03-14-2011, 10:45 AM #1
NGK LFR6AIX-11 Iridium IX Spark Plug 09 fx cruiser sho?
Attachment 232301Has anyone tried different plugs in their FX SHO?
the stock plug is the LFR6, so is it safe to use a better plug from the same NGK manufacturer? I was thinking of these:
NGK (6619) LFR6AIX-11 Iridium IX Spark Plug
Last edited by DrWeaseL; 03-14-2011 at 10:50 AM. Reason: picture issues
03-14-2011, 02:40 PM #2
- Join Date
- Mar 2010
- the moon
im certain some people have used them with ok results.. guessing they are not cheap tho..
03-14-2011, 02:44 PM #3
I used to use the Denso Iridium plugs on my seadoo's and went back to the stock NGK's. There was no benefit to using the Iridiums and I didn't get longer life out of them.
03-22-2011, 08:17 PM #4
Excellent, thanks so much for the response!
Have you by chance used that lucas oil fuel conditioner? i use that in my truck and get about 2mpg more and i wrote the company and they assured me that it would not harm and would actually increase my engine life of the yamaha!
03-22-2011, 10:11 PM #5
I am using the lucas as a top end lube on my FX140 MR1 engine.
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