40 to 50:1 with Yamalube
what is the oil gas mixture for a ysr50
Factory recommended 30:1 for normal oils, otherwise follow the oil maker's recommendations.
32:1 gas to oil mixture
The oil-to-gas ratio for a Yamaha 250 outboard motor typically requires a mixture of 50:1, meaning 50 parts gasoline to 1 part two-stroke oil. This equates to 2.6 ounces of oil per gallon of gasoline. Always refer to the owner's manual for the specific model, as recommendations may vary slightly.
20:1
50:1
The gas oil mixture for that sled is 24:1 according to the tag on my 79 srx.
the mixture is 50:1 I would use synthetic oil
32:1 with Yamalube 2r
32:1
50:1.
the safest mixture would be 32 to 1