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Author Topic: '78 CB750K Cafe Build - Money Pit!  (Read 22869 times)

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Offline callmejarob

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Re: '78 CB750K Cafe Build - Questions!!
« Reply #100 on: March 19, 2015, 06:26:31 PM »
As much as I don't want to wait for it, I found them and ordered one.  Thanks!
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Offline Restoration Fan

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Re: '78 CB750K Cafe Build - Questions!!
« Reply #101 on: March 19, 2015, 06:41:29 PM »
I had an extra one at one point that I had gotten from Bill Benton.  I was pretty sure I returned it to him when I found my second one.  I just went and confirmed that indeed I did return it to him.  Otherwise, it was going to be yours.  Sorry.
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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 callmejarob

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Re: '78 CB750K Cafe Build - Questions!!
« Reply #102 on: March 20, 2015, 03:54:30 PM »
DFW Honda had the dowels in stock so I went and picked up two today!  Everything has been triple checked for the crankcase and will be assembled tomorrow.  Engine should be finished soon!  I am waiting on a few pieces to get back from plating though..
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Offline callmejarob

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Re: '78 CB750K Cafe Build - Questions!!
« Reply #103 on: March 26, 2015, 07:52:58 AM »
I got the cases together with no issues last weekend, transmission still shifts like butter!  Started installing the studs but some were having trouble going in so I'll clean the threads again, for the 4th time.. 

Most likely this bike will be going on a bit of a break soon, I've invested most of my money in my business this week and might have to wait 3-4 months to order the rest of the parts needed :(
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Offline Restoration Fan

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Re: '78 CB750K Cafe Build - Questions!!
« Reply #104 on: March 26, 2015, 08:19:33 AM »
Quote from: callmejarob on March 26, 2015, 07:52:58 AM
I got the cases together with no issues last weekend, transmission still shifts like butter!  Started installing the studs but some were having trouble going in so I'll clean the threads again, for the 4th time.. 

Most likely this bike will be going on a bit of a break soon, I've invested most of my money in my business this week and might have to wait 3-4 months to order the rest of the parts needed :(

Jarob,
We've all been there.  These bikes seem to take more money than anticipated when you're restoring or modifying them.  I know we doubled our original estimate of cost.  And there were many items we would have liked to purchase earlier but had to wait for cash flow reasons. 

Glad to hear the cases are back together.  Now just have to get those studs in so you can get cylinders, rings, head etc all buttoned back up.
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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 callmejarob

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #105 on: March 29, 2015, 06:25:35 PM »
Hey I've got a question.

I FORGOT TO REPLACE THE OIL SEALS! 

So I have to old oil seals on the crank, etc. still but have these fresh new oil seals sitting in a bag on my work bench.

Is it worth tearing the cases back down to replace them?
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Offline callmejarob

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #106 on: March 30, 2015, 01:45:46 PM »
Mods vs Rockers this weekend, wish I could have joined!






The fiat all cleaned up at the "shop"


Honing could not have been easier



Waiting on a new base gasket, I might have ripped mine....


And my new custom alloy fender to replace that old giant.




Still debating if I want to crack open the cases again to replace the crank oil seal...
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Offline SOHC4 Cafe Racer Fan

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #107 on: March 30, 2015, 01:48:31 PM »
I haven't seen that honing attachment.
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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 SKTP

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #108 on: March 30, 2015, 02:03:34 PM »
WOW! who did your head and how much?
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1978k rebuild thread http://forums.sohc4.net/index.php?topic=68423.0
BIKE OF THE MONTH - OCTOBER 2017
2003 Ducati M800ie
1997 Honda CR-V
2004 Honda CR-V
1966 Honda S90

Offline callmejarob

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #109 on: March 30, 2015, 02:48:18 PM »
Quote from: CB750 Cafe Racer Fan on March 30, 2015, 01:48:31 PM
I haven't seen that honing attachment.


Really?!

It's a flex hone, you order just the right size for your cylinders so that you really dont have to worry about over honing.

http://www.mscdirect.com/browse/tn/Abrasives/Laps-Hones/Hones/Flexible-Hones?navid=12100209

Drill it up and down for about 20 seconds and done.

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Offline callmejarob

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #110 on: March 30, 2015, 02:50:19 PM »
Quote from: SKTP on March 30, 2015, 02:03:34 PM
WOW! who did your head and how much?


The Vapor Blasting?  The head alone would only be about $50

Dan at Vapor Blasting Solutions : vaporblastsolutions@gmail.com

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Offline SOHC4 Cafe Racer Fan

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #111 on: March 30, 2015, 02:53:33 PM »
Quote from: callmejarob on March 30, 2015, 02:48:18 PM
Quote from: CB750 Cafe Racer Fan on March 30, 2015, 01:48:31 PM
I haven't seen that honing attachment.


Really?!

It's a flex hone, you order just the right size for your cylinders so that you really dont have to worry about over honing.

http://www.mscdirect.com/browse/tn/Abrasives/Laps-Hones/Hones/Flexible-Hones?navid=12100209

Drill it up and down for about 20 seconds and done.

