Norton 961 Specialist / Mechanic ?

cliffa said:
A quote from Stu in an earlier thread...

"Visually, the steel liner barrels have a machined area visible around the bottom of the barrel as you look at the engine (if that makes sense?). The later Niklasil plated barrels are just cast finished all over"
Click to expand...

Thanks, I missed his previous comment. I had steel liner barrels on my 2013, but they were replaced with Nikasil barrels in 2015 because the liners had dropped causing the head gasket to fail.
 
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