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Author Topic: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine  (Read 124935 times)

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Offline Camrector

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #600 on: February 04, 2017, 12:25:38 pm »
Same here brother. Rear disc brake parts arrived!

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Offline calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #601 on: February 04, 2017, 12:31:03 pm »
Don, I just got a detailed peek at the rear hub from Devin. You're going to mess your panties when it arrives.  :o He has hit this thing out-of-the-fricking-bike-porn-park! I'm not releasing any public sneak peeks though until he releases them through his site. Out of respect-
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"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 Restoration Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #602 on: February 04, 2017, 12:35:58 pm »
Quote from: calj737 on February 04, 2017, 12:31:03 pm
Don, I just got a detailed peek at the rear hub from Devin. You're going to mess your panties when it arrives.  :o He has hit this thing out-of-the-fricking-bike-porn-park! I'm not releasing any public sneak peeks though until he releases them through his site. Out of respect-
Boo!  Hiss!
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Ron

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Offline Camrector

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #603 on: February 04, 2017, 12:40:53 pm »
^^😂😂😂😂
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Offline calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #604 on: February 04, 2017, 12:41:16 pm »
LOL. What's worse, Ron, is I actually have video not just pictures.  ;D it will be done very, very soon. I'm going to try and catch up with him and weigh the final product compared to stock hub before we go for fitment tests.

The nice thing is, once everything is dialed in, making more should be much quicker than the prototype. As well as other models I suspect. Although, I wonder if a 550 rear would interchange with an F model 750 rear hub? Or the Ks?
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"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 Restoration Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #605 on: February 04, 2017, 01:44:46 pm »
Quote from: calj737 on February 04, 2017, 12:41:16 pm
LOL. What's worse, Ron, is I actually have video not just pictures. 
Yeah, well Bill says you're a nice guy but I'm questioning his judgement about right now!  >:(

Just kidding.  I am very interested though to see how this turns out.  Is he making the hubs out of aluminum or do you know?
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Ron

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Offline calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #606 on: February 04, 2017, 01:45:57 pm »
Billet aluminum. You can actually see the video on his IG account, click on his logo and watch the live video post.  ;D Couldn't help but lather up the trolls  ;D
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"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 calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #607 on: February 04, 2017, 01:46:56 pm »
Oh, and by the way, Devin says he thinks the rear hub will be about 10# so it's definitely heavier than stock.
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"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 SOHC4 Cafe Racer Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #608 on: February 04, 2017, 02:21:28 pm »
Quote from: calj737 on February 04, 2017, 12:31:03 pm
Don, I just got a detailed peek at the rear hub from Devin. You're going to mess your panties when it arrives.  :o He has hit this thing out-of-the-fricking-bike-porn-park! I'm not releasing any public sneak peeks though until he releases them through his site. Out of respect-

Sweet!! I am of the same mindset -- but I would dig it if you emailed me the footage only for my own personal use (of course)!
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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)
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"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)

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2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
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Offline neevo

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #609 on: February 04, 2017, 03:12:32 pm »
Quote from: calj737 on February 03, 2017, 03:47:15 am
While a rear brake doesn't produce a signficant percentage of braking power, it does produces more controlled braking. In certain riding circumstances, it is the better brake to use as well. And you should always also use the rear brake as part of normal braking habits.

That's certainly what I notice racing enduro. Rear brake not only keeps the bike in a straight line under heavy load but I think the 5% braking it offers seems to steady the load in to the front brake allowing for a touch more traction in the front too.
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Offline Restoration Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #610 on: February 04, 2017, 07:17:33 pm »
Quote from: CB750 Cafe Racer Fan on February 04, 2017, 02:21:28 pm
Sweet!! I am of the same mindset -- but I would dig it if you emailed me the footage only for my own personal use (of course)!

