1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 361Get this manual
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13-25 DF40DF50 "K1" (01) model
#2 Ignition signal
CmTDC Ep: Explosion,
In: Intake, Cm: Compression,
Ex: Exhaust,
TDCTop Dead Center