[Grumpy52v]

When ever I kick over my daughters bike it was sticking and took a strong leg to get past it. My daughter could net even start her bike. When I tore down the engine I found that the intake valve is hitting the piston. What are some of the things that can cause this. I am leaning towards getting the valves redone but want to make sure that there is not anything else that I am missing. Also the other intake valve needed to be reshimmed, I couldn't even get a .001 shim in there. The one hitting was shimmed to spec. Don't know if that helps people answer my question or not.

I am new so hopefully these pics work.

[124]

If the intake valve is hitting the piston, either your timing is off or the wrong piston was installed. It sounds like your are due for some headwork. At a minimum changing the valve that has interference.

[Grumpy52v]

The bike would run, just hard to kick because the valve is hitting the piston. If the timing was off it would not start correct?