TOP 6 Reasons That Generators Won’t Start
Generator won’t start? This blog provides information on how to troubleshoot a generator and the most likely defective parts associated with this problem.
If your generators won’t start, here are the top 6 most portable causes.
1. Defective Spark Plug
Due to carbon buildup and a weakened electrode, the spark plug will degrade over time. You should inspect the spark plug for damage or wear, you can also use an ignition tester to help determine if the spark plug is defective. As a general guideline, we recommend replacing the spark plug once a year.
2. Restricted Carburetor
The residue that results from old fuel being left in the tank can create a restriction in the carburetor. This is why you should always use fresh fuel when filling the tank and a fuel stabilizer to help maintain the quality of the fuel. You can try to clean the carburetor with carb cleaner to eliminate the clog. If cleaning is not effective, you can often purchase a carburetor repair kit to replace some of the components or install a new carburetor altogether.
3. Defective Ignition Coil
The ignition coil sends voltage to the spark plug when the engine is running. A defective ignition coil may prevent the engine from starting. With the spark plug, you can use an ignition tester to test the coil to determine if the component has failed.
4. Malfunctioning Recoil Starter
The recoil starter engages the crankshaft to turn over the engine, a malfunctioning recoil starter may not engage the crankshaft correctly. When the rope is pulled, tabs extending from the pulley and cam should grab the hub of the engine causing it to turn. When the rope is released, the tab should retract as the rope rewinds onto the pulley. If the assembly appears damaged or does not function properly, you should replace it with a new one.
5. Faulty Switch
The start swith or safety swith could also be faulty. You can use a multimeter to test the switches for contimuity. A continuous electrical path is present in the part. The switches should test positive for continuity in the on postition and negative in the off position.
6. Broken Flywheel Key
The flywheel key is a small metal piece which fits into the crankshaft and engages with the flywheel. If the generator’s engine stops suddenly, the flywheel key may break in half to prevent damage to the engine. If this happens, you need to replace the broken flywheel key with a new one before the engine can be restarted.
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