OEM spark plugs to replace the fouled ones in your KRX. Unfortunately if you don't warm your rig up properly each time you crank it, the plugs will foul and leave you scratching your head. Don't be fooled by the fake ones on Amazon or Ebay, these are direct from NGK. Comes in pairs!
OEM KRX 1000 Spark Plugs (2) - SILMAR9F9