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Tecumseh Small Engine Won’T Start

LEV80-333002A

The 4 most common part(s) or condition(s) which cause the symptom Small engine won’t start are listed below starting with the most likely. Check or test each item and watch any available videos.

Grid is 1 inch square
Spark Plug - Part # 1863243 Mfg Part # 868

Spark Plug

RepairClinic Item # 1863243 Aftermarket (Non-OEM) part

If the small engine won't start the spark plug might be defective. All small engines have an ignition coil. The coil is the device that provides spark for the spark plug(s). If the coil is bad power won't get to the spark plug(s). The coil is essentially a small, induction generator. It is mounted next to the flywheel. The flywheel has one or more strong, embedded magnets. As the flywheel spins, the magnet(s) zip past the induction coil, this action of a magnet passing past a coil induces a voltage. Depending on the design of the coil and the strength of the magnets, a stronger or weaker spark can be created and delivered to the spark plug(s). Each time the flywheel spins around a spark is generated. The best way to test a spark plug is to use a spark plug tester. The spark plug should have a strong, visible spark between the electrodes when the engine is cranking. If it doesn't, replace it.

$1.90

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Ignition Coil - Part # 1719806 Mfg Part # 34443D

Ignition Coil

RepairClinic Item # 1719806

If the small engine won't start the ignition coil might be defective. All small engines have an ignition coil. The coil is the device that provides spark for the spark plug(s). If the coil is bad power won't get to the spark plug(s). The coil is essentially a small, induction generator. It is mounted next to the flywheel. The flywheel has one or more strong, embedded magnets. As the flywheel spins, the magnet(s) zip past the induction coil, this action of a magnet passing past a coil induces a voltage. Depending on the design of the coil and the strength of the magnets, a stronger or weaker spark can be created and delivered to the spark plug(s). Each time the flywheel spins around a spark is generated. The best way to test the ignition coil is to use a spark plug tester to see if the spark plug is getting a spark. If it is, the ignition coil is working properly.

$28.65

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Recoil Starter - Part # 1606503 Mfg Part # 590785

Recoil Starter

RepairClinic Item # 1606503

If the small engine won't start the recoil starter assembly might not be engaging with the crankshaft and turning over the engine. Remove the starter assembly to see if it is functioning properly.

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Flywheel Key - Part # 1604705 Mfg Part # 611004

Flywheel Key

RepairClinic Item # 1604705

If the small engine won't start the flywheel key might have sheared in half. The flywheel key is a small metal shim which fits into a slot in the crankshaft and engages with the flywheel. If the engine experiences a sudden stoppage it can cause the flywheel key to shear. The only way to know for sure if this is the problem is to remove the flywheel and inspect the flywheel key.

$0.95

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