Vtec44
05-23-2008, 12:12 AM
These are the NJK part #'s
1991 - 2000 CBR 600 F2/F3/F4: CR9EH-9(standard), CR9EHIX-9 (iridium)
2001 - 2005 CBR 600 F4i IMR9C-9H (iridium)
2003 - 2005 CBR 600 RR IMR9C-9HES (iridium)
Decoding the part # http://www.ngksparkplugs.com/techinfo/spark_plugs/partnumberkey.pdf
Checking your spark plugs by looking at it http://www.ngksparkplugs.com/techinfo/spark_plugs/faq/faqread2.asp?nav=31200&country=US
1991 - 2000 CBR 600 F2/F3/F4: CR9EH-9(standard), CR9EHIX-9 (iridium)
2001 - 2005 CBR 600 F4i IMR9C-9H (iridium)
2003 - 2005 CBR 600 RR IMR9C-9HES (iridium)
Decoding the part # http://www.ngksparkplugs.com/techinfo/spark_plugs/partnumberkey.pdf
Checking your spark plugs by looking at it http://www.ngksparkplugs.com/techinfo/spark_plugs/faq/faqread2.asp?nav=31200&country=US