SPARK PLUG CAP
1. Remove the spark plug. Check if the spark plug cap is broken. Replace if necessary.
2. Measure the resistance. If it’s out of specification, replace.
Spark plug cap resistance: 4.0～6.0kΩ
3. Install the spark plug cap
Turn it clockwise until it is tight.
FLYWHEEL MAINTENANCE
1. Use flywheel holder to remove the nut and starter pulley; use flywheel puller to remove
flywheel.
2. Check if the flywheel is damaged or the permanent magnet part is firm. Replace if necessary.
IGNITION COIL INSPECTION
1. Ignition coil peak voltage
① Remove spark plug cap.
② Disconnect ignition coil tip (W).
③ Measure the ignition coil peak voltage output by a digital universal meter and a peak voltage
adapter. If below specification, check the ignition coil.
Peak voltage output: 130V（1500 r/min）
Digital universal meter Peak voltage adapter
2. Ignition coil resistance
① Remove ignition coil and spark plug cap.
② Measure ignition coil resistance. If out of specification, replace it.
Resistance: 0.7～0.96Ω (Tester (+) pole: white wire; Tester (-) pole: black wire)
11.6～7.0kΩ (Tester (+) pole: white wire; Tester (-) pole: high-voltage wire)
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