what spark plug and gap?

[canman]

hi everyone , I just bought a 1996 125 hp merc, I want to put new plugs in it and add some sea foam in the tank, do you know what plug it takes and what to gap the plugs at ? thankyou .

 

[60sboater]

What is the serial number?

 

[canman]

What is the serial number?

hello, the serial number is OG301932. thankyou.

 

[60sboater]

NGK BP8H-N-10 is what I found on another site but gap was not stated.