Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 82Get this manual
ENGINE CONTROL SYSTEM
START-IN-GEAR PROTECTION SYSTEM
A switch to detect neutral gear position is located on the cylinder block (starboard side) and operated by the clutch control armThis ONOFF type switch is "ON" in neutral and "OFF" in forward or reverseOn starting the engine, the ECM detects the shift position using the neutral switchWhen the neutral switch is "OFF", the ECM does not provide injector operating signalThis neutral switch is also used to regulate the starter motor circuitThe engine will not start, even by emergency rope, with the shift in the forward or reverse positionSHIFT POSITION Neutral ForwardReverse NEUTRAL SWITCH ON OFF Fuel injector Yes No OPERATION Ignition Fuel pump Yes Yes Yes Yes Starter motor Yes No