Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 132Get this manual
v OPERATION
1DIGITAL CDIIGNITION SYSTEM
aDESCRIPTION
The Ignition Coil System with Digital CDI Unit controls ignition timing by determining the best ignition timing at any engine speed It also detects the fluctuation of engine speed to deliver optimum ignition timing for startability, idlin stability, output performance and emissionsThis system has no mechanical contact point, and requires no maintenance
bCONSTRUCTION
EXCITER COIL
FLYWHEEL
EMERGENCY STOP SWITCH
CAPACITOR ENGINEOIL PRESSURE SWITCH
IGNITION COIL WITH DIGITAL COl UNIT