Yamaha 55DEHD Service Manual

Also see for 55DEHD: Rigging guide Rigging guide

NOTE:Remove the all spark plug caps, when mea-suring the CDI unit peak voltage at loadedengine cranking.6885J11 8-6987654321Ignition and ignition control systemChecking the CDI unitNOTE:Be sure to install the test propeller beforechecking the peak voltage.1. Remove the cover.2. Connect the digital circuit tester withpeak voltage adapter B to the ignition coillead and the ground.3. Measure the CDI unit output peak volt-age. If less than specification, measurethe charge coil output peak voltage.Replace the CDI unit if the output peakvoltage of the charge coil is more thanspecification.Test propeller: 90890-01620123BBB/WB/WBBBB/WB/WB/WB/WB/WB/WB/WB/WB/WB/WB/WB/WB/W6888001068880080CDI unit output peak voltage:z Black/white (B/W)–Ground (B)x Black/white (B/W)–Ground (B)c Black/white (B/W)–Ground (B)r/min LoadedCranking 1,500 3,500DC V 130 150 150