Mira
24.05.2021 3:00:43
If you are experiencing ignition timing issues, this is most often due to a sheared flywheel key. You can also test the flywheel magnets for any potential issues. here
See full version: How to test and repair small engine ignition system problems
If you are experiencing ignition timing issues, this is most often due to a sheared flywheel key. You can also test the flywheel magnets for any potential issues. here
Testing the Coil or Armature [links]
Common Spark Plug Problems here
If the spark jumps the tester gap, your ignition coil is working fine. If not, it needs to be replaced. [links]
Small Engine Ignition Parts
If the engine is not connected to the equipment, make sure the stop switch wire is not grounded [links]
Because the ignition module is electronic and does not utilize moving components, it is normally one of the most reliable part of the engine. When it does fail, it is usually due to heat caused from improper wiring of the ground wire to battery voltage.
Be sure to unhook the coil from the equipment wiring harness as well as the engine's wiring harness and use the spark tester. Make sure the coil grounding lead is not shorting out against a piece of sheet metal
Remove the old ignition coil (armature) mounting screws more
Engine quits while running? Hook the tester up between the ignition cable and the spark plug and start the engine. When it stops, monitor the window.
Mower and engine model numbers have been added to my profile on the left. [links]
I performed the spark test as bert suggested using a tester with a large visible gap. During the test, both kill wires to the coils were disconnected, the other plug wire was connected to the plug. A spark jumped the gap during both tests and engine ran until shortly after I removed my foot from clutch/brake pedal. Spark was visible on both until engine shut down. (I don't yet understand what killed the engine, but that's a lesson for another day.) Correct me if I'm wrong, but I believe that I can conclude that the coils are fine. (I'm wondering if I should also do the spark test with the coil wire attached in different combinations.)
IF you suspect a coil problem, I suggest you disconnect the "Kill Wire" from the base of *both* coils and try the engine. There are more problems with this kill wire harness than with the coils which are very reliable.
You are not likely to find any help here without a model and type number for the engine. However, you local B&S Dealer will know what you need taking the old part in. more
IF you suspect a coil problem, I suggest you disconnect the "Kill Wire" from the base of *both* coils and try the engine. There are more problems with this kill wire harness than with the coils which are very reliable.
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