Thanks guys for pointing me to valve overlap. I read up on this, and from that I was able to figure out the cam. There is a little notch that keeps the exhaust valve briefly open at the start of the intake stroke, which creates the point of overlap. The marks on the cam also make sense when I...
Indeed this is a lesson learnt.. although I guess now I will have to think about the theory of each of the 4 strokes, and figure out the position of the valves at TDC/BDC.. and if I come close to correct the marks on that cam gear should mean something more obvious I hope :)
From what I think I...
Hello people. I have a 30cc OHV engine from a Stihl FS65-4 strimmer. On the inside of the plastic casing it says Honda G30, so I guess this is the model of Honda engine.
I have taken it apart for a learning experience. Everything seems in good order, so it is just a case of putting it back...
