• I d like to think that the previous owner of my CB550K3 spent hours of research...

    I'd like to think that the previous owner of my CB550K3 spent hours of research and testing to identify exactly which NGK plug worked best on each cylinder and that he wasn't a complete dickhead who threw in any plugs that he might have had lying around in his workshop.

    1 comments
    • I am beginning to see some reason to his thinking about heat range of inner & outer plugs....