Spark Plug Types

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Nov 26, 2006
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Hello all,
I use the standard NGK type BP7ES plugs in my Commando's.
Has anyone used the Iridium or Platinum versions and are they worth the extra cost?
 
Joined
Jun 14, 2007
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I have Denso iridium fine wires in my 73 850 right now. I had been having some fouling problems - combination of too rich and I think a bit of oil from the guides. These plugs haven't changed my mixture or replaced my guides - that's my job - but they've kept the bike running and it hasn't fouled a plug since.

Bottom line - I went out and put the same plugs in all 5 of my bikes (or NGK iridium fine wires, in the case of of my wife's Bonnie - Denso didn't seem to make a plug for that bike). 'Course, I'm a bit of a nut about this stuff...

FWIW.
 
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