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Author Topic: 1977 CB750F "El Moto"  (Read 18957 times)

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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #50 on: March 09, 2014, 09:22:44 AM »
Roland,

Sorry for the extra questions but I am really interested in this style of convertible seat.

1. How did you construct the seat to accommodate the fasteners without creating something that will compromise the durability of the upholstery or catch on your thighs as you shift/move in the seat to turn?

2. How do you secure the tail of the cowl so it does not rattle against the frame hoop?

Don
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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 immortal

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Re: 1977 CB750F "El Moto"
« Reply #51 on: March 09, 2014, 02:30:29 PM »
What a great job you did there Roland!  I have a question, do either of your F model bikes leak much oil at all? I have mine apart again for the second time after just 1800 miles, very minor oil making its way to the fins, its not the pucks, its something else..trying to find some tips on here for more of  a leak proof-ish assembly. 
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Sometimes...the hard thing and the right thing are the same thing!

1976 CB750F "Pegasus Bike"

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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #52 on: March 11, 2014, 03:00:32 PM »
No problem, I welded 2 small tabs to the seat pan a little inside from the edge.  That way there could be a little foam between the tabs and the leather.  Where the tabs are placed you wouldn't sit, they are between the passenger and the driver.  If you did have the cowl off and were riding solo you would have to slide back to a pretty uncomfortable position in order to feel the tabs, but you would feel them if you sat on them.

The cowl has a consistent 1/16 reveal to the hoop.  no matter how hard you press on it, it will not touch the hoop anywhere.  Once in place and locked on it doesn't move so there is no reason to make it attach at the rear.

I hope that helps!

Quote from: CB750 Cafe Racer Fan on March 09, 2014, 09:22:44 AM
Roland,

Sorry for the extra questions but I am really interested in this style of convertible seat.

1. How did you construct the seat to accommodate the fasteners without creating something that will compromise the durability of the upholstery or catch on your thighs as you shift/move in the seat to turn?

2. How do you secure the tail of the cowl so it does not rattle against the frame hoop?

Don
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #53 on: March 11, 2014, 03:05:57 PM »
Quote from: immortal on March 09, 2014, 02:30:29 PM
What a great job you did there Roland!  I have a question, do either of your F model bikes leak much oil at all? I have mine apart again for the second time after just 1800 miles, very minor oil making its way to the fins, its not the pucks, its something else..trying to find some tips on here for more of  a leak proof-ish assembly.

My 78 does not leak at all, the 77 is being assembled now so hopefully I don't have any issues with it!  Tweakin may have some tips, he has also built 77 and 78 f's.
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Offline jojo

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Re: 1977 CB750F "El Moto"
« Reply #54 on: March 11, 2014, 03:27:34 PM »
both of your bikes are super nice! great job on the seat. Makes me want to try and redo my setup.
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #55 on: March 11, 2014, 03:34:36 PM »
Thanks I really appreciate the compliments!

Quote from: jojo on March 11, 2014, 03:27:34 PM
both of your bikes are super nice! great job on the seat. Makes me want to try and redo my setup.
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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #56 on: March 11, 2014, 04:35:34 PM »
Quote from: Roland on March 11, 2014, 03:00:32 PM
No problem, I welded 2 small tabs to the seat pan a little inside from the edge.  That way there could be a little foam between the tabs and the leather.  Where the tabs are placed you wouldn't sit, they are between the passenger and the driver.  If you did have the cowl off and were riding solo you would have to slide back to a pretty uncomfortable position in order to feel the tabs, but you would feel them if you sat on them.

The cowl has a consistent 1/16 reveal to the hoop.  no matter how hard you press on it, it will not touch the hoop anywhere.  Once in place and locked on it doesn't move so there is no reason to make it attach at the rear.

I hope that helps!

Quote from: CB750 Cafe Racer Fan on March 09, 2014, 09:22:44 AM
Roland,

Sorry for the extra questions but I am really interested in this style of convertible seat.

1. How did you construct the seat to accommodate the fasteners without creating something that will compromise the durability of the upholstery or catch on your thighs as you shift/move in the seat to turn?

2. How do you secure the tail of the cowl so it does not rattle against the frame hoop?

Don

Damn clever!!  Thanks, Roland.
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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 Roland

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Re: 1977 CB750F "El Moto"
« Reply #57 on: March 31, 2014, 07:24:35 AM »
So the cowl is off to get painted and I now have all the needed parts for my motor.  I had a chance yesterday to assemble the trans and get the cases put back together.  I feel like I am now in a race with the weather here in Colorado, every day that it gets above 60 I start to panic a little.



Plastigauge was good






Cases together and gear shift drum/stopper assembled


Ready for top end!
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #58 on: April 09, 2014, 07:13:05 PM »
Pistons and Cylinder on, waiting for my cam to get the head assembled


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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #59 on: April 09, 2014, 07:17:12 PM »
While waiting for my cam to get here I was able to get some of the other punch list items complete.

Koso digital speedo and tach installed with new custom dash(second time I've built this dash)

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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #60 on: April 09, 2014, 07:24:29 PM »
Suspension is complete.

Gazi Hyper Lite shocks



Race Tech Gold Valve emulators are now installed



Tarozzi fork brace to keep everything in line



I expect this bike to handle like a modern sport bike now...haha!
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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #61 on: April 09, 2014, 07:27:55 PM »
Quote from: Roland on April 09, 2014, 07:13:05 PM
Pistons and Cylinder on, waiting for my cam to get the head assembled




Your powdercoated motor looks amazing. Great color choice!
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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 Roland

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Re: 1977 CB750F "El Moto"
« Reply #62 on: April 09, 2014, 07:33:23 PM »
Thanks, I can't wait to see it all put together.  There are some black accents that will look nice.
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Offline dagersh

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Re: 1977 CB750F "El Moto"
« Reply #63 on: April 10, 2014, 09:05:04 AM »
Beautiful work!

