Stihl MS 181

13MS 171, MS 181, MS 211
Condition Cause Remedy
No spark Spark plug faulty Install new spark plug
Faulty insulation or short in short
circuit wire
Check short circuit wire for short
circuit to ground
Break in ignition lead or insulation
damaged
Check ignition lead, replace ignition
module if necessary
Ignition module faulty Install new ignition module
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