Stihl TS 420 - 4.5 Carburetor

13TS 410, TS 420
Problem Cause Remedy
No spark Spark plug defective Replace spark plug
Faulty insulation or short circuit in
short circuit wire or short circuit
switch
Check short circuit wire and switch,
replace switch if necessary
Break or damaged insulation in
ignition lead
Check ignition lead, replace if
necessary
Ignition module defective Replace ignition module