Change out the coil. But check to see that the wire going from the coil to the switch is not grounded out prior to the switch. Turn switch in off position and have coil unplugged to test for continuity should be none. Flip switch to run and you should have continuity now. EBay $135.00 + shipping for a coil. Get yourself a T27 long reach screw driver for the bolts needed to take off. remove air filter and housing. remove starter recoil. remove sparkplug wire. cover around sparkplug 3 T27 screws 2 tward the carb side and 1 on the flywheel; side toward muffler, then lift off. coil 2 screws and wire for grounding the coil(stop the saw) has a spade connector disconnect. replace coil and put back together in reverse. Oh by the way you should have a pretty strong magnet in the flywheel if not your have to purchase a flywheel too or re-induce magnetism to it. Coil to flywheel Gap ? aprox .020 gap should work its about the standad for all 2 strokes but you will need brass feeler gauges because you set it at the magnet on the flywheel to the iron part of the coil sticking out of the plastic coil case.
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Change out the coil. But check to see that the wire going from the coil to the switch is not grounded out prior to the switch. Turn switch in off position and have coil unplugged to test for continuity should be none. Flip switch to run and you should have continuity now. EBay $135.00 + shipping for a coil. Get yourself a T27 long reach screw driver for the bolts needed to take off. remove air filter and housing. remove starter recoil. remove sparkplug wire. cover around sparkplug 3 T27 screws 2 tward the carb side and 1 on the flywheel; side toward muffler, then lift off. coil 2 screws and wire for grounding the coil(stop the saw) has a spade connector disconnect. replace coil and put back together in reverse. Oh by the way you should have a pretty strong magnet in the flywheel if not your have to purchase a flywheel too or re-induce magnetism to it. Coil to flywheel Gap
? aprox .020 gap should work its about the standad for all 2 strokes but you will need brass feeler gauges because you set it at the magnet on the flywheel to the iron part of the coil sticking out of the plastic coil case.