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Author Topic: '74 CB750 Restoration  (Read 3364 times)

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Offline mcinturff

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'74 CB750 Restoration
« on: June 20, 2015, 12:33:24 PM »
This bike started out as a "clean and carbs and replace the tires" kind of project, and turned into a full blown restoration.  Back in February my friend picked this up for me while I was out of town and a few weeks later I started work on it.  The slides were frozen and the bowls filthy, warranting a carb rebuild.  The bike needed a decent amount of cosmetic attention.  After getting it running I noticed there seemed to be a problem with second gear.  After determining there was nothing wrong with the linkage, the bike was disassembled, and so it began...

The original thread can be found here: http://forums.sohc4.net/index.php/topic,145024.0.html

































After it's first bath







Carbs finally finished



Old exhaust was rotten, Motogpwerks to the rescue





A little birthday present



Teardown Nearing Completion









Goodies from the mailman



Splitting the cases











Cause for teardown







Getting it all cleaned up



Prepare for reassembly









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74 CB750

Offline calj737

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Re: '74 CB750 Restoration
« Reply #1 on: June 20, 2015, 07:13:00 PM »
That's a productive Saturday! What do you have planned for Sunday? ;)
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'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 mcinturff

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Re: '74 CB750 Restoration
« Reply #2 on: June 20, 2015, 09:34:40 PM »
Well, now I'm just sitting around waiting on powdercoated parts to come back, so I'm gonna help a forum member with his bike tomorrow.  Seems like half of the process of a restoration is waiting for stuff to arrive.
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74 CB750

Offline calj737

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Re: '74 CB750 Restoration
« Reply #3 on: June 21, 2015, 04:10:31 AM »
Quote from: mcinturff on June 20, 2015, 09:34:40 PM
Seems like 90% of the process of a restoration is waiting for stuff to arrive.
FTFY. Same for me. Can't fix mine, might as well help someone else.
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'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 2strokeTrush

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Re: '74 CB750 Restoration
« Reply #4 on: June 21, 2015, 06:11:19 AM »
Me Like  ;D
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If You Aint First Your Last!!

 350F project-http://forums.sohc4.net/index.php?topic=133079.0

500F Project-http://forums.sohc4.net/index.php?topic=135660.0

Offline mcinturff

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Re: '74 CB750 Restoration
« Reply #5 on: June 23, 2015, 08:43:00 PM »
Alright gents, going home tomorrow to put in some more hours on the project.  Think I'll paint the motor and rear hub, then lace the wheel and mount the new Battlax tire.  Pics to come.
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74 CB750

Offline mcinturff

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Re: '74 CB750 Restoration
« Reply #6 on: August 03, 2015, 06:58:50 PM »
Powdercoater took MUCH longer than expected.  Finally get to do some re-assembly:































Once the frame was protected with tape, rags, and an old inner tube, slipping it into place on the engine took less than a minute.  Much easier this way.  Removing the wheel bearing retainers, even after drilling the stakes, was a major pain.
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74 CB750

Offline calj737

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Re: '74 CB750 Restoration
« Reply #7 on: August 04, 2015, 04:53:23 AM »
Looks really beautiful. I'd suggest removing the powder coating from the upper bridge handlebar saddles to insure your bars carry very high continuity to ground.
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'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 mcinturff

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Re: '74 CB750 Restoration
« Reply #8 on: August 04, 2015, 08:04:07 AM »
Good idea.  The getting a good ground everywhere is going to be a paint with the powdercoat...
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74 CB750

Offline mcinturff

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Re: '74 CB750 Restoration
« Reply #9 on: October 11, 2016, 06:54:51 AM »
I finished this bike back in December, but never uploaded the photos. Enjoy!

































I can't find the latest photos, but I'll try to find them on my hard drive.
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74 CB750

Offline 503400f

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Re: '74 CB750 Restoration
« Reply #10 on: October 11, 2016, 04:29:01 PM »
Looking really good!  Seeing your photos of parts back from the powdercoater makes me excited to get all of ours back!!!
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Offline mcinturff

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Re: '74 CB750 Restoration
« Reply #11 on: October 17, 2016, 02:40:12 PM »
Don't have it painted up yet, but got to ride it yesterday for the first time since restoring it.







Doesn't leak a drop.

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74 CB750

Offline rickmoore24

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Re: '74 CB750 Restoration
« Reply #12 on: October 19, 2016, 02:09:55 PM »
Awesome work!
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1972 CB750 K2 (Daily Runner)
1972 CB750 K2 (Sold)
1973 CB750 K3 (Hardtail 836cc)
1998 CBR F3 - R.I.P., went down on the 101 in Calabasas, Ca.
1995 EG6

Offline Woftam

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Re: '74 CB750 Restoration
« Reply #13 on: October 20, 2016, 12:48:48 AM »
You gladden the heart of this old Honda mechanic; being commercially orientated I never had the time to reconstruct customer bikes with such TLC.
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Offline mcinturff

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Re: '74 CB750 Restoration
« Reply #14 on: October 20, 2016, 10:20:09 PM »
Glad y'all like it
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74 CB750
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