Spark plugs
11-03-2009, 10:19 AM
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Location: miami ,florida
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Spark plugs
At what interval or when should the spark plugs be changed because I bought my 2005 RoadKing Custom with 25k and now I have 29k
11-03-2009, 10:22 AM
Join Date: Jul 2006
Location: MA
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Manual says every 10k and that's when I change mine. I use the HD gold plugs but I know other guys that just use Autolites and they work fine too.
11-03-2009, 10:47 AM
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I change mine about every 10K and use the stock HD ones, no issues noted.
11-03-2009, 10:53 AM
Join Date: Nov 2007
Location: SoCal
Posts: 47,717
Stock plugs at every 10K. If you don't know when they were done last you might wanna put a couple in. Cheap and easy.
11-03-2009, 07:10 PM
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11-03-2009, 07:15 PM
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I run platinums and put 20-30k on them before swaps.
11-03-2009, 07:28 PM
Join Date: Nov 2007
Location: Texas
Posts: 10,787
I changed out the stock H-D plugs in my 02 Ultra at 20K. And the NEW ones performed just exactly as good as the OLD ones did !
11-03-2009, 07:50 PM
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HD original equipment plugs every 10K.
11-03-2009, 08:04 PM
Join Date: Nov 2007
Location: Iowa
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Ditto.
Quote:
Originally Posted by
will2002
I changed out the stock H-D plugs in my 02 Ultra at 20K. And the NEW ones performed just exactly as good as the OLD ones did !
11-04-2009, 12:42 AM
Join Date: May 2007
Location: Open Road, USA
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I bought my 05 with 22,000 on it and it now has 63,000 and still has the same plugs that was in it when I bought it. It starts and runs fine, great mileage. Why should I believe HD that I need to change them every 10K..
11-03-2009, 10:19 AM
Spark plugs
