1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 327Get this manual
12-9 DF40DF50 "Y" (00) model
ENGINE CONTROL SYSTEM
ENGINE CONTROL MODULE
The fuel injection timing has been modified from the "Y" (00) modelThe fuel injection will be started at BTDC 420 on exhaust stroke as shown in the chart below
FUEL INJECTION TIMING CHART
BTDC 65 on #1 exhaust stroke 120 120 120 120 CKP Sensor Signal CKP Sensor Signal CKP Sensor Signal CMP Sensor Signal 30 BTDC 420 on #1 exhaust stroke ON OFF InCmTDC #3 Injection Signal ExTDC #2 Injection Signal CmTDC EpExTDC InCmTDC EpExTDC InCmTDC EpExTDC InInCmTDC EpExTDC InCmTDC EpExTDC InCmTDC EpEpExTDC InCmTDC EpExTDC InCmTDC EpExInjection time duration 60