Just on a side note (rant) if your dragging a 1990 cbr600f out of a hedge and you think a new set of plug will solve all your problems or they must be fake, can you go to your local part supplier and buy them.
NGK Spark Plug for YAMAHA XV 535 VIRAGO 1990-1995 Standard Japan
NGK Spark Plug for SUZUKI GLADIUS 650 SFV ABS 2010-2015 Iridium Japan
NGK Spark Plug D8EA Standard Japan
NGK Spark Plug for YAMAHA TRACER 900 GT ABS 2018-2020 Standard Japan
NGK Spark Plug for HONDA CX 500 1979-1981 Standard Japan
NGK Spark Plug for KAWASAKI NINJA 1000 SX TOURER ABS 2020 Iridium Japan
