Author Topic: 1972 "CB525" Backyard Rescue (Read 25859 times)

fastbroshi · « **Reply #25 on:** December 03, 2015, 08:05:00 AM »

What's the issue? Not obvious to me, other than it looks like non-stock discs.

wowbagger · « **Reply #26 on:** December 03, 2015, 08:29:35 AM »

Those are OEM cb500 disks (as far as I know). They switched to the "squared" friction disks in the 550s, I think. These angled ones are what came in the 500s originally.

The issue is that the disks and steel plates are seized together. I shouldn't be able to hold up the entire set just by one disk. It's a bit hard to tell in the photo but I'm only holding on by that one tab at the top.

wowbagger · « **Reply #27 on:** December 03, 2015, 06:02:38 PM »

New brass swing arm bushings arrived. I placed them on ice to ease the install.

wowbagger · « **Reply #28 on:** December 06, 2015, 09:52:10 AM »

Made a fair bit of progress this weekend. Got the swing arm bushing pressed in, got the case cracked and finished painting the frame. Sadly, I don't have an oven big enough to powder coat the frame. So, rattle can will have to do.

My gas guy was kind enough to forget a piece of 1" black iron pipe the last time he was here. It's perfect for hanging a motorcycle frame.

Jeffro93 · « **Reply #29 on:** December 06, 2015, 11:35:08 AM »

What did you need to crack the engine open for?

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wowbagger · « **Reply #30 on:** December 06, 2015, 11:41:47 AM »

Once all the bolts were out, I used the rubber flooring mallet in that first photo. I flipped the engine upside down and lifted the back off the ground a bit. I then tapped the flat spot on the upper case with the mallet a few time. I repeated this for the front using the engine mount castings to tap on. There's also one small spot to hit one the side just behind the rotor.

It took a few circuits of working my way around the case but it eventually opened. I then held onto the crank and lifted the crank and lower case off of the upper case. The transmission all stayed nicely in place in the upper half.

Zaipai · « **Reply #31 on:** December 06, 2015, 11:56:38 AM »

Quote from: wowbagger on November 09, 2015, 08:27:15 AM

Since I've mentioned it a couple of time, here's a shot of my last(first) build. It's a 1971 CB500 that I got in trade for an iPad. I never got myself organized enough to do a build thread on it while I was working on it. I'm trying to be better about that with this build. We'll see how it goes.

Hi,
Love this bike. Question what stabilizer did you use for this bike and any chance you can post a picture of it so I can see how its mounted? I really need one for my 550 but was unsure which one would fit it.

.: Scott :.

wowbagger · « **Reply #32 on:** December 06, 2015, 12:30:11 PM »

Thanks, I kind of like it as well.

The front fork brace is made by Tarozzi. I got it from www.fastfromthepast.com.

It slides overtop of the lower forks and has side pinch bolts to hold it on. Your gaiters or dust boots then slide overtop of the brace. It's a great setup and a noticeable increase in handling performance.

Zaipai · « **Reply #33 on:** December 06, 2015, 12:42:45 PM »

Quote from: wowbagger on December 06, 2015, 12:30:11 PM

Thanks, I kind of like it as well.

The front fork brace is made by Tarozzi. I got it from www.fastfromthepast.com.

It slides overtop of the lower forks and has side pinch bolts to hold it on. Your gaiters or dust boots then slide overtop of the brace. It's a great setup and a noticeable increase in handling performance.

Groovy I will check it out.

.: Scott :.

wowbagger · « **Reply #34 on:** December 13, 2015, 07:00:53 PM »

Laced up the rear wheel last night. It took a couple of attempts to get the spokes in the right holes but it wasn't too bad. I'll true it another night, though.

Zaipai · « **Reply #35 on:** December 13, 2015, 08:03:04 PM »

Nice you did a much better job than I was able to. My hat off to you sir, its not an easy thing to do.

.: Scott :.

SOHC4 Cafe Racer Fan · « **Reply #36 on:** December 13, 2015, 11:14:03 PM »

Nice color combo, too, with those black spokes.

wowbagger · « **Reply #37 on:** December 14, 2015, 04:18:15 AM »

Quote from: Zaipai on December 13, 2015, 08:03:04 PM

Nice you did a much better job than I was able to. My hat off to you sir, its not an easy thing to do.

.: Scott :.

I can't take too much credit. If it wasn't for the FAQ post on wheel lacing, this would have taken me much longer.

wowbagger · « **Reply #38 on:** December 14, 2015, 04:23:00 AM »

Quote from: CB750 Cafe Racer Fan on December 13, 2015, 11:14:03 PM

Nice color combo, too, with those black spokes.

Thanks, I'm hoping for a bit of a non-traditional resto/mod with this one. I still need to powder the front spokes but once I true these I should be able to make it a roller again. It'll be nice to see if the if the picture of the bike in my head is going to work or not in real life.

