It is 115/1.
34:52 is the ratio of 34 and 52.
It is 125/115, which can be simplified if required.
It means , the ratio has to be calculated. The ratio is = 52 :35.
50 to 1 ratio
115 pounds is equal to about 52 kilograms.
I have a 1976 Johnson 115 and the ratio I use is 50 to 1. Rob, Dallas, TX.
If not using oil injection, the 115 hp Yamaha outboard will require a 50:1 ratio.
12/52 = 3/13
640/52 = 160/13
52;12
The ratio of 115 to 30 is ( 23/6 ).