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Author Topic: 1977 CB750F "El Moto"  (Read 18955 times)

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Offline tweakin

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Re: 1977 CB750F "El Moto"
« Reply #25 on: November 28, 2013, 02:07:19 PM »
Turned out really good!  awesome work.
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #26 on: November 28, 2013, 03:06:00 PM »
Before and after of the dual piston caliper upgrade
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Offline Bankerdanny

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Re: 1977 CB750F "El Moto"
« Reply #27 on: November 28, 2013, 03:54:10 PM »
Quote from: Roland on November 28, 2013, 09:25:25 AM
Finally the bike is complete!




Well, not quite...time for a 836.

Submit this one for the 2014 Calendar Roland
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #28 on: November 29, 2013, 06:53:38 AM »
Quote from: Bankerdanny on November 28, 2013, 03:54:10 PM
Quote from: Roland on November 28, 2013, 09:25:25 AM
Finally the bike is complete!




Well, not quite...time for a 836.

Submit this one for the 2014 Calendar Roland

Thanks Bankerdanny! How do I do that?
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #29 on: November 29, 2013, 06:55:49 AM »
Here is a quick and easy motor stand.  Put it on a small Harbor Freight furniture dolly and it makes moving motors around easy.

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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #30 on: November 29, 2013, 07:01:37 AM »
I also have a 78 CB750F2 that I built for my wife, the brown one below.  It has been blowing smoke all summer so that is the donor motor for my 77F.  The motor in my bike is really good (only 8500 original miles) so its going in the 78.

« Last Edit: November 29, 2013, 07:13:53 AM by Roland »
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #31 on: November 29, 2013, 07:05:01 AM »
Motor tear down has begun.



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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #32 on: November 29, 2013, 07:06:04 AM »
And I recently got my new carbs.

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Offline brandEn

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Re: 1977 CB750F "El Moto"
« Reply #33 on: November 29, 2013, 07:18:12 AM »
Nice rack!
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Offline dumpster84

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Re: 1977 CB750F "El Moto"
« Reply #34 on: November 29, 2013, 07:26:12 AM »
Wowww, awesome set up.  I can't imagine getting my wife to ride, let alone something as badass as that 78. 

I agree.....nice rack, dang.  Where'd you snag those carbs from if you don't mind me asking?
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Offline cheftuskey121

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Re: 1977 CB750F "El Moto"
« Reply #35 on: November 29, 2013, 07:43:37 AM »
woah. super cool bikes! love that dark blue and that brown f2 as well. great inspiration to see :D
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Offline Bankerdanny

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Re: 1977 CB750F "El Moto"
« Reply #36 on: November 29, 2013, 07:43:46 AM »
Go here: http://forums.sohc4.net/index.php?topic=125085.0 and repost the photo. There are instructions in the first post on page 1 of the thread.
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Bankerdanny

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Re: 1977 CB750F "El Moto"
« Reply #37 on: November 29, 2013, 07:53:27 AM »
I loved the stepped seat on your wife's bike. Did you make that yourself?
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #38 on: November 29, 2013, 08:39:09 AM »
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #39 on: November 29, 2013, 08:46:00 AM »
Quote from: dumpster84 on November 29, 2013, 07:26:12 AM
Wowww, awesome set up.  I can't imagine getting my wife to ride, let alone something as badass as that 78. 

I agree.....nice rack, dang.  Where'd you snag those carbs from if you don't mind me asking?

Thanks, I got her started on dirt bikes before we got married so she is pretty comfortable on 2 wheels.  Once I finished mine she was pretty set on having one.  It was kind of a gamble getting her the 750 as she is only 5'1".  I was looking to get her a 550 but then this 78F came up for dirt cheap so I couldn't afford to not buy it! It's slammed as low as it can go and actually sits perfect for her.

Ken at Cycle X supplied the "rack"
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #40 on: November 29, 2013, 08:52:05 AM »
Quote from: Bankerdanny on November 29, 2013, 07:53:27 AM
I loved the stepped seat on your wife's bike. Did you make that yourself?

I have a local shop that does all my seats for me.  The whole bike is my wife's design.  She likes the stock look so we made it look more like a modified original.

Here she is at the DSG 2013 ride in Denver a couple months ago.

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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #41 on: November 29, 2013, 10:41:28 AM »
Quote from: Roland on November 29, 2013, 08:52:05 AM
Quote from: Bankerdanny on November 29, 2013, 07:53:27 AM
I loved the stepped seat on your wife's bike. Did you make that yourself?

I have a local shop that does all my seats for me.  The whole bike is my wife's design.  She likes the stock look so we made it look more like a modified original.

Here she is at the DSG 2013 ride in Denver a couple months ago.



Your wife kicks a$$.  I wish I could get my better half to ride.
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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 #42 on: January 11, 2014, 10:09:23 AM »
When I did the original fiberglass cowl the mold collapsed as the resin heated up so I had to bondo the hell out of it.  Eventually it got a few cracks that I couldn't stand so here I go again building a new cowl.  I learned a lot on the last one so I'm sure this one will turn out better.

Foam mold






Wrap the entire seat and cowl in cellophane to hold the foam cowl, protect the seat and so the fiberglass will release once complete.

First layer of mat on and set, let it dry and sand everything smooth.



Sanded smooth and ready for 3 layers of sheet.


Getting the sheets ready



3 sheets are now applied, I rotated each layer to add strength by getting the strands to run in all directions.




Now it's time to let it all set up and cure...
« Last Edit: January 11, 2014, 10:24:10 AM by Roland »
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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #43 on: January 11, 2014, 10:40:03 AM »
Clean glass job.  How are you planning to attach the cowl to the seat?
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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 #44 on: January 12, 2014, 06:47:55 AM »
Quote from: CB750 Cafe Racer Fan on January 11, 2014, 10:40:03 AM
Clean glass job.  How are you planning to attach the cowl to the seat?

I've got some 1/4 turn quick release d-rings.  I am going to try to have that complete today so once finished I'll post some pictures
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #45 on: January 15, 2014, 05:52:48 PM »
I've got the d-rings installed and the fiberglass is pretty much complete, I just need to do a little more trimming and sanding.





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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #46 on: January 15, 2014, 05:55:38 PM »
Finally!! I got all my parts back from powder today, time for some real progress on the motor.



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Offline SOHC4 Cafe Racer Fan

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Re: 1977 CB750F "El Moto"
« Reply #47 on: January 15, 2014, 07:45:44 PM »
I like the quick release Zeus fasteners. The PC looks awesome.
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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 #48 on: February 07, 2014, 05:22:48 PM »
Quote from: CB750 Cafe Racer Fan on January 15, 2014, 07:45:44 PM
I like the quick release Zeus fasteners. The PC looks awesome.

Thanks, I finally heard from Ken @ Cycle X and my machine work is complete and should ship back to me next week.  Can't wait until I can start putting this motor together!
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Offline Roland

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Re: 1977 CB750F "El Moto"
« Reply #49 on: March 09, 2014, 07:48:27 AM »
I have been losing sleep over this fiberglass cowl being a tiny bit lop-sided so I finally made time to fix the problem.  Now it will go off to paint next week.




I also added a spot to strap in a tool pouch under the cowl.




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