Reply To: Lower Units ID

[Buccaneer]

outboardnut wrote:

Somebody please correct me if I am wrong
I’m thinking since the prop shaft is threaded- it a 1956 and under
I’m thinking since it takes a long bolt in the rear-its a 1955 and above
So its a 1955 or 1956
I’m also thinking that inside it has a short pinion gear
I believe 1957 was the first year of the longer pinion gear
Just my opinion

I don’t have any pre- 1957 parts diagrams to compare the differences.
That being said, is there any problems using a 1955 – 56 gear case
on a 1957 Big Twin?

Prepare to be boarded!