1977 70 hp Evinrude

[stevedavis183]

i would like to bore it out to a 80 or 90 hp cubic inch. would that work. If not any suggestions thanks

 

[DJ]

Re: 1977 70 hp Evinrude

No.

The "triples" never put out 80-90 HP. You had to go to a V-4 to get that HP.