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Author Topic: 1978 Cb750K Ghost  (Read 20723 times)

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Offline calj737

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Re: 1978 Cb750K Ghost
« Reply #50 on: March 23, 2016, 06:38:25 AM »
If your chain is crusty, best to examine closely both front and rear sprockets and replace them all as needed, now.
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"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 SOHC4 Cafe Racer Fan

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Re: 1978 Cb750K Ghost
« Reply #51 on: March 23, 2016, 08:23:53 AM »
Your photobucket links are not working.  Only the 2 photos of your dog are displaying.
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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 greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #52 on: March 23, 2016, 09:20:10 AM »
are they working now?
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Offline SOHC4 Cafe Racer Fan

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Re: 1978 Cb750K Ghost
« Reply #53 on: March 23, 2016, 10:25:06 AM »
Yes, Chris!  Also glad that you properly secured the bike to the jack with tie downs!  After a recent tip-over (on a stand) from another member, you cannot be too cautious.

You might try some mild polishing on your fork legs, too, but nothing too robust (buffing wheel) since the bike is suspended.
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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 greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #54 on: March 23, 2016, 11:05:36 AM »
I plan on taking the front end apart and mildly polishing the front forks.  Also plan on respraying the trees while i am changing the bearings.

Yeah it was tough getting the bike stable on that stand because of that exhaust.. maybe next year i will change it out.
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Offline SOHC4 Cafe Racer Fan

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Re: 1978 Cb750K Ghost
« Reply #55 on: March 23, 2016, 11:07:37 AM »
Chris, the bike looks great with the bare unpainted tank.
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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 AintNoEasyWay

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Re: 1978 Cb750K Ghost
« Reply #56 on: March 23, 2016, 11:17:17 AM »
Quote from: greyghost18t on March 23, 2016, 11:05:36 AM
I plan on taking the front end apart and mildly polishing the front forks.  Also plan on respraying the trees while i am changing the bearings.

Yeah it was tough getting the bike stable on that stand because of that exhaust.. maybe next year i will change it out.

Doing the same work on my K7 at the moment, Ghost. Looks good & I really dig the bare tank. I've seen the bike you posted earlier with the black horizontal stripe & love that look.
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #57 on: March 23, 2016, 11:20:36 AM »
I am still deciding on what seat to go with.. scrambler or cafe... my wife wants me to pick soon though because it was her gift to me for my birthday back in october.
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #58 on: March 28, 2016, 07:49:37 AM »
Well i go the wheels balanced and they were pretty out of balanced. So lets hope that is one part of the front end vibration.  Tim from The Shop said my wheel bearings look good front and back. I think I might hold off on getting the new ones put in yet.

Here is what I did this weekend though..



Ripped boot... and the fork seals took a long time to get out because they were so corroded in there.



Here they are all taken apart.. ordered some new parts and i should be ordering new springs this week



Not much fork oil came out since it was all over my front end but here is how great it looked



Now to start sanding and polishing while waiting for parts..
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Offline SOHC4 Cafe Racer Fan

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Re: 1978 Cb750K Ghost
« Reply #59 on: March 28, 2016, 09:37:28 AM »
Better that there wasn't much fork oil since that old stuff has such a robust aroma!  Lack of fork oil will also cause ride vibration.
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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 greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #60 on: March 28, 2016, 09:41:44 AM »
I hope its cause between that and the balancing and the stem bearing that I will be replacing.  I think for the time being I am also just going to new springs just to be safe. Think i might go with the progressive to stop the front end from dipping as bad as it was last year. Also might just go with a 650 chain and not go to the 550 chain this year.
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Offline AintNoEasyWay

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Re: 1978 Cb750K Ghost
« Reply #61 on: March 28, 2016, 10:42:21 AM »
Hey ghost, what did you use to pull out those old fork seals? I'm having trouble getting mine out.
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #62 on: March 28, 2016, 11:01:32 AM »
i had to use a dull screwdriver and try to pry them out.  I ended up hammering one side down just to break them free
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Offline AintNoEasyWay

