Spark plug – SM 170i


Remove the spark plug and clean it. According to the maintenance schedule by using a small wire brush scrub clean.


Standard spark plug CPR6E
Standard spark plug (NGK) CPR6EA9


① Insulation prevents leakage of electric current.

② Spark plug gap distance.



The standard value of the spark plug gap distance is 0.6 – 0.7 mm.



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