February 3, 201511 yr Hello again chaps, I know there is probably a post about this already!! But I'm just enquiring about spark plugs for my 159, just wanted to buy some more for spare plugs really, it's currently got a ngk bp6es in , I've heard about the iridium plugs and was thinking of getting a couple, but what is the one I want equivalent to the 6es plug, thanks guys
February 3, 201511 yr You can get either a BPR5EIX or a BPR6EIX. They only come in the resistor ones. Just chose whether you want a 5 or a 6. Have a look at a NGK site to work it out. I found a cross reference NGK site. Graham.
February 3, 201511 yr Trum, they are not cheap, but last a long long time. Do not be put off by resistor plugs as experience speaks well. Thanks Graham! How did your last contest go Trum? Larry
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