Plugs for 1998 optimax 225 0G724343 ?
The manual calls for NGK PZFR5F-11 but the Mercury catalog calls for NGK IZFR5G.
Was this a substitution ?
Plugs for 1998 optimax 225 0G724343 ?
The manual calls for NGK PZFR5F-11 but the Mercury catalog calls for NGK IZFR5G.
Was this a substitution ?
Last edited by GarryGLW; 08-13-2017 at 10:43 AM.