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Well just to add more confusion, as it was me who posted the service notes, mine's not like the service notes either but being as they are peashooters maybe it's ok?
I did try it as the service notes once but it seemed a bit more strained.
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The silencer fixing studs weren't in the way though as at some point they've been swapped for set screws.

But I'll do what I always do and wait for LAB to answer...lol.
 
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Unless I have something else “wrong” I would have to use some force to get cable into eye welded to swing arm if I ran cable through the z-plate and exhaust/rear peg mount plate .... I do have heavy cable mounted
 
If my photo , nope can wiggle with finger , if you look close you can see some minor chafe marks from when I had it wrong ....oooopps!
 
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alan hodge said:
lazyeye that routing pic look like the cable is under strain is it?
Click to expand...

Yes, a bit at the point it exits the back of the z plate. I had once tried routing it behind the muffler mounting plates but found that was
much worse as it rubbed against the swing arm. The routing shown has never caused any difficulty nor chaffing of the outer cable.
I certainly will stand corrected if a better route can be demonstrated.

The text which accompanied the diagram I posted from the
Tech Digest states, "The only correct route for the rear brake cable is between the inner muffler bracket and the outer passenger footage
bracket, above the alloy footage plate and below the passenger footpeg hanger spacer as shown in Figure 4-7. Reference Norton Service
Bulletin, June '75.
 
Definitely over the Z-plate.

My point regarding the Service Bulletin is that the information is incomplete and whoever wrote it probably never laid eyes on a peashooter (or earlier) Commando exhaust system!
For instance.....:
"MODELS: ALL NORTON COMMANDOS WITH REAR DRUM BRAKE"

....the information would certainly be wrong/not applicable for early Fastback, R type, S type and SS, therefore, NOT ALL Commandos with a rear drum brake.

"...see that the cable is routed between the inner muffler bracket and outer passenger footrest hanger bracket, above the alloy footpeg bracket and below the footpeg hanger spacer......"

Yes, OK so here it is and just like the drawing....only this is the black cap/bean can plate set (muffler plate not shown).

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Here are the peashooter plates where the cable must also pass between the inner muffler plate and outer muffler plate and between the AV mounts where it can potentially chafe on the muffler fasteners (where the two holes are in the diamond shaped plate, second photo below, yet there is no mention of this in the Service Bulletin:
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Whether the decision is made to pass the cable between the plates or behind the inner plate the owner can decide after weighing up the pros and cons.
 
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who would have thought that something so seemingly simple...…..but as I say when the going gets tricky in this 'hobby' "if it was easy, anyone could do it"
 
Well I like route I chose, as fishing it through the plates created too much at rest pressure for my liking , the cable ,a Barnett ,I think is a bit more robust than what it replaced , going to leave where it is .... thanks for all the options and time spent on this ....
 
Think about those poor engineers with their slide rule designing these things back then with no time, no money, & no updated tooling. That they are still running is nothing short of a miracle of the third magnitude. Overcoming such obstacles is what once built empires.
 
Yup , my empire covers almost .5 acre .... haha! , easy to defend
I guess on the brake cable route we all now know what is wrong .... just a bit murky on what is right, eh ....
 
Factory is right, but as usual what works for you is also right providing it doesn't present impending doom & disaster....Mine is rife with such....Therefore I don't risk pics.
I guess now isn't the time to bring up making an oil cooler rather than buying one right? Old habits die hard....
 
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Instead of cooler I cut grooves in oil tank side cover , think I have photo , prolly get some heat over decal , such is life on the inter web , eh
The tape you see is from battery tender joint , nothing permanent ....
 
I've got decorative ribbons of black tape hanging tastefully in key areas too. Maybe I'll trim them someday. Right now I've been scouring the area looking for an older window unit with a decent copper cored condenser that's not trash to cut a cooler out of. Made plenty of tranny & oil coolers out of those....No aluminum because that's looking for trouble in my humble opinion.
 
So, in summation, there is not a definitive factory correct routing apparently.
 
Is this still being chewed?

Like those slots Craig. That's innovative without major alteration so there is no criminal intent, but conspiracy...…..now that's another matter. Always wondered why they covered the tank obstructing any airflow. It looks good.
 
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