02-11-2012, 04:37 PM
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Junior Member
Join Date: Feb 2012
Location: Texas
Posts: 3
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Spark Plug Heat Range
Has any one tried using the NGK DR9EA spark plug. I have to pretty much flog my bike on a large portion of my commute with plenty of near WOT operation I'm concerned the WOT may be in effect leaning me out. The DR8EA looks pretty good but shows where it may have been too hot. Will the colder plug help reduce the engine heat soak.
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