525 maintenance
#5
Platinum Member
Platinum Member
iTrader: (6)
Mercury will never put anything in writing pertaining to their weak valve train components in the 525.........lifters, springs and rockers........just like not admitting to the vapor lock issues on the 502 mpi, but they have a kit to fix it......
The following 4 users liked this post by F-2 Speedy:
#8
Charter Member # 55
Charter Member
Your best bet would be to buy the Mercury Service manual for the 525EFI.
I highly doubt you will find any official Merc service recommendations based on # of hours for anything internal on a 525EFI.
I highly doubt you will find any official Merc service recommendations based on # of hours for anything internal on a 525EFI.