Zen And The Art Of Norton Maintenance round-the-world - 850 barrels needed (North America preferred) -

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"Zen And The Art Of Norton Maintenance round-the-world.. (ZATAONM RTW)

"Hi all, the latest update and development in my ZATAONM RTW adventure...

I'm in a bit of a motorcycle pickle and need to find some replacement 850 barrels, preferably in North America somewhere, and also preferably under 78mm bore size.

Since I rebuilding my new motor I've been running around the Santa Cruz area slowly putting some miles on the new engine.

It's been running great, other than a persistent oil leak from the drive side lower cylinder head tower nut. I removed the head yesterday to attend to that, and was preparing to reassemble when I noticed what I first thought was a hair or something similar lying vertically on the cylinder wall. But I couldn't wipe that hair away. It looks like a vertical crack right behind the leaking cyl head stud. It's easily felt with a fingernail

Does anybody (North America preferred) have a good set of 850 cylinder barrels?

If anyone knows has a set they'd part with, or knows somebody with a set they'd part with, I'd be grateful if you'd message me.

Edit:
I used to own a motorcycle engineering business in NZ, Thunderbike Engineering Ltd. My father (also John) was a clever and experienced precision engineer, and we used to sleeve 850 barrels for customers and my Norton race bikes (920cc). I know these *could* be sleeved, but I'd prefer a good set of unsleeved barrels as first choice. I know from experience that sleeves often come with their own problems (movement, uneven heat distribution, head gasket issues).

As this bike will be taking me into deepest darkest Africa, Mongolia and the 'stans, I'd prefer to have a good ole reliable set of original cast iron barrels underneath me.."
 

lazyeye6

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Rabers sold their inventory about a year ago and stopped selling parts. Apparently they still operate a repair shop.
 

gortnipper

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I would still call them, as they are right down the road from @johnfitzw. He might have one about or have a line on one locally. And certainly could assist with a hone.
 

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