Spark Plugs
Cruiser
Joined: Feb 2008
Posts: 123
Likes: 0
From:
RE: Spark Plugs
I run the Autolites in my 98 LR and don't seem to be having any problems, not to mention my Wallyworld is only bout 4 blocks from my house and they are about $4 a pair. They also carry my oil filter for bout $6 but I think I will go back to the Wix I got at Oreilly's for $11 because it is twice as long and holds more oil. I live in the Dallas/Ft. Worth, Tx area and ride my bike all the time putting 60 to 80 miles a day on it. The extra oil just makes me feel betterbout riding in all the traffic we have here.
Cruiser
Joined: Jun 2007
Posts: 150
Likes: 0
From:
RE: Spark Plugs
I ran autolite in my 94 Heritage along with autolite in my 98 Classic. \\; Never had any problems with them or Bosch plugs. \\; one thing for sure, I will never run the Harley plugs again. \\; Had problems with them in both bikes. \\;
Advanced
Joined: Feb 2008
Posts: 55
Likes: 0
From: abercrombie north dakota
RE: Spark Plugs
NGK IRIDIUM BPR5EIX-11 for me.
20k miles and tips are clean and has never missed a beat, smaller tip platinum or iridium fire easier and adds life to the coils and wires. \\; Also the irid and plats are good for 100k.[8D]
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20k miles and tips are clean and has never missed a beat, smaller tip platinum or iridium fire easier and adds life to the coils and wires. \\; Also the irid and plats are good for 100k.[8D]
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Road Master
Joined: Jun 2006
Posts: 894
Likes: 6
RE: Spark Plugs
I just bought a pair of the Denso Iridium plugs. \\; The tip is even smaller than the NGK. \\; I've heard starting a cold bike is much easier with the Iridium plugs. \\; Any truth to this? \\; At 10 bucks a piece that's a heafty increase over \\;a $4 pair of Autolites. \\; Didn't have a problem with the cost, I've pissed away 20-bucks on a lot more stupid things in my life.
Stellar HDF Member
Joined: Feb 2007
Posts: 2,558
Likes: 280
From: Russellville, Arkansas
RE: Spark Plugs
There is no special sparkplug!! Some claim more h.p, Tq, improved fuel economy, and just more power period!
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About the only thing I noticed, is that SOME last longer than others. They do nothing else whatsoever other than they do one job only....and that is to SPARK!
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I've tried HD versions, Autolite, Champion(same as HD), NGK, Motorcraft, ACdelco, and so many others. They are all about the same.
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In my opionion, there is no need to spend big bucks on special sparkplugs.
 \\;
About the only thing I noticed, is that SOME last longer than others. They do nothing else whatsoever other than they do one job only....and that is to SPARK!
 \\;
I've tried HD versions, Autolite, Champion(same as HD), NGK, Motorcraft, ACdelco, and so many others. They are all about the same.
 \\;
In my opionion, there is no need to spend big bucks on special sparkplugs.
Advanced
Joined: May 2008
Posts: 63
Likes: 0
From:
RE: Spark Plugs
My '86 had autolight platnum 64s in it from the previous owner. I see that the bike is suppose to have 4265s in it. Anyone know the difference in the two plugs besides the 64s being one heat range colder?
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What's the 42 mean and why is the other plug only two numbers?
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 \\;
What's the 42 mean and why is the other plug only two numbers?
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robjohnston
Sportster Models
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Mar 10, 2007 12:49 PM
