Home › Forum › Ask A Member › Fuel:Oil Ratios › Re: Fuel:Oil Ratios
March 4, 2018 at 12:20 pm
#71946
Agreed, stay with 16/1 on the TD and HD motors. Both have a rotary valve built in to the crankcase that needs the extra lubrication. If you run them on 50/1, it will ruin them. I don’t know on the Spirit engine.