Linhai ATV 260 Service Manual page 296

CHAPTER 8 ELECTRICAL
8.3 IGNITION SYSTEM
IGNITION SYSTEM TROUBLESHOOTING
No Spark, Weak or Intermittent Spark
Spark plug gap incorrect
Fouled spark plug
Faulty spark plug cap or poor connection to high tension lead
Related wiring loose, disconnected, shorted, or corroded
Engine stop switch or ignition switch faulty
Terminal board or connections wet, corroded
Poor ignition coil ground (e.g. coil mount loose or corroded)
Faulty stator (measure resistance of all ignition related windings)
Incorrect wiring (inspect color coding in connectors etc. )
Faulty ignition coil winding (measure resistance of primary and secondary)
Worn magneto (RH) end crankshaft bearings
Sheared flywheel key
Flywheel loose or damaged
Trigger coil air gap too wide (where applicable) should be 0.030-0 .050" (0. 75-1.25 mm)
Excessive crankshaft run out on magneto (RH) end should not exceed 0.005"
(0.13mm)
Faulty CDI module
ATV SERVICE MANUAL 07.0
CHAPTER 8 ELECTRICAL PAGE.8- 7