Author Topic: 1969 CB750 Sandcast Restoration Timelapse  (Read 5096 times)

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Offline Ujeni

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1969 CB750 Sandcast Restoration Timelapse
« on: April 29, 2019, 07:44:18 PM »
Hi everyone!

I bought CB750 Sandcast #538 from the original owner who had parked it more than 30 years ago. Amazingly, the bike had never been modified. But it was in rough shape. A perfect candidate for a full restoration!

Last time I restored a Sandcast (#410), I decided to take a unique picture of it:



You can read about Sandcast #410 here and the photo here.

For Sandcast #538, I decided to do something different; to record the entire experience and create a film! I ended up with almost 40 hours of timelapse footage...a bit too much for most folks  ;D So I created a five minute version to tell the full story. Enjoy!

« Last Edit: April 30, 2019, 08:22:45 AM by Ujeni »
Ujeni Motors
Sandcast #410
Sandcast #538 Watch the restoration!
Sandcast #6592 All original daily driver.

Offline rocket johnny

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #1 on: April 29, 2019, 09:18:36 PM »
very well done ! !    thanks for sharing  !

Offline pmanning

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #2 on: April 29, 2019, 10:43:41 PM »
WOW!

Offline Bankerdanny

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #3 on: April 30, 2019, 04:57:09 AM »
Nice. I love that you were able to keep the original seat cover.
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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 Johnie

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #4 on: April 30, 2019, 06:01:56 AM »
Excellent. I like that you painted the tank stripes rather than decals. Same here. Thanks for sharing that unique video!
1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline Ujeni

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #5 on: April 30, 2019, 08:27:50 AM »
Bankerdanny, yeah, I spent a lot of time mulling over the seat. It was in surprisingly good condition...but the original red foam was crumbling badly. I took things slowly and worked with a heat gun a lot to get the cover off and back on again without damaging it. Worth the effort to have an original seat cover and pan with fresh foam!

Johnie, this is the first time I have painted stripes on one of my restorations. Sandcast #410 has original paint, so I didn't need to worry about it. Prior to that, I used decals like many people do. This time, I measured the stripes on an early original tank and took the plunge. Super happy with the results. I'll never use a decal again!
Ujeni Motors
Sandcast #410
Sandcast #538 Watch the restoration!
Sandcast #6592 All original daily driver.

Offline mkoski

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #6 on: April 30, 2019, 09:46:07 AM »
Unbelievable work! Especially to take the time to capture it all on camera! Not as easy as it seems! This is fantastic, gorgeous work!

Offline SOHC4 Cafe Racer Fan

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #7 on: April 30, 2019, 10:14:27 AM »
Very cool video. That took some discipline and editing skills.
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)
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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 LastChancer88

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #8 on: April 30, 2019, 10:16:39 AM »
That might be the most satisfying picture on this entire forum.  WOW.
1973 Honda CB500 Four
1973 Suzuki TC125

Offline carnivorous chicken

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #9 on: April 30, 2019, 06:40:10 PM »
beautiful!

Offline PeWe

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #10 on: May 01, 2019, 01:14:32 AM »
Very beautiful bike(s)!
Good video that show how easy it really is to restore and build a CB750!  ;D
But it is clear that you have done this before, you know how to do and which parts to replace by NOS (if finding any) and new.  Original pistons very important here, replace by new, not very early is like pee in the church.... ???

I guess you have stacked up with good Sandcast/early K0 parts when finding them before you need them. Maybe before prices went crazy.

Or did you use all original parts, refurbish them only? Like re-chrome rims and fenders, spokes and nipples got new surface treatment ...

