Spark Plug Gap
05-29-2014, 07:53 PM
Join Date: Sep 2013
Location: ohio
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Spark Plug Gap
So i changed out my plugs and noticed they were gapped at .030. Checked with the Harley Dealer that had the bike before me and they told me the bike had the screaming eagle intake & pipes put on and then had the carb rejetted. Just wondering if the gap .040 is what i should put them at or keep .030?
05-29-2014, 08:07 PM
Join Date: Jun 2013
Location: MI
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.30 is too little. Put them at .40
05-29-2014, 10:45 PM
Join Date: Oct 2007
Location: USA
Posts: 2,114
yep, I gap mine @ .038 to .040
05-30-2014, 07:37 AM
Join Date: Nov 2007
Location: Magnolia, DE
Posts: 697
Quote:
Originally Posted by
Dusty Bones
.30 is too little. Put them at .40
Agreed. Re-gap them to .40
05-30-2014, 09:04 AM
Join Date: Aug 2012
Location: buffalo, NY
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Dealer and indy shop told me to gap at 0.42
05-30-2014, 10:29 AM
Join Date: Feb 2007
Location: Boynton Beach, FloriDuh
Posts: 16,320
The official HD spec is between .038" - .043"
05-30-2014, 09:27 PM
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Location: ohio
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Got them at .040 now. Just kinda weird seeing the old plugs at .030
05-31-2014, 10:21 AM
Join Date: Oct 2010
Location: east texas
Posts: 2,540
mfrs make sparkplugs with the same heatrange/thread length/etc.
in both standard , and wide gap. such as the -10 rating on NGK's= equal wide gap
example BR8HS standard gap, BR8HS-10 wide gap.
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