Cleaning Spark Plug And Adjusting Electrode Gap

CAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine, components, and fluids are hot if the engine has been running. Allow the engine to cool before servicing or working near the engine and components.

1. 
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   Disconnect plug wire (A) and remove plug.

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2. Thoroughly clean plug using high flash-point solvent and wire brush.

3. Inspect plug for cracked porcelain, pitted or damaged electrodes, or other damage.

4. NOTE: In Canada, replace plug with a resistor plug.

   Replace plug if necessary.

5. 
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   Check plug gap (B) with a round wire-type feeler gauge.

   1. Gap must meet specifications.

      Item	Measurement	Specification
      Spark Plug	Gap	0.028 - 0.031 in. (0.7 - 0.8 mm)

   2. Change gap by moving only the outer electrode toward center electrode.

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6. Install and tighten plug to specifications.

   Item	Measurement	Specification
   Spark Plug	Torque	13 lb.-ft. (18 N·m)

7. Connect spark plug wire.