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Rangerscott · 07-24-2011, 07:11 PM

Did you not see my throttle body swap in this section?

So here are the iridium spark plugs the 5th and 6th gen use.

5th gen - CR9EHIX-9 (not standard)

C - Thead Size - 10mm thread
R - Construction - Resistor type
9 - Heat Rating - 9 (lower = hotter, higher = colder)
EH - Thread Reach - Partial thread
IX - Thread Reach - high performance iridium
9 - Wide Gap - 9 (.9mm)

6th gen - IMR9B-9H (standard iridium)

I - Plug Type - Iridium Platnium
M - Metal Shell Size - 10, 19mm (3/4") Reach, 16mm (5/8") hex
R - Construction - Resistor
9 - Heat Rating - 9
B - Firing end construction - Special Design
9 - Wide Gap - 9 (.9mm)
H - Feature - only had A-D listed. H????

2009 GSXR 750 should be.

NGK CR9EIA-9

http://www.ngksparkplugs.ca/documents/partnumberkey.pdf

07-24-2011, 07:11 PM	#17
Rangerscott Viff6N Mutated Warrior Join Date: Mar 2009 Location: Texas Moto: '01 Honda VFR 800 & '09 ER-6N Posts: 8,704	Did you not see my throttle body swap in this section? So here are the iridium spark plugs the 5th and 6th gen use. 5th gen - CR9EHIX-9 (not standard) C - Thead Size - 10mm thread R - Construction - Resistor type 9 - Heat Rating - 9 (lower = hotter, higher = colder) EH - Thread Reach - Partial thread IX - Thread Reach - high performance iridium 9 - Wide Gap - 9 (.9mm) 6th gen - IMR9B-9H (standard iridium) I - Plug Type - Iridium Platnium M - Metal Shell Size - 10, 19mm (3/4") Reach, 16mm (5/8") hex R - Construction - Resistor 9 - Heat Rating - 9 B - Firing end construction - Special Design 9 - Wide Gap - 9 (.9mm) H - Feature - only had A-D listed. H???? 2009 GSXR 750 should be. NGK CR9EIA-9 http://www.ngksparkplugs.ca/documents/partnumberkey.pdf Last edited by Rangerscott; 07-24-2011 at 07:24 PM..