Author Topic: CB500 coming back after a 33 year nap.  (Read 1986 times)

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Offline 3457fl

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CB500 coming back after a 33 year nap.
« on: March 26, 2015, 04:47:12 AM »
Posted a hello in the new member section but decided since it’s a project it should go here.

I have owned this 1971 CB500 since 1976 .Rode it for while in a slight custom stock form and in 1978 built it in a Amem softtail frame bought from the Honda dealer in Ashville NC. The only custom bike shop was a tiny little shop in Waynesville, NC about a 1hr around trip. Built it with nothing but hand tools, but there was a local Chrome shop that would do Aluminum. Drove it around in primer to make sure everything worked well; I was 21 at the time.

Moved to Atlanta in 1979 and feel asleep on it about 2 am and went off the side of a 2 lane road and did a bit of damage to so another rebuild. Changed it around a bit and painted a nice metallic brown.   

Spun a bearing in 1982 after I moved to Orlando and parked it in my tractor shed and life just went on by. Just last week stumbled across a low mileage 71 500 motor for $70 and pulled the poor guy out of the shed after a long (33 year) nap.

Could just buy another bike to ride but have a history with this guy and going to rebuild in yet another form. Going to keep the Amen frame, dropping the 8” forks and maybe doing a bobber style but not sure yet.

Have no idea how long this will take, last thing I need is another project. I have quite a few running right now.

But this one will be a fun project to do.

Have a replacement triple tree coming and a stock set of forks to mock it up and see how it sits.

Sorry for the poor pics..
« Last Edit: March 26, 2015, 07:11:04 AM by 3457fl »

Offline 70CB750

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Re: CB500 coming back after a 33 year nap.
« Reply #1 on: March 26, 2015, 05:26:45 AM »
Following  ;D
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I love it when parts come together.

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Offline SOHC4 Cafe Racer Fan

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Re: CB500 coming back after a 33 year nap.
« Reply #2 on: March 26, 2015, 06:40:42 AM »
Great pictures and story. Will definitely follow.
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 3457fl

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Re: CB500 coming back after a 33 year nap.
« Reply #3 on: March 26, 2015, 12:47:53 PM »
Had a couple extra hours today so started stripping it down some, gauges, lights, battery box , etc.. Everything came off without a struggle, like it has just been put together.
Think it was saying Hi, where the hell have you been?? I molded the frame back in 78 and it still looks great no blistering at all.
Did pick up a (cheap) stock 750 set of tubes and replaced the 8" over that have been on it since the start. Really like the way it sits low, feels nice.

Offline rb550four

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Re: CB500 coming back after a 33 year nap.
« Reply #4 on: March 26, 2015, 01:06:42 PM »
Time is not our friend when it comes to these machines.
Always loved the Amen frame, never lucky enough to find one.
I was thinking , because it is setting at a nice height for you now that you may want to put some weight in the cradle to see if it stays the way you like it.
A few Honda 500's, a few Honda 550's, a few Honda 650's, '72 cb 450, a couple 500/550/650 hybrids, and 2001 750. 
  550 Snowbike -Somebody had to do it.
  http://forums.sohc4.net/index.php/topic,101678.0.html             
http://forums.sohc4.net/index.php/topic,137317.msg1550907.html#msg1550907

Offline 3457fl

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Re: CB500 coming back after a 33 year nap.
« Reply #5 on: March 26, 2015, 01:50:27 PM »
Yea, was going to drop the new engine in it for a while to have it settle and see. I bought mine from the Honda dealer in Ashville which ordered in for a customer that backed out of the sale, was new in the wrapper.
« Last Edit: March 26, 2015, 02:06:39 PM by 3457fl »

Offline 3457fl

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Re: CB500 coming back after a 33 year nap.
« Reply #6 on: April 02, 2015, 05:09:49 AM »
Took time the other day to dig out all the other parts that were stored; they were packed in a vintage storage trunk. It tuned out to be the largest varmint nest I have ever seen. Everything is in very bad shape, good I found a complete motor. The only bright point was the carbs were still tripled wrapped in plastic bags and in good shape, still function great and should just need a rebuilding.

I should have checked on these every 10 years or so..  Did find the skull of one occupant while I was digging though. I did the seat pan and all the sewing on that seat back in 1980 when I was doing custom interiors with a buddy on mine. It’s a blast from the 70’s-80’s.

Set the motor, older tanks seat, etc.. on it to see how it sits with a stock front end, I like it. The new tank will be a high tunnel mustang style tank which will sit much lower on the frame and a single seat. Would like to get the new tank and seat on and all modifications done before I tear it down, thinking Silver paint with black motor and trim.   

Offline Stev-o

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Re: CB500 coming back after a 33 year nap.
« Reply #7 on: April 02, 2015, 05:42:31 AM »
Subscribed
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline SOHC4 Cafe Racer Fan

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Re: CB500 coming back after a 33 year nap.
« Reply #8 on: April 02, 2015, 07:48:28 AM »
That trunk looked like it might have smelled worse than it looked.
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