Thanks for all the feedback. Am currently working on my back up 10525 ...needs coil and carb work. Next on the list my new to me 10424 after spark plug / new fuel shutoff / drain tank / clean and sharpen blade and under deck / replace primer bulb....thank goodness for lots of spare parts! I need...
Just picked up a new to me 10424. Engine surges at mid to full power and will not idle. Is a carb rebuild in order? On a side note incorrect spark plug used and electrode was very black with engine smoking more than I am used to. Not sure what oil was used but going to drain the tank and use...