Yamaha F150B Service Manual page 52

TECH
FEA
Normal group injection
Cylinder 1
Cylinder 3
Cylinder 4
Cylinder 2
Pulser coil signal 1
Pulser coil signal 2
Injection #1 and #4
Injection #2 and #3
A
Compression TDC
2-9
Technical features and description
Compression Combustion
Intake Compression
Exhaust Intake
Combustion Exhaust
BTDC70° BTDC10°
#1 and #4
BTDC70° BTDC10°
Exhaust
Combustion
Compression
Intake
BTDC70° BTDC10°
#1 and #4
#2 and #3
Intake Compression
Exhaust Intake
Combustion Exhaust
Compression Combustion
BTDC70° BTDC10°
BTDC70° BTDC10°
#2 and #3
#1 and #4
A