black spark plug

Started by serge163 , Mar 15 2012 02:25 PM

1 reply to this topic

  • serge163

Posted 15 March 2012 - 02:25 PM

#1

hey i have a yz 85 that i stored and i took all the gas out of the bike and let it sit for 3 months. then this week i put a ounce of octane booster in 1 gallon of gas, started my bike and the plug came out  black and kept fouling. last summer the plug looked fine so is my jetting off or do i need to get new gas. this is also my first time storing with a 2t. :thumbsup: thanks
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  • Blackwoodz

Posted 15 March 2012 - 02:38 PM

#2

ditch the octane booster and replace with fresh Sunoco 93
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