Is laying the spark plug on the engine block and operating the starter an adequate way to check ignition armature output?

Laying the spark plug on the engine block and operating the starter is not a safe or effective method for checking ignition armature output. The primary reason is that the spark plug needs to be properly connected to the ignition system to test the output effectively. When a spark plug is simply laid on the engine block, it may fail to create a proper ground connection, leading to inaccurate results.

Furthermore, this method poses safety risks, as there is a potential for electrical shock or sparking that can occur if there is a fault in the ignition system. Proper testing of ignition armature output should be conducted with appropriate tools, such as a multimeter or an ignition tester, which can provide accurate readings of voltage and spark quality. Thus, it’s essential to use suitable processes to ensure both safety and the integrity of the testing results.