ok,i got my o6wr450 all free mods done,spark arrestor screen gonetc been ridin it to work these last few days to jet it,its cold out. 30-40 degrees,sea level,100% humid. tried alot of combos. 48 pliot/blue#3/170/11/2 48/red#4/170/1 1/2 48/blue#4/170/1 1/2 45/blue#4/170 1 1/2 hers the deal.the last set pulls like a darn beast and whales but at cruise ing with throttle barely open it studders/probly less then 1/4 throttle.when pinned its a bullit,theres no backfire on decel,and only bogs a hair when ya wack the throttle at idle but bareley just bareley..its a but harder to start as well with the 45 then the 48 in it(understandable)when i richen it all up it runs crappy period. this is annoying as iam on the street,and its studers and hunts everytime there in every gear. anything to look for guys?or try..the airscrew? any recomaendations?iam wearing the screws out.