1973 CB175 Project - First Build "Anna"

Thanks! The bars are a bit long but once I get my control setup figured out I'll probably shave them down and inch or so off each end.
 
I suspect that will be several inches that will be trimmed off each end. Those are some wiiiiiide bars. :)
 
things look real nice there, buddy. I know its beating a dead horse but those bars do seem like you might have gone to Texas for college. I read that you will be chopping some off. Seems like a wise choice. Powder looks great!
 
sxecafe said:
..I know its beating a dead horse but those bars do seem like you might have gone to Texas for college.
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Hilarious! My best buddy went to Texas for his Masters degree. I got my undergrad at Ohio State, the problem is putting huge nuts on the bike might be a little to risque'.
 
Hahaha... I say go for it man. Hang 'em from the bottom of the engine so they drag on the ground. The message would be clear. ;)
 
That sounds like a pretty good estimate of how much I'll be trimming off Adrian. Thanks! Sxe, I would have to go with Brass Guardian Balls so they spark along the asphalt as I go...
 
Theboxrules just read your build for the first time. Noticed you mentioned Western Hills Honda. I live about 10 minutes from there, here on the West side of town. Just picked up a 79 Yamaha SR500 two weeks ago which i will attempt my first build with. Would be nice to have someone close for advice or to answer questions. Anyway nice build so far and ill keep watching your thread.
 
Petri, cool! Be sure to join up on the Cincinnati Cafe Racers on FB too! I live north of Sharonville BTW.
 
this thread is great, I've just started rebuilding my 1970 cb175. could you sum up your process and tools used for getting that aluminum so shiny? did you encounter any anodizing or rust? i see you have an oscillating tool and a buffing wheel, anything else? thanks for posting this, its a great help.
 
I finally got the forks back together and the wheels reinstalled. I gave up on polishing the front fork tubes and went with a VHT epoxy satin. It's holding up well for now but maybe someday in the future I'll full on powdercoat the lowers. The rear shocks are the originals which will be replaced with Hagons. I just have them on here to hold the bike up for now. Needless to say each step is encouraging me even more to get this project finished. Maybe I'll do the seat next! I'll give a shout out to my friend Wayne Anselmo for helping out while he is visiting.

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danielmeigs said:
this thread is great, I've just started rebuilding my 1970 cb175. could you sum up your process and tools used for getting that aluminum so shiny? did you encounter any anodizing or rust? i see you have an oscillating tool and a buffing wheel, anything else? thanks for posting this, its a great help.
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I have a bench grinder with two polishing wheels and I bought an aluminum polishing kit from Harbor Freight and chucked my variable speed drill in the vise as an alternative. Frankly I gave up on polishing because I didn't have the patience to do it right. I'll keep practicing though!
 
theboxrules said:
The new bushings are in! See the original on the right and the replacement bronze bushing on the left.

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Do you remember the measurements for these bushings, or do you have an exact part number so I can ensure I get the same ones you did?
 
SeekingZero said:
Do you remember the measurements for these bushings, or do you have an exact part number so I can ensure I get the same ones you did?
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i second the motion for measurements please
 
SeekingZero said:
Do you remember the measurements for these bushings, or do you have an exact part number so I can ensure I get the same ones you did?
Click to expand...

Sorry I haven't been on in so long, I just now read this. P/N 6659K44, Metric SAE 841 Bronze Flanged Sleeve Bearing, for 20 mm Shaft Diameter, 26 mm OD, 20 mm Length from McMaster-Carr website. I hope this helps!
 
It's been another long gap between time to work on the bike and raising three kids under the age of 5! But, for the times I do get away and into the shop I do a little bit of work on the bike.

The stator wires were damaged and needed reinsulated:
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I also decided to take the valves out, clean the head properly and clean/lap the valves as well. This job is much easier to do with my handy dandy valve spring compressor my wife bought me last Christmas:
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Here's the valve cleaning with use of the drill press as a lathe if you will..
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A Scotchbrite pad works well with varying grades of sandpaper...
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I have three of the valves done and one more to go before I can start the lapping process.
 
Ok friends! This project still lives on albeit very slowly as three young boys and other motorcycles are taking up much of my time. However, in the last 18 months I have drilled out the sprocket cover, bored the cylinders .25 over and replaced the pistons and rings (damaged the cylinders on my first attempt to reinstall pistons, a rather expensive mistake), painted the jugs, head, crank case and lapped the valve seats. Now that the engine is coming together nicely, it gives me more momentum!









New pistons and rings:


Lapping valves:




After:






Motor with jugs and head:


 
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