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Author Topic: 1973 CB750 Custom Build on Hack A Week  (Read 103089 times)

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Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #150 on: December 19, 2015, 01:57:42 AM »
Got the carbs on the engine! A slightly modified small set screw solved the missing pin problem on the throttle linkage.

« Last Edit: December 19, 2015, 07:17:35 AM by Dino »
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Offline Restoration Fan

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #151 on: December 19, 2015, 03:43:01 AM »
Nice work, Dino.  I love your videos, man!
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #152 on: December 23, 2015, 07:17:13 PM »
Ordered up a 4/1 exhaust from Delkevic today. Start up video soon!  8)
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Offline MRieck

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #153 on: December 23, 2015, 08:17:47 PM »
Quote from: Dino on December 23, 2015, 07:17:13 PM
Ordered up a 4/1 exhaust from Delkevic today. Start up video soon!  8)
I will enjoy that especially knowing a had a very small hand in helping you bring the project together. It should be a nice ride Dino. ;)
Mike
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Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #154 on: December 24, 2015, 04:39:47 AM »
Your machine work is so nice I hated to hide it! :)
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Offline chewbacca5000

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #155 on: December 24, 2015, 09:03:22 AM »
Can't wait to see that Delkevic installed.  I saw one a GS1000 and it looked great.  The owner had the bright idea of hallowing out the baffle which I did not care for.

The only thing I don like abot the Delkevic is that it is rather heavy compared to a MotoGp, but what do you expect for $300. 
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Offline MRieck

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #156 on: December 25, 2015, 10:20:56 AM »
Quote from: Dino on December 24, 2015, 04:39:47 AM
Your machine work is so nice I hated to hide it! :)
Just to be clear Dino...the valve job and surface milling isn't my work. My machine shop specializes in motorcycle work and that is 99% of their business. It is hard to find a place like that and they are about 20 minutes from my house. I did the port work and anything that required a lathe though I believe that head didn't need any of that. Funny thing is when I wrote that post I was thinking more about the oil jets I sent you!  ;D ;D ;D
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Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #157 on: December 25, 2015, 12:41:08 PM »
Quote from: MRieck on December 25, 2015, 10:20:56 AM
Quote from: Dino on December 24, 2015, 04:39:47 AM
Your machine work is so nice I hated to hide it! :)
Just to be clear Dino...the valve job and surface milling isn't my work. My machine shop specializes in motorcycle work and that is 99% of their business. It is hard to find a place like that and they are about 20 minutes from my house. I did the port work and anything that required a lathe though I believe that head didn't need any of that. Funny thing is when I wrote that post I was thinking more about the oil jets I sent you!  ;D ;D ;D

Ahh yes! Important little items! You saved the day on that one! :) I STILL don't have my South Bend 9a put back together yet! Gotta get on that project as I could put it to good use.
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Offline Restoration Fan

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #158 on: December 25, 2015, 04:02:32 PM »
Quote from: Dino on December 25, 2015, 12:41:08 PM
Ahh yes! Important little items! You saved the day on that one! :) I STILL don't have my South Bend 9a put back together yet! Gotta get on that project as I could put it to good use.
Well let me go ahead and put in my vote for some Hackaweek videos when you do start making stuff on that lathe.
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline iismatthew

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #159 on: December 26, 2015, 08:49:11 PM »
I've been watching the videos since I got my 750 a few months back. Bikes Looking great, really enjoy the videos!
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Offline MCRider

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #160 on: December 27, 2015, 02:21:11 PM »
Quote from: Dino on December 23, 2015, 07:17:13 PM
Ordered up a 4/1 exhaust from Delkevic today. Start up video soon!  8)
Just curious....do we, or anyone, know if the Delkevic allow removal of the oil pan while its installed? On a 750.
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Ron
1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #161 on: December 27, 2015, 03:22:48 PM »
It would appear so. http://images.delkevic.co.uk/product5628_6.jpg

We'll soon find out! :)
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #162 on: December 27, 2015, 03:29:55 PM »
That'll be interesting to see. I am talking with them about doing one for my 75 CB750F.
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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 MCRider

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #163 on: December 27, 2015, 04:27:22 PM »
Quote from: Dino on December 27, 2015, 03:22:48 PM
It would appear so. http://images.delkevic.co.uk/product5628_6.jpg

We'll soon find out! :)

That would be nice, for those of us who like to pull the oil pump occasionally to check the screen. Clutch debris from drag racing, etc.

Do we like that muffler style, semi-flared?

