Any one using different to OEM sparkplug?

2 replies to this topic
  • Matty05

Posted October 10, 2005 - 03:05 AM


I know good plugs can make a big difference and was just wondering what alternatives others are using for our bikes.

Anyone experimented with different heat ranges?

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  • Brettv

Posted October 10, 2005 - 03:42 AM


havnt tried diff heat ranges, but have used a splitfire, which was good
and now using a NGK iridium, (CR8EIX) seems to go alright, paid about $16 from bursons

  • Indy_WR450

Posted October 10, 2005 - 04:04 AM


My buddy NCMountainman is using a CR9EIX cooler plug in his YZ450. Seems to work very well. He says the motor runs a little cooler in race conditions. He has not had trouble starting or fouling. :banghead:


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