Suitable for Stihl MS171 MS181 MS211 MS192C MS193T MS201T MS201TC MS201 MS201C MS251 Chainsaws. CMR6H Spark Plug for Stihl FC70 FC90 FS90 FS100 FS90R FS100R BR600 BR500 BR550. Model: CMR6H. Applies to all machine types.
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