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Old Aug 9, 2013 | 02:39 AM
  #11  
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skully1200
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From: Bellefonte PA
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Originally Posted by btsom
How many miles on the plugs? I apparently don't ride mine hard enough either because in 10,000 miles my plugs would get dirty enough to misfire and fuel economy dropped off noticeably. Finally went to one heat range hotter plug and they stay much cleaner now and run properly for over 20,000 miles. If you want to go from cheap to expensive while throwing parts at it, plugs would be a good place to start. Or try disconnecting and reconnecting the rear fuel injector plug, then the spark plug if that doesn't fix it.
Right now these plugs probably have roughly 7,000 miles on them. I'm gonna check my plug wires over the weekend.
 
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