blaster starting hard after rebuild

Feb 19, 2012
133
2
57
37
springville ny
I just rebuild my engine since it was out and now i have to kick it about 8-10 times to get it to start could i have screwed something up? 1mm bored stock carb with jet kit, shaved head .020, psi racing pipe and k&n filter with modded box. Anybody know if this is normal?