Skyguyz starts the rebuild........

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Gotta be one of the prettiest engine ever fielded. thanx for the flash!
 
Nice engine, real nice.
Now don't go doing something stupid like putting oil in it.
A drop might get out mess it all up. :D
 
It's in!

*Just the engine mount & isolastic is done. The vital organs are next!

Skyguyz starts the rebuild........
 
I can't wait to hear it run.

What washers did you put under the manifold Allen bolts? I have in my notes that there may be washers there, but I didn't use any, but perhaps split spring washers? I suppose those modern whatchamacallit washers would work too.

Very nice.

Dave
69S
 
Overhead oil lines done. inner primary cover on, both headers and peashooters done. (Commando specialties, nice pipes.)

Skyguyz starts the rebuild........


Skyguyz starts the rebuild........


Skyguyz starts the rebuild........


Skyguyz starts the rebuild........


Skyguyz starts the rebuild........
 
Skyguyz said:
Tintin said:
Skyguyz said:
No worries. The structure is not compromised. The holes are in non stress areas.

Sorry, but I strongly doubt that - especially on the relatively flimsy Commando frame. If I interpret the pics correctly e.g. the drilling close to the ign coil IMHO compromises the downtube strength quite significantly, the other ones as well especially as they hit areas already prestressed by welding.


Tim

Whatever dude.

I don't think front down tubes are that stressed. Load should go through the backbone, not those little down tubes. They are just there to hang the engine.
 
I don't think front down tubes are that stressed. Load should go through the backbone, not those little down tubes. They are just there to hang the engine.

CNW has been doing this mod for years with no adverse effect. Just saying'

Skyguyz starts the rebuild........
 
Update

Well, not much progress on my Norton. Been real busy buying a house and working a lot. I did manage to fabricate a custom throttle cable, attach the chain and start on the belt drive.

I just need more time. The wiring is ready but the connections are next, (Marine grade stuff, negative ground.)

Cheers,

Sky



Skyguyz starts the rebuild........

*(tank on for for cable placement only.)

Skyguyz starts the rebuild........


Skyguyz starts the rebuild........


Skyguyz starts the rebuild........

*(520 X ring chain.)

Skyguyz starts the rebuild........
 
Re: Update

Skyguyz said:
Well, not much progress on my Norton. Been real busy buying a house and working a lot. I did manage to fabricate a custom throttle cable, attach the chain and start on the belt drive.

...

Skyguyz starts the rebuild........

...


Going 60+ in the garage, that must have been an interesting ride. :)
 
That is a stunning looking build. I have two questions prompted by this thread, but neither directly about the bike.

First, I notice that this bike has the speedo on the left, and tach on the right. Is that standard positioning for these instruments for all Commandos, or were they mounted differently for left hand drive and right hand drive markets? Mine has the speedo on the right - and we drive left hand drive here, but that is where I mounted it after the rebuild; I can't remember whether I checked it or just put it there because it seemed logical to have it on that side.

Second, Skyguys and LAB exchanged notes about the original studs used to fix the carb manifold to the cylinder head. What is the engineering reason why the designers would have used studs in preference to bolts or screws? Are studs inherently stronger?
 
That front end and those triple trees look great. That's going to be one great looking bike. Keep the pictures coming!
 
Chris T

First, I notice that this bike has the speedo on the left, and tach on the right. Is that standard positioning for these instruments for all Commandos, or were they mounted differently for left hand drive and right hand drive markets? Mine has the speedo on the right - and we drive left hand drive here, but that is where I mounted it after the rebuild; I can't remember whether I checked it or just put it there because it seemed logical to have it on that side.

Second, Skyguys and LAB exchanged notes about the original studs used to fix the carb manifold to the cylinder head. What is the engineering reason why the designers would have used studs in preference to bolts or screws? Are studs inherently stronger?

The speedo is on the left simply because I like it there. It doesn't matter which side because they are both electric gauges, so it's a matter of preference.
(*Also, I have not calibrated the speedo yet. It requires a 2 mile run in both directions and some fiddling with settings, so the 60 MPH you see now is moot.)


As far as the studs,bolts question, well, that was my misunderstanding of the parts required. Simple fix though.
 
Update:

Yes, it's still not done. I had to take a break from the Norton to complete a house move. Almost done with the move and I'll tackle the Norton soon.

It is also hard to work on anything in your garage with the temps being over 100 degrees constantly here in Vegas.
I did get the try-spark installed and need to put the battery in to finish the job.

Moving sucks and the weather will be "riding season" soon.


Best,
Sky










Skyguyz starts the rebuild........
 
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