2006 Honda TRX680 Rincon Factory Service Manual, Page 517Get this manual
IGNITION SYSTEM
SERVICE INFORMATION
GENERAL
Some electrical components may be damaged if terminals or connectors are connected or disconnected while the ignition switch is ON and current is presentWhen servicing the ignition system, always follow the steps in the troubleshooting table on page 21-4This ignition system is controlled by PCMThe ignition timing cannot be adjusted since the PCM is factory presetThe PCM may be damaged if droppedAlso, if the connector is disconnected when current is flowing, the excessive voltage may damage the PCMAlways turn off the ignition switch before servicingA faulty ignition system is often related to poor connectionsCheck those connections before proceedingMake sure the battery is adequately chargedUsing the starter motor with weak battery results in slower engine cranking speed as well as no spark at the spark plugThis vehicle's spark plug is equipped with iridium type electrodeDo not use any spark plug other than specifiedFor CKP sensor removalinstallation (page 11-9)For ignition switch servicing (page 23-6)For engine stop switch inspection (page 23-7)For gear position switch servicing (page 14-44)