Zerokool6t9
New member
I have a Ranger 487 VS 1996 with a 200hp 2003 Mercury Optimax.
I changed motor this season from a 150 merc to this 200hp
Optimax, the trim and psi are pegged all other gauges work.
Any suggestions on what to do?
I changed motor this season from a 150 merc to this 200hp
Optimax, the trim and psi are pegged all other gauges work.
Any suggestions on what to do?

