Home › Forum › Ask A Member › Majestic 7.8hp in need of…. › Re: Majestic 7.8hp in need of….

#12944
mercuryman
Participant

    I have a 1956 7.8 Majestic and I used a Sierra 18-3008, it was a little fat and I sanded it some. Also you need to drill a hole for the pin that goes through the shaft. When I got through it pumped real good and I got 18.3 MPH on my test run.