Jeffro93 · « **Reply #39 on:** December 14, 2015, 08:52:54 AM »

It's funny to see someone put that together - I took mine apart yesterday. I'm planning to lace and true mine as well. I'm interested to see your results.

I really like the black spokes.

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wowbagger · « **Reply #40 on:** December 17, 2015, 06:00:50 PM »

Well, a good and mushroomed the swing arm pivot shaft when I applied the BFH to it during removal. It looks pretty solid. Is there enough meat on it for me to turn it back down on a lathe or do I need to replace it?

In the name of progress, I did get the left hand control finished. Sadly, during reassembly the turn switch ball bearing flew off to some yet-to-be-discovered corner of my shop. So, the turn switch is loose and sloppy for now. I will have to dig around some more to see if I can find it. Otherwise, I'll replace it. There is little that's more disappointing than when the turn switch doesn't have that nice Honda springy, click to it.

seanbarney41 · « **Reply #41 on:** December 17, 2015, 06:10:07 PM »

I got lots of spare lh switch parts...pm your address and bug me enough to remember and I will throw that ball in an envelope for ya

...now if you had efffed up something in the rh, you'd be sol

wowbagger · « **Reply #42 on:** December 17, 2015, 06:23:01 PM »

The guys that make up this forum are awesome. PM sent.

Bootsey · « **Reply #43 on:** December 17, 2015, 06:32:53 PM »

Nice work so far, looking good.
In regards to the swing arm collar/pivot shaft, I'd imagine the final clearances between your collar and bushes will be the determining factor on whether it is reusable, after machining back to shape. Some info on clearances from Hondaman here.

http://forums.sohc4.net/index.php/topic,144510.msg1751603.html#msg1751603

wowbagger · « **Reply #44 on:** December 21, 2015, 06:55:56 PM »

Quote from: Bootsey on December 17, 2015, 06:32:53 PM

Nice work so far, looking good.
In regards to the swing arm collar/pivot shaft, I'd imagine the final clearances between your collar and bushes will be the determining factor on whether it is reusable, after machining back to shape. Some info on clearances from Hondaman here.

http://forums.sohc4.net/index.php/topic,144510.msg1751603.html#msg1751603

Thanks for that link. Luckily for me, the new bushing are actually a bit on the small side for the ID. I should be able to machine down the pivot shaft and still stay within tolerances.

As far as progress goes, I finished powdering all of the bits for the front wheel. With some beer and Netflix, I should have it laced up tonight.

wowbagger · « **Reply #45 on:** January 04, 2016, 11:55:51 AM »

Sean, the ball bearings and springs just showed up today. Thanks again. This is the exact reason I love this forum so much. My left hand control now has it's click back. Now on to bigger and brighter things.

wowbagger · « **Reply #46 on:** January 04, 2016, 12:16:02 PM »

I made a bit of progress over the holidays. The steering stem is back in and properly torqued with new roller bearings. I pressed in new, sealed wheel bearings in the front and back hubs and got the front wheel laced up.

I got a new toy for Christmas. It is just a Harbor Freight setup but it gets the job done. It's so much nicer having one of these at home. Trueing wheels is far less stressful while watching a moving with a cold beer.

However, I need to go back to Harbor Freight and complain. I opened the box and found only a standard dial indicator rather than the advertised "DAIL" indicator. I only hope this run-of-the-mill dial indicator is as accurate as a true DAIL indicator.

I'll get these as close to true as I can with this rig and then double check them with the dial indicator at the shop to be sure this "DAIL" indicator can be trusted.

przjohn · « **Reply #47 on:** January 04, 2016, 02:13:21 PM »

Nice job on that wheel, the spokes and hub colors look great. You do realize that you will find that ball bearing for the switch very soon now. You'll probably snort up a beer watchin g something funny on the tube and see it clearly on the floor.

One question, who was riding in this seat? Jabba could command the Smuggler's Empire from that throne.

wowbagger · « **Reply #48 on:** January 04, 2016, 03:38:05 PM »

I never met the guy that road the bike before I owned it but, judging by the ride height and size of the seat, I assume it was Andre the Giant.

wowbagger · « **Reply #49 on:** January 08, 2016, 08:34:54 AM »

Well, some moron (me) didn't screw the nipples on the rear spokes far enough before powder coating them and now the threads are full of powder. I was planning on just chasing the threads with a tap but, as luck would have it, Honda spoke threads are neither metric or SAE. According to crazypj, they are 1/8" x 40 Whitworth. http://forums.sohc4.net/index.php/topic,47032.msg493576.html#msg493576

So, now I have the fun job of stripping it all of and starting over.

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Author Topic: 1972 "CB525" Backyard Rescue (Read 25859 times)