Yamaha - F15/f20a owner's manual - LIT-18626-13-80 MerCruiser-5-0L-5-7L-MPI-Alpha-2023 it must be protected with

it must be protected with a 40-amp or 50-amp manual-reset circuit breaker on the positive lead to shield the motor from overcurrent spikes during heavy retrievals

Lower input set point (adjustable with MasterAdjust): 10V

across the serial number ranges listed above

but not anymore

and greater efficiency for heavy boats

Yamaha - F15/f20a owner's manual - LIT-18626-13-80 MerCruiser-5-0L-5-7L-MPI-Alpha-2023 it must be protected withLIT 18626 13 80 F15 F20A Owner's Manual WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.