No fair!  ::)
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Ron

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Offline calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #611 on: February 06, 2017, 05:52:15 am »
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"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

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #612 on: February 06, 2017, 09:43:42 am »
Quote from: calj737 on February 06, 2017, 05:52:15 am
Getting closer...
https://www.instagram.com/p/BQLBzYeA5mW/?taken-by=cognitomoto

Damn straight!  Looking good!!  The internal machining for the cush drive rubbers, bearing retainers, etc, looks amazing, too.
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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 calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #613 on: February 06, 2017, 10:07:29 am »
So the word is 2 pounds heavier than stock fully assembled. But for the improvements, I'll suffer.
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"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 slikwilli420

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #614 on: February 06, 2017, 10:20:34 am »
No doubt a nice piece for a disc conversion, but for that kind of coin why not just use a flat track hub? The one I am going to use on my race bike weighs as much as just the cush drive from the 750 rear wheel.
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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #615 on: February 06, 2017, 10:27:50 am »
Quote from: calj737 on February 06, 2017, 10:07:29 am
So the word is 2 pounds heavier than stock fully assembled. But for the improvements, I'll suffer.
Me, too.
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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 calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #616 on: February 06, 2017, 10:28:24 am »
Quote from: slikwilli420 on February 06, 2017, 10:20:34 am
No doubt a nice piece for a disc conversion, but for that kind of coin why not just use a flat track hub? The one I am going to use on my race bike weighs as much as just the cush drive from the 750 rear wheel.
Where's the fun in that?  ??? Besides, its not always about the least expensive way, sometimes its about helping someone stimulate their business and pursue their dream. Had Devin not initiated the whole GSXR conversion and custom triples, many people and businesses might not have sprung up. Im not saying he set the trend, but his 550 certainly stimulated the ever-loving dog paws for these items.
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"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 tshrey

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #617 on: February 06, 2017, 10:46:09 am »
What kind of bike do I need to go steal the disc, caliper and master cylinder off of?


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Offline SOHC4 Cafe Racer Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #618 on: February 06, 2017, 10:53:02 am »
Quote from: tshrey on February 06, 2017, 10:46:09 am
What kind of bike do I need to go steal the disc, caliper and master cylinder off of?

Brembo P32 or P34 caliper.  Check Devin's site for the rotor options.
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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 SOHC4 Cafe Racer Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #619 on: February 07, 2017, 05:13:17 pm »
Yessss!!!  My Cognitomoto disc hub is on its way West!
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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 calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #620 on: February 07, 2017, 05:19:29 pm »
Hurry up and lace it up!

Devin (or one of his shop employees ((er-hmm)) vapor honed mine. Nice finish, but not going to stay that way. Produced a nice satin finish on the billet, but not nearly as lovely as Nils results.
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"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 calj737

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #621 on: February 07, 2017, 05:21:06 pm »
Oh, by the way, you should hear the nasty names Devin was calling me yesterday! I merely suggested that in order to reduce weight he considered offering these hubs in magnesium. Thought I had inadvertently reached a Sailor's head from the language :o :-[
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"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 SOHC4 Cafe Racer Fan

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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #622 on: February 07, 2017, 05:24:01 pm »
Quote from: calj737 on February 07, 2017, 05:21:06 pm
Oh, by the way, you should hear the nasty names Devin was calling me yesterday! I merely suggested that in order to reduce weight he considered offering these hubs in magnesium. Thought I had inadvertently reached a Sailor's head from the language :o :-[

I can only imagine how a block of magnesium that size as a blank would increase the cost but, yes, it would be light.
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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 SOHC4 Cafe Racer Fan

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  • Posts: 15,729
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Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #623 on: February 27, 2017, 02:06:44 pm »
Oops! I posted this in my other build thread, so here in comes again!  My new Cognitomoto rear disc hub:

IMG_0883_zpszolcgai3 by Donald Leonhardt, on Flickr

IMG_0884_zps2kftquq3 by Donald Leonhardt, on Flickr

IMG_0885_zpsy1ylfq5o by Donald Leonhardt, on Flickr

Swapped the caliper, too.

IMG_0830_zpstixawtk0 by Donald Leonhardt, on Flickr

The machining is exquisite!

2 lbs heavier than a stock drum hub, but lighter than a CB750F disc hub (with disc and caliper, because the old hefty rotor, caliper and bracket).
« Last Edit: July 03, 2017, 02:09:56 pm by SOHC4 Cafe Racer Fan »
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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 SOHC4 Cafe Racer Fan

  • Speak up, Whipper-Snapper! I'm a
  • Really Old Timer ...
  • *******
  • Posts: 15,729
  • SOHC/4 Member #1235
Re: The Hot Mess - 1975 CB550F1 Frame/1981 CB650 Engine
« Reply #624 on: February 27, 2017, 02:07:23 pm »
Ordered the rims, spokes and tires, too!
Logged
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
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