To Next PageTo Next PageHow to test spark plug on KYMCO ZX?
To troubleshoot a hard-starting KYMCO Scooter, begin by removing the spark plug and installing it into the spark plug cap. Then, test for a spark by connecting it to the engine ground. This helps identify issues like a faulty, fouled CDI unit, or a weak spark related to a faulty A.C. generator, broken ignition coil, or shorted exciter coil.
Covers engine type, displacement, bore, stroke, and compression details.
Important safety and procedural guidelines for servicing.
Lists essential torque specifications for fasteners.
Diagnostic guide for common engine and system issues.
Routine inspection and maintenance intervals and procedures.
Procedures for inspecting brake shoes, drums, disks, and fluid.
Covers idle speed, air cleaner, and cylinder compression checks.
Procedures for removing, inspecting, and installing the oil pump.
Steps to bleed air from the oil pump and lines.
Step-by-step instructions for removing the engine from the frame.
Steps for reinstalling the engine and post-installation checks.
Procedures for removing, inspecting, and installing the cylinder head.
Steps for cylinder and piston removal, inspection, and installation.
Instructions for separating the crankcase halves.
Steps for removing and installing the crankshaft.
Procedures for brake fluid, caliper, disk, and master cylinder maintenance.
Removal, disassembly, assembly, and installation of front shock absorbers.
Steps for front fork removal, ball race replacement, and installation.
Procedures for rear brake disassembly, inspection, and assembly.
Removal, disassembly, assembly, and installation of rear shock absorbers.
Diagrams and checks for the A.C. generator and regulator/rectifier.
Procedures for battery removal, charging, and inspection.
Inspection of ignition coil, CDI unit, and pulser coil.
Troubleshooting and procedures for the starter motor and relay.
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