Author Topic: Hi, all. I just acquired a true barn/garage find.  (Read 1660 times)

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Offline Master_Moose

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Hi, all. I just acquired a true barn/garage find.
« on: July 15, 2017, 02:43:47 PM »
I randomly met an older lady a few weeks ago and we started talking about motorcycles. She said she and her husband used to ride, but he passed away and she didn't have any interest in riding alone. She asked if I was interested in buying both of their bikes for $250 each. She said they'd been sitting in the garage for the last 35 years, so I was expecting rusty old trash. To my pleasant surprise what I found was two dusty, but very well preserved bikes that were worth far more than their $250 price tags.

Her husband's bike is a '73 CL450 Scrambler that he had bought used in '75 when he and his wife decided to start riding. It happened to be the exact bike my buddy's dad had owned when he was a kid, and was the first bike my buddy had ever ridden on the street, so I thought he might appreciate it more and let him buy it. The fuel system on this bike was partially disassembled, which I'm guessing is why they parked the bikes back in '82, and there are a couple very small dents in the tank. We also opened up the air filter housing to discover a very old rodent's nest. It's pretty nasty, but overall in really great shape.

The bike the lady used to ride, and the one I'm keeping, is a Varnish Blue '75 CB400F Super Sport and looks like it was better cared for. She bought it new in '75 and it has 10,900 miles on it now. She had drained the fuel tank when she parked it so the inside is shiny bare metal, without a hint of rust. The air filter housing on this bike is apparently more difficult for rodents to find their way inside, because the filter is still shiny and looks like it was replaced yesterday. After cleaning off the dust I can't help but just stare at this bike in awe. Partly because of how few flaws it has, but partly because I own it, and partly because I can't believe it was only $250! I can't wait to show you all pictures!

Of course $250 seems cheap, but I've spent well over $500 replacing parts that I wouldn't trust after 35 years. Namely new tires, tubes, plugs, fuel lines, oil+filter, etc. Also, the clutch lever was broken, it was missing its mirrors, and she had installed an aftermarket handlebar that did not hold up to time very well at all (seriously it looks like it was sitting outside, while the rest of the bike stayed inside). So I got new levers, mirrors, and a stock handlebar.

I haven't tried to start it yet, but it appears there is some corrosion on electrical connectors somewhere. When I turn on they key I get some dash lights, and the taillight, but no headlight (starter button?). Also, the turn signals light up, but don't flash.

The biggest issue it seems to have is that the front brake fluid didn't get drained when it was parked. The whole reservoir was a crusty, crystallized mess, so I disassembled it and honed/rebuilt it. I then replaced all three hoses and their banjo fittings, and the outside half of the caliper (since I couldn't get the old piston out).

I'll try to get some pics up asap!  PICS ARE POSTED BELOW!
« Last Edit: July 23, 2017, 03:06:42 PM by Master_Moose »

Offline Stev-o

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #1 on: July 15, 2017, 03:41:18 PM »
Congrats, sounds like a great find. I would have kept both, the CL450 is highly collectable.

Post your electrical issues in the tech section, you'll get help there.



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Offline rocket johnny

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #2 on: July 15, 2017, 06:13:57 PM »
 :)  +1   for that price i would have kept both .  to much fun

Offline strynboen

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #3 on: July 16, 2017, 01:46:35 PM »
did you hone the marster??
does it still funktion??those are polished aluminium..not cast iron..so no vay to hone/bore them..just a soft polish can be done to the inner bore.

..but velcome and you vill get a lot of good info..and  safe a lot of Money..and get a lot of the old stuff vorking..caliber pistons can be pressed aut..use a grease gun..to pump..they are often rusty and pittet..så a nev piston and a rubber set is needet to reuse it
i kan not speak english/but trying!!
http://forums.sohc4.net/index.php?topic=60973.0
http://forums.sohc4.net/index.php?topic=144758.0
i hate all this v-w.... vords

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #4 on: July 16, 2017, 01:57:51 PM »
Thanks everyone. Yeah, I had originally planned to keep both, but my buddy's story convinced me that he should have that bike. Plus, not only does he help me with my bikes quite a lot, but he had the trailer that we needed to use to get the bikes home.

To clean out the bore on the master I used a tool that looks like a blackberry on a stick that you attach to a drill. The little balls on it are slightly abrasive, so it clears out the corrosion on the inside of the bore. Hopefully I didn't damage it. I'll know for sure when I get it all back together, but I'm waiting for a couple more little parts to arrive before I reassemble it all.

