RE: ys 53 bubbles
HI running time?I don't know.What do consider high time?I have owned the motor since new for approximetly 3 to 4 years with 20 to 30 flights a season.Does that give an idea.I love this little power house.Have had some good fun with it.I wil replumb this week and see what I come up with.Thx for your quick response!!
Ralph