065 Mercury

[kickinchicken]

I just got a 065 mercury and need help identify the year and proper spark plugs<br />Serial No. 2017887<br />Can someone please tell me the year and what is the correct spark plug for this motor!<br />Thanks in advance!

 

[Just Jed]

Re: 065 Mercury

looks like you have a late 1966 4cyl 650 (65hp).<br />If that is correct then proper plug is NGK B7S

 

[rickdb1boat]

Re: 065 Mercury

1964 it is<br /><br />NGK B7S Gapped at .025.