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View Full Version : Fouled dpr9z plug snow riding



sc400ex_rider
03-12-2010, 08:03 AM
yep, prolly not recommended for winter. it snowed here and i just went for it. totally forgot about the 9z plug. the funny thing is i fouled it when i hit the rev limiter (stock) 3 times in a slide. next time i came to a stop it died out. wouldnt idle so i went home it was spitin and popin all the way. i put a new dpr8z back in it just in case its snows again. :D

F-16Guy
03-13-2010, 07:18 AM
It probably wasn't the plug. You probably either sucked some water into the airbox, or clogged the carb vent lines with snow/ice. If your jetting is close, one heat range colder plug shouldn't make much difference.