No, I haven't done the machining/valves/porting myself on any of my bikes.
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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 callmejarob

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #112 on: April 01, 2015, 07:52:15 PM »
Spend a good 2+ hours today splitting the cases again and replacing the oil seals, got it all bolted back up and will work on the cylinders this weekend. 
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Offline callmejarob

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Re: '78 CB750K Cafe Build - Slowing down.
« Reply #113 on: April 06, 2015, 07:42:03 AM »
The guilty oil seals, glad I decided to replace them they are hard and worn.


Im practicing the old "use your fingernails and go slowly" method


Getting closer...


Piece of cake!


This valve spring compressor was surprisingly easy to use


And that was my Easter Sunday!



I lost the pin that holds the cam chain guide in place so I couldnt button her up just yet.  A new one is on the way!

Also put an offer on a house this weekend that has a NICE garage and shed, Ill find out today!
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Offline Restoration Fan

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #114 on: April 06, 2015, 07:46:27 AM »
Awesome!  Nice job on the piston install. 
And good luck on the house.  Makes all the difference in the world having a place where you can just go in the garage/shed/downstairs and work on the bike for a few minutes at a time. 
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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 SOHC4 Cafe Racer Fan

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #115 on: April 06, 2015, 08:45:52 AM »
Great job on the pistons and valves.  Pretty damn 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 Trad

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #116 on: April 06, 2015, 10:31:05 AM »
Killer job. Cracked through all that pretty quick.

The alloy finish on your engine will for sure dull out over time if left unclear coated. To some like me, it's not biggie though. haha. Take the others advice and clear your engine if you want the finish to stay as is.
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74 CB550 Build: NOS-GUTTED-OEMplus-HOLDTRUE
http://forums.sohc4.net/index.php/topic,130575.0.html

Offline callmejarob

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #117 on: April 08, 2015, 12:04:05 PM »
Quote from: Trad on April 06, 2015, 10:31:05 AM
Killer job. Cracked through all that pretty quick.

The alloy finish on your engine will for sure dull out over time if left unclear coated. To some like me, it's not biggie though. haha. Take the others advice and clear your engine if you want the finish to stay as is.


Yea I like that whole aged/patina look.  Plus I have an aircraft polish I will be using on it to keep it looking good.  I spoke with several vapor blasters and they all said its not needed
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Offline callmejarob

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #118 on: April 20, 2015, 02:48:42 PM »
I havent updated in a minute but I got a little bit more work done.  Unfortunately I'm waiting for some parts before I can continue so hopefully soon! 

Got the frame detabbed and hooped


Got the engine mostly finished.



Also got a fresh set of FINSERTS!
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Offline callmejarob

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #119 on: April 24, 2015, 02:16:35 PM »
The engine is essentially finished!  Got the timing and valve clearance set and ready to go!  Now I just need to get my frame back from the shop!



Here is a cool little detail I'm in love with:


A sneak peak of some parts:


Two tools I just got in



AND LOOK WHAT JUNIOR AT RETRO MOTO SENT ME!  Cant WAIT for this thing to get done!


I should have the frame back mid next week to strip and paint.

Im picking up a '72 CL175 this weekend too.  I will be moving into downtown Dallas within the next two months so I need something to putt around town on while the 750 is under the knife. 
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Offline SKTP

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #120 on: April 24, 2015, 03:10:34 PM »
Quote
Also got a fresh set of FINSERTS!

Did they cost you an arm and a leg? If not, where did you score them from?
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1978k rebuild thread http://forums.sohc4.net/index.php?topic=68423.0
BIKE OF THE MONTH - OCTOBER 2017
2003 Ducati M800ie
1997 Honda CR-V
2004 Honda CR-V
1966 Honda S90

Offline callmejarob

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #121 on: April 24, 2015, 03:14:08 PM »
Quote from: SKTP on April 24, 2015, 03:10:34 PM
Quote
Also got a fresh set of FINSERTS!

Did they cost you an arm and a leg? If not, where did you score them from?


Nope!  Member "FrankenFrankenstuff" on here makes them for a GREAT price!
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Offline Trad

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #122 on: April 24, 2015, 03:45:18 PM »
Nice work. Who's making the gas tank?
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74 CB550 Build: NOS-GUTTED-OEMplus-HOLDTRUE
http://forums.sohc4.net/index.php/topic,130575.0.html

Offline SOHC4 Cafe Racer Fan

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #123 on: April 24, 2015, 03:49:47 PM »
Quote from: Trad on April 24, 2015, 03:45:18 PM
Nice work. Who's making the gas tank?

Retro Moto aka Junior Burrell is one of the most talented metal fabricators in the country.  Nice guy, too.
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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 callmejarob

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Re: '78 CB750K Cafe Build - Money Pit!
« Reply #124 on: May 11, 2015, 12:54:09 PM »
Broke my dang ol clutch lifter plate!!!

Does anyone have an extra?!
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