Author Topic: 1977 CB550F IDK (first build)  (Read 177582 times)

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Offline minimo

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1977 CB550F IDK (first build)
« Reply #700 on: March 15, 2016, 07:40:51 AM »
Before and after.
A light diet plan and she now runs in full beast mode
« Last Edit: March 20, 2016, 07:39:11 PM by minimo »

Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB550F IDK (first build)
« Reply #701 on: March 15, 2016, 09:38:53 AM »
I have some custom ear plugs that I had made at IMS (where they squirt the material into your ear and let it harden).  I sometimes wear earbuds, too. 

I am interested in the new SENA helmet (estimated to be released this year) which has noise-cancellation technology (like Bose headphones) and Bluetooth -- all installed in the helmet.  Hopefully the fit and quality will be decent, the windnoise will not be high (like my Bell) and it will not be ungodly expensive.
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 minimo

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Re: 1977 CB550F IDK (first build)
« Reply #702 on: March 20, 2016, 06:17:48 PM »
Ouch. What a thing to see/read before a ride out on a Sunday. Thanks for looking out, calj. I will keep it in gear, which I have been since your last warning. I realize I need to condition my grip a bit. Something like this might work:


CB750, I like the idea of custom ear plugs. I will look into an audiologist and see what it takes/costs to get a mold of my ear holes and imbed some earbuds (to listen to navigation directions). Keep us posted on the Sena helmet :-)

I need a cool motorcycle jacket. I want a Schott and waiting on some sweet deals...



Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #703 on: March 20, 2016, 07:47:23 PM »
This jacket is pretty sweet lookin':

Icon 1000 Retrograde Jacket
via bikeexif
Quote
By now, every major gear manufacturer has at least a few retro items in their range. But Icon 1000 does it a little differently.

The $650 Retrograde jacket is a prime example. It has enough throwback styling to keep it relevant, with all the burliness we’ve come to expect from the Portlandian brand. The 1.1-1.3mm leather chassis features what Icon call an “attack fit”—so it’s articulated for comfort when riding. Perforated sections are a clear indication that spring’s in the air, but there’s a removable thermal vest too.

Neat little touches abound—like YKK zips, alloy shoulder sliders and accordion panels in all the right places. It ships with a full complement of D30 armour, and it’s available in brown and black (our pick). Buy

Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB550F IDK (first build)
« Reply #704 on: March 20, 2016, 08:57:05 PM »
I own a couple of RSD, Vanson, Schott and Icon jackets.  My go-to jacket of late has been my RSD Ronin with armor.

The nice thing about the ICON and ICON 1000 gear is that most if not all of it has built in armor.  The downside is that most if it is very modern looking.
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 minimo

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Re: 1977 CB550F IDK (first build)
« Reply #705 on: March 21, 2016, 08:28:39 AM »
Form follows function. Copy that.

It could also be that the clothes I've been wearing add to the noise factor. Loud flapping and pull-strings tapping the sides can all be heard from under my helmet. Maybe a better jacket will aid in lowering the noise. A better helmet will be nice too, for sure.

Thank you guys for your great input!

Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB550F IDK (first build)
« Reply #706 on: March 21, 2016, 08:34:28 AM »
It's probably a combination of both.  A good fitting jacket will not have much extra fabric/leather to flap around.  The fit should be close but should not limit movement.

Some helmets just fit better than others, and some helmets are inherently noisy.  That said, it's not a bad idea to ride with some ear protection.  You can try using some cheap $0.10 ear plugs that you can buy at Home Depot.  They will take the edge off of the wind noise but not block out important sounds like your motor and emergency sirens, etc. 

If you are still a novice or just riding in traffic, it would be good to skip any music until you have some seat time under your belt. 
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 minimo

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Re: 1977 CB550F IDK (first build)
« Reply #707 on: March 22, 2016, 08:57:08 PM »

Saying goodbye to this empty bin that was once overflowing with parts.

Btw, nothing stands between me and my playlists

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #708 on: March 30, 2016, 12:03:55 PM »


Was at Fry's Electronics and couldn't find a connector to mate with my Emgo ignition switch. It doesn't match up to my OEM Honda connector so was thinking about finding a good male/female connector combo.

I suppose I can connect the wires via spades/bullets but thought that was kinda cheeseball. Any recommends?

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #709 on: March 30, 2016, 12:10:45 PM »
Thanks, calj! That's a record time fast response!

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Re: 1977 CB550F IDK (first build)
« Reply #710 on: March 30, 2016, 10:32:14 PM »
Cal is the electrical Answer Man!
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 minimo

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Re: 1977 CB550F IDK (first build)
« Reply #711 on: April 09, 2016, 09:28:39 PM »
Is this smoke indicative of leaky valve(s)?

This is after about an hour ride. Is this normal? The exhaustion the muffler might also be on the excessive side because after every ride I always come off smelling like I been smoking and sucking on a bunch of exhausts for dessert.

Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB550F IDK (first build)
« Reply #712 on: April 10, 2016, 08:01:09 AM »
If the motor had been running for an hour, it should definitely be up to operating temperature.  The "smoke" is coming from the breather hose?  And not from the exhaust.
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 strynboen

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Re: 1977 CB550F IDK (first build)
« Reply #713 on: April 10, 2016, 08:11:51 AM »
it can be fuel vaupering from the oil.
.if your karb is leaking a bit..it fills a bit fuel dovn in the oil..and it boils at normal oil temperature.
..mine 400 does the same.

