Interesting, do they come with different crown heights from the factory? Isuppose you cant let a little thing like a supplier slown down the production line haha.
I am about to embark on the jetting crusade on my 300. I just got mine back after my teething problems too.
Did i read earlier that you had fitted a NGK BR8ES plug?
While my dealer was changing a dodgy set of head O rings they installed the same plug. I just noticed it while i was rerouting some cables and hoses.
Last edited by Fieds83; 07-07-2018 at 03:36 AM.
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