1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 69Get this manual
ENGINE CONTROL SYSTEM 3-14 FUEL INJECTION TIMING CHART
BTDC 65 on #1 exhaust stroke
120 120 120 120 60
CKP Sensor Signal CKP Sensor Signal CKP Sensor Signal CMP Sensor Signal #1 Injection Signal
ON OFF InCmTDC EpExTDC InCmTDC EpExTDC InCmTDC EpEx30
BTDC 545 on #1 exhaust stroke
Injection time duration
#3 Injection Signal