Yamaha encourages all owners of F2.5A or F4B or F5A or F6C outboards to visit their Yamaha outboard dealer for replacement of the fuel filler cap.
The fuel filler cap may leak due to a material defect. Especially if the outboard motor is carried or stored horizontally. The fuel filler cap must be replaced. Replacement is free of charge. Only outboards with the serial numbers listed here are affected:
Model: F2.5A
Model code: 69M
Serial number range (from-to):
Model: F4B
Model code: 6BV
Serial number range (from-to):
Model: F5A
Model code: 6BW
Serial number range (from-to):
Model: F6C
Model code: 6BX
Serial number range (from-to):