matter how much you shake and dance... the last three drops go in your pants."

Offline GV1390

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #738 on: February 15, 2017, 12:02:09 PM »
More complicated, sure.  Unsafe, I dont think so.

I'm all too familiar with this.

-_-
93' GSX-R1100, 78' CB550, 71' CL350, 71’ CB500 & 02' ZRX1200R.

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #739 on: February 15, 2017, 12:05:34 PM »
More complicated, sure.  Unsafe, I dont think so.

I'm all too familiar with this.

-_-

It's the new motto of my build haha

Expensive? Absolutely.
Easy? No.
Safe? Probably.
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 sinister902

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #740 on: February 15, 2017, 12:19:03 PM »
EDIT: It is very common to have a MC to a single rear disc setup on most bikes... is there a reason that I could not just take a rear MC and use it on the front of my bike?




depends on bore size of the master. needs to be able to move enough fluid for the caliper to be effective. Rear calipers are typically small single pistons.

Offline SOHC4 Cafe Racer Fan

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #741 on: February 15, 2017, 12:19:50 PM »
More complicated, sure.  Unsafe, I dont think so.

I'm all too familiar with this.

-_-

Says the guy who rides like Indian Larry (standing on the seat)!

Oh to be in your 20's and indestructible!!
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 GV1390

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #742 on: February 15, 2017, 12:25:02 PM »
More complicated, sure.  Unsafe, I dont think so.

I'm all too familiar with this.

-_-

Says the guy who rides like Indian Larry (standing on the seat)!

Oh to be in your 20's and indestructible!!


Next time keep scrolling past those pictures that were taken in 2015 if you don't like them.

 :D

93' GSX-R1100, 78' CB550, 71' CL350, 71’ CB500 & 02' ZRX1200R.

Offline 754

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #743 on: February 15, 2017, 12:27:31 PM »
More complicated, sure.  Unsafe, I dont think so.

I'm all too familiar with this.

-_-

It's the new motto of my build haha

Expensive? Absolutely.
Easy? No.
Safe? Probably.

Easy? No...if it was everyone would be doing it.
Look end last page at the red bike I added...mc and throttle in the bars..not easy.
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Ericcb750

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #744 on: February 15, 2017, 12:36:30 PM »
Hey B, So you're leaving your cases bare? I know we're talking master Cyl's at the moment.

In My extremely "un-professional" opinion, I would think that as long as the mounting system is solid and the bore of the M/c is correct for a single caliper/disk , I would think it should work alright??

1978 CB750K
1978 CB750F super sport
2005 Sportster 1208

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #745 on: February 15, 2017, 12:48:13 PM »
Hey B, So you're leaving your cases bare? I know we're talking master Cyl's at the moment.

In My extremely "un-professional" opinion, I would think that as long as the mounting system is solid and the bore of the M/c is correct for a single caliper/disk , I would think it should work alright??

Yes I'm leaving mine bare.  Everything has its downsides, paint chips and flakes and powdercoat can do the same over time.  I don't mind the look of aging metal and with the sprays and treatments to bring back the finish i am comfortable keeping it looking nice. 
« Last Edit: February 15, 2017, 01:14:39 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 #746 on: February 15, 2017, 02:24:34 PM »
Not to be a wet blanket, but powdercoat is extremely durable and stain resistant.  You will have to be vigilant to inspect your engine and clean up your mess if you have oil, gas or grease accumulate on it.  Once it cooks on, it is a more difficult stain to remove.  That said, if you are the meticulous type, you should be just fine. 
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 #747 on: February 15, 2017, 03:25:40 PM »
Not to be a wet blanket, but powdercoat is extremely durable and stain resistant.  You will have to be vigilant to inspect your engine and clean up your mess if you have oil, gas or grease accumulate on it.  Once it cooks on, it is a more difficult stain to remove.  That said, if you are the meticulous type, you should be just fine.

Very true, i just don't like the inability to repair nicks and scratches without redoing the whole piece.
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 Retro Rocket

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #748 on: February 15, 2017, 03:31:40 PM »
Not to be a wet blanket, but powdercoat is extremely durable and stain resistant.  You will have to be vigilant to inspect your engine and clean up your mess if you have oil, gas or grease accumulate on it.  Once it cooks on, it is a more difficult stain to remove.  That said, if you are the meticulous type, you should be just fine.

Very true, i just don't like the inability to repair nicks and scratches without redoing the whole piece.

Good powdercoating shouldn't "nick and scratch" unless you hit it with a hammer, must be some #$%*ty powdercoaters out your way.... :P
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline BLAC

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Re: 1974 CB550. Monoshock. Engine Build. "BLAC"
« Reply #749 on: February 15, 2017, 03:35:41 PM »
rocks on the freeway can be a #$%*.  My family friend built a trailer, powder coated it, then a week after he finished it, the leading edge got chipped up after hitting a patch of loose gravel, got wet and the moisture spread under the powder coat.  He stripped it down to the metal then painted it.

Not saying that is all that common or going to happen on my bike, just saying that is one attribute of powder coat I don't love.
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