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Re: 1978 Cb750K Ghost
« Reply #63 on: March 28, 2016, 11:02:47 AM »
Quote from: greyghost18t on March 28, 2016, 11:01:32 AM
i had to use a dull screwdriver and try to pry them out.  I ended up hammering one side down just to break them free

Interesting. This things are so stubborn. Thanks!
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #64 on: March 31, 2016, 08:39:16 AM »
Well i ordered a new chain.  I went with the 630 still. Being a 78 i didn't want to worry about the difference in sprocket offset that I was reading about right now.  Also ordered progressive springs and I am looking forward to finishing the polishing on the forks and putting them back together. I hope to try to tackle the stem bearings this weekend.  Any extra hints on how to do this. I have the manual and i am doing research on this as well.
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Offline riffman12

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Re: 1978 Cb750K Ghost
« Reply #65 on: March 31, 2016, 10:14:57 AM »
Quote from: AintNoEasyWay on March 28, 2016, 11:02:47 AM
Interesting. This things are so stubborn. Thanks!

big screwdriver, pry against the other side of the fork. Put a rag there so you don't damage the edge.
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Offline AintNoEasyWay

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Re: 1978 Cb750K Ghost
« Reply #66 on: April 01, 2016, 08:47:41 AM »
Quote from: riffman12 on March 31, 2016, 10:14:57 AM
Quote from: AintNoEasyWay on March 28, 2016, 11:02:47 AM
Interesting. This things are so stubborn. Thanks!

big screwdriver, pry against the other side of the fork. Put a rag there so you don't damage the edge.

Great. Thanks guys.

Ghost, I went with a 630 on my K7 & am happy with it.
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #67 on: April 20, 2016, 06:39:36 PM »
Well I installed the stem all ball bearings tonight. Went pretty good with the help of my friend Dan.  Next is to work on the front forks and polish more stuff.  Ordered the k and n pods and they don't fit my carbs even though they say for cb750k. Looks like I have to exchange them for something that fits.
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Offline sethmcalister

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Re: 1978 Cb750K Ghost
« Reply #68 on: April 20, 2016, 07:01:01 PM »
Quote from: CB750 Cafe Racer Fan on June 29, 2015, 03:29:32 PM
You can clear coat the tank in powdercoat and then (AFTER) line the interior in Caswell.
Why after?

Sent from my Nexus 6P using Tapatalk

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Offline calj737

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Re: 1978 Cb750K Ghost
« Reply #69 on: April 21, 2016, 02:21:25 AM »
Because the heat from powder coat curing will damage the liner.
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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 greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #70 on: April 21, 2016, 06:45:27 AM »
anyone know where i can get 44.45mm k&N pods?  the inlet on the carbs are 1 3/4 inches and everyone shows the cb750k pods are the 40mm.
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #71 on: April 21, 2016, 07:31:50 AM »
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #72 on: April 22, 2016, 06:40:19 AM »
Did some more work last night on some parts



Looks like this weekend I will be getting the front end back together and possibly the back end.  Trying to figure out the best way to paint the engine while it is still in the frame. Also need to take off covers and polish them.
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Offline AintNoEasyWay

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Re: 1978 Cb750K Ghost
« Reply #73 on: April 22, 2016, 07:45:30 AM »
Sweet. It's a pain to polish but the end results are always so gratifying.

Are you planning to paint the entire engine & what color?
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Offline greyghost18t

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Re: 1978 Cb750K Ghost
« Reply #74 on: April 22, 2016, 08:36:53 AM »
I am planning on painting all of the parts except the removable covers which i want to polish.  I am tempted on black to hide the gas leak discoloration from one of my carbs that i have to fix. Not sure yet. I think black with polished covers would look pretty balls.  Or just go back to the silver.

Also tempted on painting the wheels, spokes and all black too..
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