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Spark Plugs

The Honda CRF450 uses a NGK IFR8H11 or IFR9H11 spark plug gapped to 1.0 -1.1 mm or 0.039 – 0.043 in.

SAFETY FIRST: Protective gloves and eyewear are recommended at this point.

Removal

Remove the seat. See the Seat topic for more information.

Remove the fuel tank. See the Fuel Tank topic for more information.


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