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Author Topic: Honda "l'arancio dolce" CB 750 Resto-Mod Project  (Read 6971 times)

Offline TranceMachineVienna

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #60 on: Aug 06, 2019, 05:53:53 »
Hey guys!
Long time no hear.

I was able to re adjust the cam chain...the bike now runs way smoother so the restoration continues!
We were able to take 75 per cent of the bike apart.
Took of the loom too so there is good progress.
The exhaust of cylinder number 2 is damaged and has a good amount of rust...
The exhausts overall all seem to be in rough shape...
When I shake the exhaust there seems to be seomthing inside (maybe its just soot or rust).Rechroming and restoring that exhaust...I dont know.

Are there any quality replacement options that match the quality of the stock exhaust?
« Last Edit: Aug 06, 2019, 05:55:51 by TranceMachineVienna »

Offline pidjones

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #61 on: Aug 06, 2019, 16:30:53 »
Re-chroming once upon a time was a good  thing if the steel was good - but that was 60's, early 70's. You will need to do some shopping, I'm afraid. You are making great progress, and I really like your workshop.
"Love 'em all.... Let God sort 'em out!"

Offline TranceMachineVienna

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #62 on: Aug 08, 2019, 03:03:25 »
Thank you!

Yes I need to check the condition more throughly though.
Looks like one of these was welded already badly by the police.The welded exhaust seems to have been bent by riding over a sidewalk or some kind.

All the other parts are in good order, bagged up and ready for cleaning, plating or restoration.

Some parts are so heavily crusted that I will need to soak them in diesel for a good amount of time.

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Offline irk miller

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #63 on: Aug 08, 2019, 08:28:42 »
Not sure how the chroming prices are for you in Austria, but here in the US it's gotten to be pretty expensive with the government regulations.  We'll spend more restoring a set of stock pipe than buying new aftermarket pipes.  There are hundreds of options for the SOHC 750s.  I would consider that route. 

Offline der_nanno

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #64 on: Aug 08, 2019, 08:53:56 »
I actually may have a contact North of the border in CZ (if he's still in business...)
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Offline TranceMachineVienna

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #65 on: Sep 06, 2019, 06:39:44 »
Hey guys... Finally again some time to continue on this project.
The stock exhaust looks generally good except for some repairs I will need to do.
The exhaust of cylinder 3 is worst. There is a lot of soot on the inside and I guess the muffler on the inside is terribly rusted.
I checked the backside of the muffler am I right that the muffler assembly is spot welded onto the chromed exhaust on the backside?
My plan was to remove the spot welds carefully then bend the metal and pull out the old then blast the inside of the exhaust then spot weld on the new muffler.
What's you're take on this one?

Chroming the exhaust without this is pretty senseless....

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Offline TranceMachineVienna

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Re: Honda "l'arancio dolce" CB 750 Resto-Mod Project
« Reply #66 on: Oct 21, 2019, 10:42:32 »
Long time no hear!

IŽve been busy with life and with a trip to US to Wray Schelins Coachbuilding class this october.Learned a lot about metalshaping.

The work on the exhausts continues.IŽve been busy carefully cleaning the rusted parts of the exhaust, welding up the rust holes with silicone bronze.
Now I hit a major road bump, it looks like the inserts that go inside the exhaust (which are rusted beyond repair)are not available anymore and actually never had a part number.

Do you guys have any hint for me where I should lookout for these or maybe use different ones that also fit?

Thanks!