Introduction
Replacing the spark plugs on this model is simple and requires little equipment. It is best to do it with a cold engine (to avoid burning yourself) but can be done with a warm engine. Allow 10 minutes to do this replacement.
Parts
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Using a T30 Torx bit, unscrew the two screws holding the ignition coil unit (red circles). There is no need to disconnect the connectors (yellow circle)
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Remove the ignition unit vertically and lay it down without putting tension on the connections
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Using a 16mm spark plug wrench, remove the 4 spark plugs
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Compare the used spark plugs (in the red rectangle) and the new spark plugs (in the blue rectangle). The length and thread must be the same
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Insert a new spark plug into the key. The washer at the end of the spark plug remains on it.
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Screw the new spark plug into place of the old one. Take care to insert it without forcing the thread.
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Tighten the new spark plug (to the correct torque if possible with a torque wrench and 16mm socket)
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Repeat these steps for the other 3 candles
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Replace the ignition unit by pushing the coils into the spark plug holes
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Tighten the two screws with the Torx bit
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Close the ignition cover
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