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Question about 25 to 35 models

W

wavewalker

New member
Was wondering when the 25 to 3

Was wondering when the 25 to 35 outboards 2cyl went to thru hub exhaaust. Also block interchanability of those 2cyl engines and are they really just all detuned 35's?
 
"I think 25 and 35 shared the

"I think 25 and 35 shared the same block from 1978-84.
In 1985 the 25 went thru hub and the 35 became a 30.
20, 25, 30 shared the same gearcase from that point."
 
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