3/4 of a bottle.Also how many of those jugs of coolant does the 125 take 2?
2 strokes do not share the transmission oil. Crank side is lubed by fuel/oil mix. Depending on where and how you ride, you could need a different flashpoint oil. They are different for different riding. Track low flash point, leisure, high flashpointYou use the liquid performance high performance racing coolant from RMATV? Now if I remember right the crankcase oil doesn’t reach the crankshaft right? The gas/oil mix cools and lubricates that right?