Spark Plug Inspection and Replacement
!
WARNING
Damaged spark plug boots may emit sparks that can ignite fuel vapors under
the engine cowl, resulting in serious injury or death from a fire or explosion.
To avoid damaging the spark plug boots, do not use any sharp object or
metal tool to remove the spark plug boots.
1. Loosen the hoses from the expansion chamber. Remove the six nuts that
secure the expansion chamber. Remove the expansion chamber.
a - Expansion chamber
2. Open J‑clips to move fuel/air lines out of the way.
3. Remove the spark plug leads by twisting the rubber boots while pulling
them off the spark plugs.
4. Remove the spark plugs. Replace the spark plug if the electrode is worn;
the insulator is rough, cracked, broken, or blistered; or if the precious
metal is not visible on the spark plug electrode.
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