Yamaha R6 Forum: YZF-R6 Forums banner
spark plug
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  1. Garage / Mechanical Help
    Just got this 04 R6 all stock with only around 10k miles. Bike has had poor maintenance from what I can tell. Problem is good power till around 6k rpm then starts sputtering until it sputters up to around 7.5k to 8k rpm then it gets all power back. When riding on city streets if I let rpms get...
  2. Spark Plug

    Old spark plug vs new spark plug
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