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factoryfat
12-08-2005, 09:50 PM
I recently purchased a 350X. I went to the honda shop and bought a new spark plug for it.
When I got home, the plug doesn't fit. The one I bought the bike with was a Champion, 5/8" nut size. The New one, the one the book calls for, is a NGK DR8ES-L has a larger nut size(18mm) and it doesn't fit between the cooling fins to go in all the way. Has anyone ran into this? It's the same plug size that I had in mu 200X and it fit that machine.
Did NGK change nut size? Or could the head have been changed or re-tapped???

Any help is appreciated.
James