Check stop switch wire and switch
SOURCE: homelite ut08107 will not fire. no spark at plug.
It may be the coil if there is not any spark. Or a wire could off at the coil. One more thing it could be is the spark plug wire may have came loose from the coil. These a few thing to check.
SOURCE: my homelite trim n edger
Hi cookinmechan. I will try to help out. Did you check the air filter to be sure it is clean? It could be the fuel tank vent that is located in the tank cap. Air should be able to go in and nothing should be able to come out, making it difficult for the carb fuel pump to bring the fuel to carb. Check the fuel lines for any cracks or degragation that could be plugging them. The carburator might need cleaning and new carb kit. There is a fine mesh filter in the carb that needs to be cleaned or replaced. That is a common problem with this type of carb. There could also be an air leak so you might want to check the screws and bolts for proper torque to make sure that doesn't happen. Is there a primer on the carb? Make sure it is working and hasn't come hard so that it doesn't pump enough gas to help start engine. Something that most people and some mechanics don't look at is carbon build up in the exhaust port making it difficult for exhaust. Remove the muffler and look for carbon build up. Sometimes there is not much of an opening for proper exhaust. To clean, bring piston to top dead center and get a piece of wood or plastic to scrape out carbon. Do not use any type of metal so no damage is done to piston or cylinder wall. I hope this helps you out a bit. All the best and good luck. Questions welcome.
check the small wire coming out from the coil first as it is the earth wire that you short out to stop the motor
check the switch first
there is not much to go wrong with a coil
to remove the nut use an impact wrench and puller (if necessary)
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