My 03 rincon has a sfift problem after riding 45min come to a stop i push the throtle slightly and the eng speeds up but the bike does not move you push the gas alittle more it jumps foward this hapens in rev. to.It reves up from idle speed to about 1300rpm Ihave 125miles .what do you think Thanks !

 

Check your oil Trog.
Mine did that when it was new.
We topped off the oil and it hasn't done it since.