NGK NGK Laser Iridium Spark Plug P/N:91909
NGK 5068 spark plug for the 2012-2017 Honda CRF450X 449cc and other vehicles fires the spark that ignites the fuel mixture in the cylinder. NGK Laser Iridium plugs are engineered specifically for OE applications.
Hard starting, a misfire or rough running can come from a worn plug, but fuel or ignition faults produce those symptoms as well. Before replacing it, look over the old plug with the engine off and cool: check the electrodes for wear and the ceramic for cracks.
As a CRF450X spark plug it fits the 2005-2009 and 2012-2017 Honda CRF450X 449cc. It also fits the 2002-2008 Honda CRF450R 449cc and the 2004-2005 Honda TRX450R 450cc.
Fit and size
Build and materials
This listing holds one spark plug, and each listed engine takes one.
Interchange: IK01-24 · VK24PP-Z11 · VK24PR-Z11 · 31918-MEB-671
5616 · 5701 · IFR8H11
This part cross-references / interchanges with the following part numbers:
Is NGK 5068 the right CRF450R spark plug for the 2002-2008 Honda CRF450R 449cc?
Yes. NGK 5068 is listed for the 2002-2008 Honda CRF450R 449cc, and that engine takes one plug.
Is NGK 5068 a TRX450R spark plug for the 2004-2005 Honda TRX450R 450cc?
Yes, NGK 5068 is listed for the 2004-2005 Honda TRX450R 450cc, which takes one plug.
What sets NGK iridium spark plugs like this Laser Iridium one apart?
This plug has a fine wire iridium alloy center electrode. Iridium is six times as dense as platinum and has a very high melting point.
What thread size and hex do NGK spark plugs like the 5068 have?
NGK 5068 has an M14 - 1.25 thread and a 5/8 in (16 mm) hex.
Is IFR8H11 the same plug as the NGK 5068?
Yes. IFR8H11 is NGK's own part number for the plug sold here under stock number 5068.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.