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Thanks for the input so far guys.

Being this is a points motor, is there any guideline as to the upper limit on RPMs are?


Being its not governed it will most likely rev higher, but what is...

Yes, I can understand that as a general rule to go by.

The issue with these motors is that they are of the same displacement with only minor internal changes between the 35 and 25/20.

The carb...

Yeah. I know from racing RC boats that the larger prop with less pitch will be more efficient and on a 16’ or larger boat glass boat would be the way to go due to the weight, but I feel the 14, tin...

I have two motors I’m tinkering with and I pulled down both lower units and found the 35 has much lower gearing than the 25.

The 35 is a 76 model and the 25 is an 84.

I want to use the 35 power...