What sparkplugs for a 525 EFI?
#4
Originally Posted by GOODT
Ngk BPR6ES
Ngk BR9ECS
#6
Originally Posted by GOODT
according to the service manual for 525 efi That is the plug, it should also say on the top of the mtr
#7
Originally Posted by DRIVEN1
That is weird. The book that came with the boat from Mercury lists the other one. If that is the one that you recommend I will track those down. Thanks Mike
but thats out of the merc 525Efi service manual
#8
Originally Posted by GOODT
check the plate on top of the mtr and pull one thats in there to make sure,
but thats out of the merc 525Efi service manual
but thats out of the merc 525Efi service manual


