2004-2009 Suzuki LT-Z250 Service Manual, Page 243Get this manual
ELECTRICAL SYSTEM
IGNITION COIL RESISTANCE Disconnect the ignition coil lead wires and spark plug capMeasure the ignition coil resistance in both the primary and secondary windings using the multi circuit testerIf the resistance in both the primary and secondary windings is close to the specified values, the windings are in sound condition
# Ignition coil resistance Primary0.05 1.0 (+ TerminalTerminal) Secondary10.5 19.0 (Spark plug capTerminal)09900-25008: Multi circuit tester setTester knob indication: Resistance ()