i recently rebuilt the top on my 01 blaster it was bored .50 i went to .70 now its bogging in low mid kinda but comes to life in the powerband,i've looked for air leeks cant find any, i've changed the pilot jet from a 32.5 to 40 changes the main jet 10 times atleast. i'm a rookie at working on sh*t i'm just lost.help please