Author Topic: After 12 years of silence a 1975 CB750 sings again!  (Read 2422 times)

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Offline zzpete

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After 12 years of silence a 1975 CB750 sings again!
« on: July 25, 2010, 08:05:48 AM »
I never get tired of bringing an old CB750 back to life. This one sat for 5 years before I bought it, then sat 7 years in my garage. I stored it right, reset the valves, rebuilt the carbs, new points,etc. etc.  The initial start up blew out some smoke (I had Marvel Mystery Oil in the cylinders) I let it warm up for a few minutes then changed the oil and it runs and idles pretty darn good! Can't drive it because I have to rebuild the master cylinder and put a chain on (I'll do that tomorrow). If it gets all the gears and stops good then I'll rebuild the front end (seals , springs and polishing) new tires and WAH LAH the new daily driver!


CLICK BOTTOM PIC FOR MOVIE!!
« Last Edit: July 25, 2010, 08:14:34 AM by zzpete »
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline Johnie

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #1 on: July 25, 2010, 09:23:43 AM »
Ah nice there ZZ. Nothing like the sound of a 750 early in the morning. Looks like a great rider too. Little hard on the butt, but you will get used to it.  ;D
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 zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #2 on: July 25, 2010, 09:30:21 AM »
Ah nice there ZZ. Nothing like the sound of a 750 early in the morning. Looks like a great rider too. Little hard on the butt, but you will get used to it.  ;D
I'll post a picture when its done (seat included). ;D
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline hoodellyhoo

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #3 on: July 25, 2010, 10:16:40 AM »
Nothing quite like that first startup. Solid looking bike you got there.
1972 CB350F (Back from the Dead!)- http://forums.sohc4.net/index.php?topic=20822.0
1965? S65 - Coming Eventually!
1972 CB750K2 (father-son project)
1976 CB750K6- (sold) http://forums.sohc4.net/index.php?topic=96859.0
1976 CB750K6 (sold)- http://forums.sohc4.net/index.php?topic=62569.0

Offline dhall57

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #4 on: July 25, 2010, 01:14:20 PM »
Good looking 75 CB750. What was the reason for letting it sit in your garage for 7 years? Just wondering.
1970 CB750KO
1971 CB500KO-project bike
1973 CB350G- project bike
1974 CB750K4-project bike
1974 CB750K4
1976 CB750K6
1977 GL1000
1997 Harley Wideglide

Offline zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #5 on: July 25, 2010, 01:32:16 PM »
Good looking 75 CB750. What was the reason for letting it sit in your garage for 7 years? Just wondering.
Too many bikes, kids and 60+hour work weeks!!
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline dhall57

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #6 on: July 25, 2010, 01:53:13 PM »
Good looking 75 CB750. What was the reason for letting it sit in your garage for 7 years? Just wondering.
Too many bikes, kids and 60+hour work weeks!!

Busy man ZZ. I know you are happy that your finally getting to work on it. Good luck. Keep us informed with your progress.
1970 CB750KO
1971 CB500KO-project bike
1973 CB350G- project bike
1974 CB750K4-project bike
1974 CB750K4
1976 CB750K6
1977 GL1000
1997 Harley Wideglide

Offline Stev-o

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #7 on: July 25, 2010, 02:00:59 PM »
Good for you!
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline Mayor08

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #8 on: July 25, 2010, 02:27:20 PM »
Hey ZZPete nicely done congrats!

I'm also in "Crook" county and working on a 75 750K just got it to fire this weekend now working on idling and easier starting....if can both manage to get them on the road soon then maybe we can meet for a ride
Scottish ex-wife Brit Mistress

Offline zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #9 on: July 25, 2010, 04:50:40 PM »
Hey ZZPete nicely done congrats!

I'm also in "Crook" county and working on a 75 750K just got it to fire this weekend now working on idling and easier starting....if can both manage to get them on the road soon then maybe we can meet for a ride
Sounds great Mister Mayor. I put it together just enough to run it. I have to rebuild the front end, new chain and sprockets, tires too and I should be ready!
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline Popwood

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #10 on: July 25, 2010, 08:30:38 PM »
Nothing beats those first moments when the switch goes on and the lights go on like the nervous system has the life force....then if you can kick it over, hooozaa!  Great you got her going. Love the color- candy blue green?  That's what I painted my 750 this past winter.
Current Rides:
1975 cb550K
1975 cb750K
1967 Bridgestone 350GTR

