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5-7 5 Electrical Specifications (570 cc) NOTE: The ignition system is a Normally Open Ignition (NOI). * Timing to be checked only with the engine at normal operating temperature. ** Engine RPM is approximate. Tests were made by pulling the recoil starter rope briskly, not with the engine running. NOTE: Lighting coil output is unregulated voltage. Description Resistance Test Test Value + Test Connections - Ignition Coil Primary 0.25-0.34 ohm 6800-10,200 ohms orange high tension wire black high tension wire Charge Coil (1) 12-18 ohms black/red green/red Charge Coil (2) 12-18 ohms brown/white green/red Ignition Timing Sensor 148-222 ohms green/white brown Lighting Coil 0.12-0.18 ohm yellow yellow Spark-Plug Cap 4000-6000 ohms cap end cap end Description Test Value + Test Connections - Voltage Regulator 11-13 AC volts @ 2500-2700 RPM yellow brown Low Oil-Light Sending Unit Less than 1 ohm (float end down) terminal terminal Ignition Switch Less than 1 ohm (key in OFF position) terminal terminal Description Peak Voltage Test RPM** 2000** Primary Coil 185-204V Secondary Coil 100-110V Charge Coil (1) 69-76V Charge Coil (2) 79-87V Lighting Coil 7.0-7.7V Description Standard Ignition Timing* 18° BTDC @ 2000 RPM 2.049 mm (0.081 in.) Lighting Coil Output 12V/210W Ignition Type CDI/NOI (Normally Open Ignition) Spark Plug NGKBR9EYA Spark-Plug Gap 0.7-0.8 mm (0.028-0.031 in.) |