2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 21Get this manual
Features and benefits Ignition and fuel injection timing Firing order#1, #2, #3, #4, #5, #6 Injection order#1 and #4 #2 and #5 #3 and #6 (group injection)
: Ignition sparkWasted spark
720 180 120
Crankshaft angle
Cylinder Cylinder #1 Ignition Injection
Intake Compression TDC Combustion Exhaust Compression TDC Combustion Exhaust Intake
Cylinder #2 Ignition Injection Cylinder #3 Ignition Injection Cylinder #4 Ignition Injection Cylinder #5 Ignition Injection Cylinder #6 Ignition Injection