Its Not A Trike But I Still Need Help

[leevarnado]

I Just Bought My Nephew A Yamaha Ttr 90 Dirtbike For Pocket Change.i Put New Rings And New Valves In It,but Now When I Go To Kick Start It,it Doesnt Turn The Motor Over,only Like Every 10 Kicks The Motor Will Turn Over.what Is Going With This Thing.

[peter250r]

sounds like the kickstarter gear isnt engaged in the engine properly.