Gersh
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1962 CA95
1966 Black Bomber
1966 CA77 Dream
1967 Superhawk
1970 CB750K0
1972 CL350
1972 CB450/500 Custom
1972 CB500K1
1975 CB550F
1976 CB400F
1975 CB750 Future Restoration
1976 CB750K6
1976 CB750F
1976 GL1000


1968 Suzuki T500 Cobra
1990 BMW K1
2001 'Busa
2003 RC 51
Bunch of Guzzi's

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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #64 on: April 10, 2014, 04:24:22 PM »
Quote from: Roland on April 09, 2014, 07:33:23 PM
Thanks, I can't wait to see it all put together.  There are some black accents that will look nice.
Ok, then. Stop teasing.
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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 riverfever

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Re: 1977 CB750F "El Moto"
« Reply #65 on: April 10, 2014, 04:58:19 PM »
Roland what is the DSG ride from that picture? I'm originally from St. Louis but now live up in Woodland Park. STL has a vintage bike night that meets at a brewery every month or so. When I lived there I didn't have a motorcycle. Now that I do I'd love to find others with similar bikes.
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"You wouldn't think that out here...a man could simply run clear...out of country but oh my...oh my...nothing but the light." -Ben Nichols

Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #66 on: April 10, 2014, 06:03:50 PM »
Quote from: riverfever on April 10, 2014, 04:58:19 PM
Roland what is the DSG ride from that picture? I'm originally from St. Louis but now live up in Woodland Park. STL has a vintage bike night that meets at a brewery every month or so. When I lived there I didn't have a motorcycle. Now that I do I'd love to find others with similar bikes.

Awesome to hear from someone near me!  The vintage scene here is few and far between.  That is from the DSG Denver last year.  I'm hoping to put a DSG ride together in CS this year if we can find enough riders.  I live in Manitou so we will have to hook up soon.
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #67 on: April 10, 2014, 06:05:19 PM »
Quote from: CB750 Cafe Racer Fan on April 10, 2014, 04:24:22 PM
Quote from: Roland on April 09, 2014, 07:33:23 PM
Thanks, I can't wait to see it all put together.  There are some black accents that will look nice.
Ok, then. Stop teasing.

This has been a slow process, I should be able to put it in the bike this weekend though!
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Offline riverfever

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Re: 1977 CB750F "El Moto"
« Reply #68 on: April 10, 2014, 06:08:27 PM »
Quote from: Roland on April 10, 2014, 06:03:50 PM
Quote from: riverfever on April 10, 2014, 04:58:19 PM
Roland what is the DSG ride from that picture? I'm originally from St. Louis but now live up in Woodland Park. STL has a vintage bike night that meets at a brewery every month or so. When I lived there I didn't have a motorcycle. Now that I do I'd love to find others with similar bikes.

Awesome to hear from someone near me!  The vintage scene here is few and far between.  That is from the DSG Denver last year.  I'm hoping to put a DSG ride together in CS this year if we can find enough riders.  I live in Manitou so we will have to hook up soon.

I'd love to meet up. This is my first bike/project and I'd like to learn more.
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"You wouldn't think that out here...a man could simply run clear...out of country but oh my...oh my...nothing but the light." -Ben Nichols

Offline Stev-o

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Re: 1977 CB750F "El Moto"
« Reply #69 on: April 11, 2014, 05:15:20 AM »
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline tweakin

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Re: 1977 CB750F "El Moto"
« Reply #70 on: April 11, 2014, 07:20:49 PM »
Looks awesome Roland!  Only thing better than a fresh motor in a stand is a fresh motor in the frame.
Cheers
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: 1977 CB750F "El Moto"
« Reply #71 on: April 19, 2014, 10:41:47 PM »
WTF??!! How have I missed this? Glad you included Colorado Springs in your title now. Guess this makes 5 of us here in the Springs. How did that happen and where does everyone hide? You guys met Jeremy and Keith yet?

You boys up for a meet and ride? As soon as my oil pump goes back in the 900 goes back in the frame and I'm ready. Perhaps by next weekend. May need a little help lifting the engine off the bench and installing it. Nothing like the smell of a new engine breaking in  ;D

Who's doing your powder, Spectrum? I used them for the engine and another guy for the frame. You up for a frame kit weld job? Gotta start my second one, a 1000 and I'd like to get Gordon's kit installed then start the engine. Need to choose a cam and get another crank done them I'm ready for #2. 

Give me a call 963-3080.

Jerry
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #72 on: April 20, 2014, 07:04:28 AM »
I have seen your name and tag line before and never noticed that you are from CS.  I know Keith, I met him at the DSG Denver ride last summer.  Lets get together! 

I can definitely help you out with putting the motor in and we can talk about the frame kit welding.

I quit using Spectrum, I get pissed when people raise their prices every time you come in.  If your not bringing them a bicycle frame they don't seem to want your business.

I'll PM you my #
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #73 on: April 26, 2014, 06:39:41 AM »
I finally got it out on the road for a break in ride.  I have been chasing jetting issues only to find out that the problem was the way my fuel lines were routed.  Once I corrected the fuel line route I had to go back to the original jetting and start over.  I still have a flat spot mid throttle but I am getting close.  I will try to post some pictures today of the finished product!
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Offline Stev-o

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Re: 1977 CB750F "El Moto"
« Reply #74 on: April 26, 2014, 03:54:26 PM »
Sounds like a fairly successful first ride, congrats.
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........
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