Offline strynboen

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #5 on: July 17, 2017, 04:32:15 AM »
yes it are a ball flex honer...only for cast iron bores.
« Last Edit: July 18, 2017, 06:08:34 AM by strynboen »
i kan not speak english/but trying!!
http://forums.sohc4.net/index.php?topic=60973.0
http://forums.sohc4.net/index.php?topic=144758.0
i hate all this v-w.... vords

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #6 on: July 17, 2017, 08:43:23 PM »
lol, well damn, I probably ruined it then. I'll find out soon enough.

Offline strynboen

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #7 on: July 18, 2017, 06:09:13 AM »
if it vorks after that..you have learled us somthing ;) ;) ;) ;)
i kan not speak english/but trying!!
http://forums.sohc4.net/index.php?topic=60973.0
http://forums.sohc4.net/index.php?topic=144758.0
i hate all this v-w.... vords

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #8 on: July 21, 2017, 01:05:48 PM »
So I just filled the reservoir, but the fluid isn't going anywhere. There is a bubble in one of the holes that moves back and forth when I press/release the lever, but that's about it. I removed the line and no fluid is coming out, so I'm guessing one or both of those holes is clogged, despite how well I tried to clean them.
« Last Edit: July 21, 2017, 01:12:49 PM by Master_Moose »

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #9 on: July 21, 2017, 01:57:38 PM »
Yeah, I ruined it. Fluid finally started coming out, but it's leaking out of the lever side, rather than squirting out of the line side.

Offline 754

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #10 on: July 21, 2017, 10:12:46 PM »
Welcome aboard, the master may have been buggered anyway, don't sweat it.
What part of the world are you in ?

Looks like there are a few grades of ball hones for different material, but I did not click on order so did not see choices.
« Last Edit: July 22, 2017, 09:32:50 PM by 754 »
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Lost quite a few CB 750's along the way

Online scottly

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #11 on: July 21, 2017, 10:21:47 PM »
So I just filled the reservoir, but the fluid isn't going anywhere. There is a bubble in one of the holes that moves back and forth when I press/release the lever,
Is the bubble in the hole closest to the banjo bolt? A completely dry system can be blocked by an air bubble in that hole, forming a sort of air lock. Try injecting brake fluid through the bleeder in the caliper with a syringe. 
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Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #12 on: July 22, 2017, 02:26:57 PM »
Welcome aboard, the master may have been budgeted anyway, don't sweat.
What part of the world are you in ?

Looks like there are a few grades of ball hones for different material, but I did not click on order so did not see choices.

Yeah, I just got a replacement from 4into1.com for $45. I'm just a little bummed because I was hoping to keep the bike as stock as possible.

I'm in Bellingham, WA, about 80 miles north of Seattle.

Is the bubble in the hole closest to the banjo bolt? A completely dry system can be blocked by an air bubble in that hole, forming a sort of air lock. Try injecting brake fluid through the bleeder in the caliper with a syringe.

I think it was the one further away, but once it started leaking fluid out of the seal around the lever (which was replaced when I rebuilt it) I gave up and just bought a replacement.

Offline 754

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #13 on: July 22, 2017, 09:35:12 PM »
I got cores but they are faded. Hard to find black ones but they pop up now and then.
Hey we are only about 4.5 hrs apart... Swapmeet a show coming up in Chilliwack in August.
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #14 on: July 23, 2017, 03:03:27 PM »
I got cores but they are faded. Hard to find black ones but they pop up now and then.
Hey we are only about 4.5 hrs apart... Swapmeet a show coming up in Chilliwack in August.

Mine was extremely faded as well. I don't care if it looks perfect as long as it's OE.

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #15 on: July 23, 2017, 03:05:39 PM »
Oh, hey, I can post pics now!

The first pic is how it looked when I found it. The last pic is after I washed the dust off and started polishing the chrome. That air filter is the one that's been in it for 35 years and it looks brand new!
« Last Edit: July 23, 2017, 03:08:13 PM by Master_Moose »

Offline Master_Moose

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Re: Hi, all. I just acquired a true barn/garage find.
« Reply #16 on: July 23, 2017, 03:11:48 PM »
Here are a few more that I just took today. It has new tires and all new front brake components (except for the reservoir, which hasn't arrived yet, and the rotor). The brake line isn't hooked up yet for obvious reasons, and I haven't connected the clutch cable yet, because I still need to pull the handlebars back off for when the new throttle switch assemble arrives.
Currently the tank is removed, because I still have to remove and rebuild the carbs.
« Last Edit: July 23, 2017, 04:22:58 PM by Master_Moose »