Past Rides:
1988 400 Hawk
195? Schwinn Whizzer

Offline zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #11 on: July 26, 2010, 05:23:48 AM »
Nothing beats those first moments when the switch goes on and the lights go on like the nervous system has the life force....then if you can kick it over, hooozaa!  Great you got her going. Love the color- candy blue green?  That's what I painted my 750 this past winter.
Its Planet Blue Metallic, the original paint. The tanks off my old 75.
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline Stev-o

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #12 on: July 26, 2010, 06:02:39 PM »
Like the Planet Blue too...that will be my next one
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #13 on: August 26, 2010, 04:48:43 PM »
 ;D Took the 1975 CB750 resurrection project out for a ride today. The bike accelerates really well! It needs tires in a bad way so I couldn't take it up to 70mph, but it rides real nice at 55mph. It has a set of mulholland shocks on it that I think I'm going use on a different project. Once I get the stock shocks and chain guard on there the thing won't look half bad! When I get my tires next week I'm going to take it out for a real shake down cruise!
[img width= height=]http://i472.photobucket.com/albums/rr90/prundle4/100_8765.jpg[/img]
[img width= height=]http://i472.photobucket.com/albums/rr90/prundle4/100_8762.jpg[/img]
[img width= height=]http://i472.photobucket.com/albums/rr90/prundle4/100_8769.jpg[/img]
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline cookindaddy

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #14 on: August 27, 2010, 04:02:26 AM »
Nice looking bike! You have a few there!
George with a black 78 CB750K (in Lion's Head, Ontario, Canada)

Offline dhall57

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #15 on: August 27, 2010, 04:53:25 AM »
Great work ZZ!! I know you have to be happy having her back on the road again after all those years. Now enjoy it.
1970 CB750KO
1971 CB500KO-project bike
1973 CB350G- project bike
1974 CB750K4-project bike
1974 CB750K4
1976 CB750K6
1977 GL1000
1997 Harley Wideglide

Offline KB02

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #16 on: August 27, 2010, 06:25:17 AM »
That is a real nice looking ride you've got there. Just some fresh paint and it will be a real beaut!
1978 CB750K Project
2000 Ducati ST2
...and a pedal bike

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Offline Johnie

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #17 on: August 27, 2010, 06:30:31 AM »
Very nice there ZZ!!! I am a fan of the planet blue too. I just looks like a great find and great ride. Let us know how she fires up.
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 zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #18 on: August 27, 2010, 12:36:56 PM »
That is a real nice looking ride you've got there. Just some fresh paint and it will be a real beaut!
I thought about it but I think I'm going to leave the paint alone to give it the "survivor bike" look. The rims and chrome have some pitting, the HM341 pipes have rust holes and the tank is faded but pretty straight. I might change my mind over the winter though. You know you start thinking about bronze swingarm bushings, steering head bearings, port and polish, etc, etc, etc. Oh hell your right I'll probably paint it!  ;D ;D ;D
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline Johnie

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #19 on: August 27, 2010, 01:00:17 PM »
That is a real nice looking ride you've got there. Just some fresh paint and it will be a real beaut!
I thought about it but I think I'm going to leave the paint alone to give it the "survivor bike" look. The rims and chrome have some pitting, the HM341 pipes have rust holes and the tank is faded but pretty straight. I might change my mind over the winter though. You know you start thinking about bronze swingarm bushings, steering head bearings, port and polish, etc, etc, etc. Oh hell your right I'll probably paint it!  ;D ;D ;D

Your killin' me ZZ...I like your thinkin'. My K4 orange is still the original paint and the tank is unscathed. I have also thought about keeping it as a survivor and not painting it again. Too bad that candy faded so much back then. I wonder how old these bikes were when the faded paint started to show? I mean with normal use back then I wonder how long it lasted before those fading signs started to show???
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 zzpete

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #20 on: August 27, 2010, 01:13:29 PM »
Its lacquer so it probably depends on how much sun exposure. I do remember seeing a few on the road with faded paint in the late 80's. A garage queen would probably fair better!  ;D
"One of the things that make motorcycling so great because it never fails to give you a feeling of freedom and adventure." - Steve McQueen

Offline Stev-o

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Re: After 12 years of silence a 1975 CB750 sings again!
« Reply #21 on: August 29, 2010, 05:35:18 PM »
I'd paint it, it will look so much better. And keep the Planet Blue!
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........