Author Topic: Dorothy III - CB750 (Read 106048 times)

Stev-o · « **Reply #275 on:** August 30, 2015, 12:48:47 PM »

Quote from: edwardmorris on August 30, 2015, 12:33:26 PM

Quote from: 70CB750 on August 29, 2015, 04:23:42 AM
................I dont think I am anal enough to "edwardmorris" her

LOL that's a thing now?

Yes...symptoms are searching and buying every NOS CB750 part and emptying your bank account on said parts!

70CB750 · « **Reply #276 on:** September 08, 2015, 03:36:30 AM »

Forgot all about this, carburetor stay was likely the first thing I made for Dorothy. I broke the original getting carbs off, made new one from 6061.

70CB750 · « **Reply #277 on:** September 08, 2015, 03:37:24 AM »

I will have her boxed and engine on the bench in next week or two.

70CB750 · « **Reply #278 on:** September 08, 2015, 03:39:46 AM »

One special picture for Stev-o

Still gotta make good on the promise I will shoot the seat up.

MoMo · « **Reply #279 on:** September 08, 2015, 07:36:35 AM »

Quote from: 70CB750 on September 08, 2015, 03:36:30 AM

Forgot all about this, carburetor stay was likely the first thing I made for Dorothy. I broke the original getting carbs off, made new one from 6061.

You should made those and resell Prokop...Larry

70CB750 · « **Reply #280 on:** September 08, 2015, 07:39:16 AM »

Quote from: MoMo on September 08, 2015, 07:36:35 AM

Quote from: 70CB750 on September 08, 2015, 03:36:30 AM
Forgot all about this, carburetor stay was likely the first thing I made for Dorothy. I broke the original getting carbs off, made new one from 6061.

You should made those and resell Prokop...Larry

I am a prototype guy

But if you need something, let me know.

MoMo · « **Reply #281 on:** September 08, 2015, 07:43:26 AM »

Quote from: 70CB750 on September 08, 2015, 07:39:16 AM

Quote from: MoMo on September 08, 2015, 07:36:35 AM
Quote from: 70CB750 on September 08, 2015, 03:36:30 AM
Forgot all about this, carburetor stay was likely the first thing I made for Dorothy. I broke the original getting carbs off, made new one from 6061.

You should made those and resell Prokop...Larry

I am a prototype guy

But if you need something, let me know.

Needed one a couple years ago but I was fortunate to find an Amish welder who repaired my broken in two one for the tidy sum of $5. That was all he asked for, I gave him 10...Larry

Stev-o · « **Reply #282 on:** September 08, 2015, 12:30:52 PM »

Quote from: 70CB750 on September 08, 2015, 03:39:46 AM

One special picture for Stev-o

Still gotta make good on the promise I will shoot the seat up.

I'm holding you to that!

70CB750 · « **Reply #283 on:** September 09, 2015, 03:51:38 AM »

Tsubaki Omega 63" versus 63.5" - less than one percent strech - at least another 20 000 miles left in it.

70CB750 · « **Reply #284 on:** September 10, 2015, 07:20:54 AM »

Just a little note to myself:

MCRider · « **Reply #285 on:** September 10, 2015, 07:32:29 AM »

Got a link for that?

OH I just saw the .com logo.

70CB750 · « **Reply #286 on:** September 13, 2015, 07:06:24 AM »

Under the knife.

Stev-o · « **Reply #287 on:** September 13, 2015, 07:23:01 AM »

What's the plan for the frame?

seanbarney41 · « **Reply #288 on:** September 13, 2015, 07:28:23 AM »

Prokop, how many miles did you end up putting on that thing? Awsome to see a bike that used up...even more awsome that you are gonna rebuild it!

70CB750 · « **Reply #289 on:** September 13, 2015, 07:46:08 AM »

The afternarket odometer was 8000 when I got it. Put 25000 miles on her. Parts are pretty shabby - except chain, tires, coils - stuff that made her run. She must be at least 50 000 or more.

Plans? Not sure, the frame has to be stripped and checked for weak spots. I know i am not restoring her to original, the exhaust is the most prohibitive reason.

70CB750 · « **Reply #290 on:** September 14, 2015, 03:34:40 AM »

Got the engine on the bench, pulled the cover to see the goodies.

Also checked the compression:

1: 110,110,110
2: 105,100,100
3:107,110,109
4:108,109,110

The Autozone gauge had rubber hose on it.

4 years ago it was 120,120,130,120 with different compression gauge.

But still, good numbers.

70CB750 · « **Reply #291 on:** September 14, 2015, 03:38:49 AM »

There is nothing visibly wrong with the valve train, but the cover had me puzzled. Looks like the aftermarket tappet hole caps need to be removed to get the cover off.

Hole caps also scraped some of the beautiful blue frame paint, as you can see. I am devastated

Stev-o · « **Reply #292 on:** September 14, 2015, 06:35:36 AM »

Quote from: 70CB750 on September 14, 2015, 03:38:49 AM

Hole caps also scraped some of the beautiful blue frame paint, as you can see. I am devastated

That is sad news. No choice but to repaint.

70CB750 · « **Reply #293 on:** September 21, 2015, 04:34:20 AM »

She is all squirreled away, parts wrapped in greasy rags or stretchtite. Only the engine for now, will work on it through the winter, but I think I need a rottiserie stand first.

MoMo · « **Reply #294 on:** September 21, 2015, 05:43:06 AM »

Quote from: 70CB750 on September 14, 2015, 03:38:49 AM

There is nothing visibly wrong with the valve train, but the cover had me puzzled. Looks like the aftermarket tappet hole caps need to be removed to get the cover off.

Hole caps also scraped some of the beautiful blue frame paint, as you can see. I am devastated

I certainly would be. You must be heart broken, maybe time for a couple Pilsner Urquells?...Larry

70CB750 · « **Reply #295 on:** September 22, 2015, 04:04:38 AM »

Scored engine stand on local CL for $20, now I need to make a CB750 adapter for it.

SOHC4 Cafe Racer Fan · « **Reply #296 on:** September 22, 2015, 07:29:29 AM »

It's a rare occasion for me to stop at a garage sale but that's how I got mine for $15!

70CB750 · « **Reply #297 on:** September 25, 2015, 03:42:13 AM »

Changed the stand to rotisserie, need access to the top and bottom of the engine.

70CB750 · « **Reply #298 on:** September 25, 2015, 04:19:27 AM »

I will see how it goes, will be changing the bottom tube - the "I" of the "T" - for a longer one today to have more space getting the engine on.

But when the time comes for the 258 inline six to hang on it, I will definitelly brace it some more.

MoMo · « **Reply #299 on:** September 25, 2015, 04:54:26 AM »

nice work as always...Larry

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Author Topic: Dorothy III - CB750 (Read 106048 times)