SPARK PLUG CAP
1. Remove the spark plug cap. Check if the spark plug cap is broken. Replace if necessary.
2. Install the spark plug cap.
Turn it clockwise until it is tight.
FLYWHEEL MAINTENANCE
1. Use flywheel gripper to remove the nut and starter bush; use flywheel puller to remove flywheel.
2. Check if the flywheel is damaged or the permanent magnet part is firm. Replace if necessary.
CDI INSPECTION
CDI PEAK VOLTAGE
Use the digital circuit tester and peak voltage adaptor to measure CDI peak voltage. If below the
specification, check the lead wire and measure the impulse and peak voltage output of the charge coil.
Digital circuit tester Peak voltage adaptor
Start (load)
155V
1500r/min
170 V
CDI peak voltage
output
3500r/min
170 V
NOTE:
If the impulse and peak voltage output of the charge coil are just same as or above the specification, and
the CDI peak voltage output is below the specification, replace the CDI.
IGNITION COIL INSPECTION
1. Remove the ignition coil and spark plug cap.
2. Measure ignition coil resistance. Replace if out of the specification.
Resistance: 0.16～0.25Ω (Tester (+) pole: orange wire; Tester (-) pole: black wire)
3.92～6.65kΩ (Tester (+) pole: orange wire; Tester (-) pole: high-voltage wire)
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