Search results

The 30's have 1.85 gears instead of 2.08, so that will help if it is a detuned 30. I still may need to step up to a 12p to reach 30mph (my self set goal). It was honestly more than I wanted to pay for an outboard of that age, but it was the only 25hp within 3 hours of me listed, and he had...

Model is 25SJ. Couldn't pull the cowling with it in the trunk of my car at work.

I can get the model number after work. I had the top off when I bought it, and am 90% certain it was 2 cylinder, single carb.

I just picked up an 86 Yamaha 25 for my Waco 14' jon boat. I can't find any info online for the 25's Yamaha made prior to 1988. It came with a new prop on it, but it's only a 10.5p. Assuming the max rpm, and gear ratio on the 86 is the same as the 88 (5500rpm and 2.08), I calculated a top...