Restore to stock or very close is probably the most beautiful way for a CB750 ;)

There is one for sale in Sweden! 330.000 SEK / $34.700 US. Swedish SEK is low so you'll get it "cheaper".
https://www.blocket.se/hassleholm/Honda_CB_750_Sandcast_1969_84643670.htm?ca=15&w=3&last=1
« Last Edit: May 01, 2019, 01:18:59 AM by PeWe »
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline andy750

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #11 on: May 01, 2019, 03:22:12 AM »
Amazing work and loved the part at the end where you ride way...very nicely done!
Current bikes
1. CB750K4: Long distance bike, 17 countries and counting...2001 - Trans-USA-Mexico, 2003 - European Tour, 2004 - SOHC Easy Rider Trip , 2008 - Adirondack Tour 2-up , 2013 - Tail of the Dragon Tour , 2017: 836 kit install and bottom end rebuild. And rebirth: http://forums.sohc4.net/index.php/topic,173213.msg2029836.html#msg2029836
2. CB750/810cc K2  - road racer with JMR worked head 71 hp
3. Yamaha Tenere T700 2022

Where did you go on your bike today? - http://forums.sohc4.net/index.php?topic=45183.2350

Offline Bankerdanny

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #12 on: May 01, 2019, 09:43:54 AM »
I caught the article about your last bike in the current Motorcycle Classics. Nice work.
"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 theDQG

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #13 on: May 01, 2019, 10:55:29 AM »
Jesus....
'83 xv920
'76 xs650
cb750 k4 (2)
'81 R100RS

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Offline przjohn

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #15 on: May 02, 2019, 07:54:30 PM »
That is one of the coolest motorcycle videos I’ve seen. The workmanship is exemplary as well. I don’ t know much about Facebook but do you have that video up so that it can be shared? I have a bunch of friends who don’t restore, build, or even own vintage bikes but they appreciate them and the work that goes into them.They would love to take the 5 minutes to watch that video and I’ll bet so would a bunch of other regular Joe motorcyclists. On another note. Did you ever get any more of the posters made up of the Sandcast Parts Picture? I have a special place in my garage that would be perfect -lace to showcase that poster.
I like poetry, long walks on the beach, and poking at dead things with a stick.

Offline spotty

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #16 on: May 02, 2019, 10:11:22 PM »
well i was feeling temporarily inadequate earlier, now i feel that is a permanent thing

spectacular work and a great way to show it off
i blame Terry

Offline LastChancer88

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #17 on: May 03, 2019, 07:38:45 AM »
That is one of the coolest motorcycle videos I’ve seen. The workmanship is exemplary as well. I don’ t know much about Facebook but do you have that video up so that it can be shared? I have a bunch of friends who don’t restore, build, or even own vintage bikes but they appreciate them and the work that goes into them.They would love to take the 5 minutes to watch that video and I’ll bet so would a bunch of other regular Joe motorcyclists. On another note. Did you ever get any more of the posters made up of the Sandcast Parts Picture? I have a special place in my garage that would be perfect -lace to showcase that poster.

If you click on the little "YouTube" text at the bottom of the video player it will take you to the video on Youtube's website.  From there you can click "Share" underneath the video and it will allow you to share it to your Facebook page =)
1973 Honda CB500 Four
1973 Suzuki TC125

Offline Ujeni

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #18 on: May 05, 2019, 04:58:35 PM »
Thanks for all the compliments!

If you would like a pic of sandcast #410 in parts, you can visit my website and contact me for details. I sell 36 inch by 24 inch posters.

I considered changing the pistons, but the original pistons were in great shape. I, of course, changed the rings. The engine is the smoothest 750 I have ever built. Amazing.

You should be able to simply copy and paste the youtube link to share it on Facebook. Thanks!
Ujeni Motors
Sandcast #410
Sandcast #538 Watch the restoration!
Sandcast #6592 All original daily driver.

Offline BigJimG

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #19 on: May 07, 2019, 09:20:40 AM »
This video rebuild was awesome.  I did slow it down to .5x during some of the engine work as that is what I enjoy watching the most.  The finished bike turned out beautiful. 
1972ish CB750 Chopper Project
Yet another CB Chopper frame
1972 CL175
1973 CB175
1975 XR75
1975 CB750F
1976 CB750F1
1977 CB750F2
1978 CB750F3  (apparently, now I have a full set...)
1991 XR80

Offline PeWe

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Re: 1969 CB750 Sandcast Restoration Timelapse
« Reply #20 on: May 07, 2019, 09:48:53 AM »
About smooth CB750...
I guy around here has a K0 -70 in restored mint condition. It runs very even and is the most silent CB750 I have heard, like a sewing machine so I can imagine how this bike runs.

Stock CB750 is really fun and relaxing to ride. I have forgotten how it was until I built my K2, finalized end of march.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967