PS: Thanks Dino, am avid viewer.
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1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

Offline Restoration Fan

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #164 on: December 27, 2015, 04:38:49 PM »
Dino,
What color are you thinking of painting your bike?

Ron
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Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #165 on: December 27, 2015, 08:50:55 PM »
Quote from: Restoration Fan on December 27, 2015, 04:38:49 PM
Dino,
What color are you thinking of painting your bike?

Ron

I think I'll stay with the original metal flake orange with stock decals.
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Offline GritCity750

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #166 on: December 27, 2015, 09:13:10 PM »
Quote from: Dino on December 27, 2015, 08:50:55 PM
Quote from: Restoration Fan on December 27, 2015, 04:38:49 PM
Dino,
What color are you thinking of painting your bike?

Ron

I think I'll stay with the original metal flake orange with stock decals.
Hard to beat that orange color for. I found House of Kolor Tangerine Orange (with some flake of course) to be very very close to some original painted parts I have. Thanks for taking the time to post all of those build videos Dino, they really saved my butt a few times.
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DH

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #167 on: December 28, 2015, 05:01:34 PM »
Quote from: Dino on December 27, 2015, 08:50:55 PM
Quote from: Restoration Fan on December 27, 2015, 04:38:49 PM
Dino,
What color are you thinking of painting your bike?

Ron

I think I'll stay with the original metal flake orange with stock decals.


http://forums.sohc4.net/index.php/topic,62274.msg46075.html#msg46075    Here's a link to the recipie for it..
Enjoying the shows as well. Well done sir 8)
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Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #168 on: December 28, 2015, 06:50:22 PM »
Thanks DH!
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Offline Mike on a bike

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #169 on: December 30, 2015, 01:03:57 PM »
Hi, I would just like to thank you for your video diary's I have an old CB750 that I bought with a snapped camshaft. I have watched quite a few of your videos since last year. Your one about rebuilding the top end was invaluable to me as it was one of my restrictor jets that was blocked and if I had not seen your video I would never have known about it let alone found them. The original engine re-builder had also missed it as only 160 miles later the cam snapped, then the current owner had just about given up on it and I picked up the pieces from there. My re-builder also missed it and after a lot of head scratching we eventually found it. I must add here that what I know about engines is borderline dangerous.  ::)
Thank you for taking your valuable time and doing these videos.  ;D ;D ;D ;D (I hope you don't mind me pinching your image but I may have helped a few people along the line with it as well.)   :)
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Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #170 on: December 31, 2015, 04:23:45 AM »
Quote from: Mike on a bike on December 30, 2015, 01:03:57 PM
Hi, I would just like to thank you for your video diary's I have an old CB750 that I bought with a snapped camshaft. I have watched quite a few of your videos since last year. Your one about rebuilding the top end was invaluable to me as it was one of my restrictor jets that was blocked and if I had not seen your video I would never have known about it let alone found them. The original engine re-builder had also missed it as only 160 miles later the cam snapped, then the current owner had just about given up on it and I picked up the pieces from there. My re-builder also missed it and after a lot of head scratching we eventually found it. I must add here that what I know about engines is borderline dangerous.  ::)
Thank you for taking your valuable time and doing these videos.  ;D ;D ;D ;D (I hope you don't mind me pinching your image but I may have helped a few people along the line with it as well.)   :)

I'm glad my video helped save your engine! Thanks for watching. :)
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Offline Restoration Fan

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #171 on: January 24, 2016, 05:10:38 AM »
Hey boys...Dino has a runner!  ;D
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline Dino

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #172 on: January 24, 2016, 06:27:23 AM »
Thanks for posting that Restoration Fan. Sure was great to hear it run, and the way it fired right off was very satisfying!

A few YouTube commenters mentioned that I should have applied some anti-seize to the JIS screws on the exhaust flanges. As I mentioned there,  I can always pull them back out one at a time and apply a little anti-seize. In fact, I'll be pulling the exhaust back off so I can send out the flange clamps for rechroming.

Now I need to sort out the wiring. I have a new harness but I'm missing a couple parts of the kill switch and turn signal switch. Might have to buy some replacement units.
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Offline SOHC4 Cafe Racer Fan

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #173 on: January 24, 2016, 10:01:52 AM »
Woo hoo!!  Well done, Dino!!  ;D
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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)
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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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1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
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2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: 1973 CB750 Custom Build on Hack A Week
« Reply #174 on: January 24, 2016, 10:59:48 AM »
Congrats Dino!

Delkevic tip: Install the 4 pipes into the collector FIRST then install on the head. Sounds great plus that's a 2 piece baffle for those that want to hear more.
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