what year is my motor

[twczap]

Hi, I've just purchased a boat that has a mercury thunderbolt 1150 115hp, but i don't know the year. The serial # it has is 3475709. Hope someone can help me out.<br /><br /> Thanks tech5

 

[Barnacle_Bill]

Re: what year is my motor

1972, in-line 6

 

[twczap]

Re: what year is my motor

Thanks a bunch