just bought a 2000 rm 250 about a week ago . bike is verry tight inside i would say fires up with 1 kick and lots of compression . mixing pump 93 gas with klotz l@ 32:1. on start up and until i pound it around for a while it smokes pretty bad then clears up. didnt have time to rip carb apart yet to find out what jetting it has.just one ? what jetting you guys run on say a 70 degree weather day thx.... :ride: :ride: :ride: