Re: 2003 Mercury 90/65 jet water impeller replacement help with removal and installat
A manual for yor motor and the instructions to replace the impeller can be found on page 507 of the online manual at; Boatinfo - Mercury Service Manual for 75--90-100-115-125 hp
It is about the same as doing a change out on a standard LU from the way it looks to me. JMO
Oldman570