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Old 06-29-2013, 05:47 PM   #36296
Wannabe Far-Rider
Joined: Jan 2008
Location: Fairbanks, AK
Oddometer: 2,993
Originally Posted by HardWorkingDog View Post
[warning: way too wordy. the tl;dr summary: replaced spark plug, added speedoDRD,
bike had major high rpm stutter about 10 miles later, but after stopping and turning back
seemed to run fine...any ideas???]

My guess is you got some anti seize or dielectric grease on the electrode of the spark plug. Once it burned off, it stopped causing an issue. Ran in to similar situations occasionally on my cars back when I still cared enough about 4 wheeled vehicles to wrench on them myself.
"We wish your trail a long one" - Darlene "Sid" Dowd ~ Never run out of traction, ideas, and real estate at the same time.
2008 Yamaha WR250X
Eastern TAT 8/2009 ~MD-Key West-Oklahoma 4/2011~Maryland to Alaska 3/2012
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