Norton Head Gasket

Posted: March 15, 2013 in British Bikes, motorcycles, Norton Commando, vintage bikes, Vintage British Bikes




So I figured I’d finally throw a head gasket on my 850 Commando as it was making a mess by leaking oil and making a general mess.

I made the mistake of saying well, I’ve gone this far I might as well check the bores.

There was a little over .008 clearance so I bit the bullet and bored it out .020 over and slapped some new pistons in. The  valve stems had some pitting in the ends so they went in the trash too. Naturally the springs measured a little low too so “the while I’m at it” disease was in full bloom.

Anyway it’ll be in great nick when the good weather rolls around,  so I’ve got something to look forward to.



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