.i have thanged to a better cylender /piston set..but the old one can easy run for years...have faund a mikro small scratch in one sleeve..make the piston rings not komplet seal..

just Mount a cola can,,,and Mount the breater dovn..and put some steelvoll or nylon voll to take the oil damp ..
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 minimo

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Re: 1977 CB550F IDK (first build)
« Reply #714 on: April 10, 2016, 09:15:05 AM »
That vid was taken after an hour of riding up to 75 mph (on a gentle grade upward) and stop/go city riding - engine didn't cut out once amid this journey. The condensation you speak of, calj should have burned off by then, right? I stuck the old breather hose that's supposed to route to the airbox on there, because without it, it can get quite smokey under my helmet. I'm thinking to lengthen the hose and snake it around toward the rear so the breather smoke exhausts out there and not right under me. Strynboen, I like the cola can idea
I notice there is smoke coming from my carbs (dissipating out of the pod filter), which is indicative of some kind of fuel leak, right? I notice it more in #4 (rider left side) than from the others... I also find it easier to see the smoke at night than during daylight... What could the smokey carb mean?
I also need to tighten up the muffler downsize adapter because I can feel a tiny sputtering coming off where that attaches - could be where some of the exhaust smoke is escaping instead of out the muffler; I do feel exhaust coming out of the muffler too, of course.

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #715 on: April 10, 2016, 12:05:31 PM »
I meant #4. Slap on my wrist.

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #716 on: April 10, 2016, 03:36:45 PM »
I mean #1 = rider's left. Sorry, mentally challenged and slightly dyslexic


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Offline JMS28411 I'm no Spring Chicken

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Re: 1977 CB550F IDK (first build)
« Reply #717 on: April 11, 2016, 03:30:44 PM »
My son and I purchased a 1977 CB550F March 2014, we still have a few mods to make, we currently have a stock exhaust with a severely chopped stock muffler and UNI foam filters attached is a spread sheet of our various carb settings which you may find helpful :)
« Last Edit: April 12, 2016, 03:06:01 PM by JMS28411 »
My 1977 CB550F Project

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #718 on: April 12, 2016, 12:43:25 AM »
My first flat...

Was out on a celebratory ride to blow off steam after completing my tax filing. Everything was going great until suddenly it felt like I was running out of gas on an uphill (eastbound 134 fwy, after Harvey exit) and the bike started puttering out, so I pulled over safely to check what was going on. Put the petcock on reserve and kicked like mad. Nothing. Fiddled with the petcock some more and nothing was working and I was kicking like crazy and getting a good workout in the dark - cars and semis whizzing by me at high speed. Battery started running low, almost down to 10.9v and I felt helpless, took a deep breath, gathered my wits and started examining deeper. I then noticed that my fuel line to the petcock was bottoming out at the base of the insert - this had been a problem before where I think the inside of the fuel line was cutting off the flow of fuel to the carbs. I pulled the hose back off the nipple slightly to allow some clearance so it wouldn't kink and voila! A couple of kicks and she started right up. Next effort was to ride to the nearest gas station to fill up.
I'm nearing the gas station and that's when my back end starts fishtailing and I immediately feared that my wheel was gonna pop off but I looked down and oh wow, it's a flat! Luckily, I rolled the bike into the gas station and planted her next to the air pump and examined and lo and behold a nail plugged right in the center between some tread on the rear. Ugh. I imagine the puncture happened when I pulled off the fwy shoulder where a lot of debris can be found. I was lucky to make it about two miles to the nearest gas station; on a flat.
The gas station mini-mart had some of that tire foam seal in a can so I gave that a shot but it appeared that my tire tube was far gone and the stuff oozed out between the tire and the rim. Luckily I have AAA motorcycle assistance and had a tow truck come out - not a flat bed, btw. The driver came and looked confused and asked, "You called?" I said, "Yep! And this ain't no Civic." He said that his report said "Honda" and no other distinction so he assumed it was a car and not a motorcycle.
He said he'd try something he'd seen some others do before and lowered the rear tow fork and told me to ride the bike up the narrow bar so that he could strap the front tire into the tow arm cavity... I know he had never done this before but I just wanted to get the hell outta there and back home.
Here's me riding up the rear. He joked that it would be a good photo opportunity so I took him up for it:

How it ended up strapped down. Gulp.

So far so good, taking very bumpy LA surface streets.

I'm safe at home and exhausted. Ohh, what a night.

Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB550F IDK (first build)
« Reply #719 on: April 12, 2016, 06:37:48 AM »
That was a sketchy tow. Make sure to specify motorcycle next time. Glad you made it home safely along with the bike.
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 strynboen

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Re: 1977 CB550F IDK (first build)
« Reply #720 on: April 12, 2016, 06:49:34 AM »
it use to rain ..vhen i flat my tires :P :P :P
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 minimo

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Re: 1977 CB550F IDK (first build)
« Reply #721 on: April 12, 2016, 09:42:38 PM »
Wth! The nail head punctured my tire. Or, the tax ghost hammered it out from the inside...


Is the tire reusable? I'm hanging the tube for sure

Offline goldarrow

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Re: 1977 CB550F IDK (first build)
« Reply #722 on: April 12, 2016, 09:46:52 PM »
What an adventure!

I dont see why you can't reuse the tire. If it worries you, use tire patch kit???


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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #723 on: April 12, 2016, 09:52:29 PM »
Yep, adventurerreeee.

Ouch.

Harley 16"

Offline minimo

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Re: 1977 CB550F IDK (first build)
« Reply #724 on: April 13, 2016, 06:03:14 AM »
Hey, calj. The damage was not on the sidewall - sorry, bad pic. It is dead-center along and in between the tread:

Still not reusable?