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Home >> Mazda >> 2004 >> RX-8 1.3 3 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition System >> Spark Plug Inspection >> Plug Gap Inspection
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Plug Gap Inspection

CAUTION:
  • To avoid possible damage to the tip, do not adjust the plug gap.
  • To prevent damaging the tip, use wire type plug gap gauge when inspecting the plug gap.
  1. Measure the spark plug gap using wire type plug gap gauge. If it is more than the maximum specification, replace the spark plug.

    Standard plug gap 1.15-1.25 mm {0.046-0.049 in}

    Maximum plug gap 

    Leading side: 1.5 mm {0.059 in} 

    Trailing side: 1.4 mm {0.055 in}