Perform EFI conversion. These devices are elegant and well designed/manufactured. One caveat: there's a special "Crescent" wrench for tightening the nut that won't deform it (it's aluminum, after all!). Take it.
High Performance GOOFIT PZ19 Carburetor And Air Filter Kit For XR/CRF 50Cc-125Cc Moped ATV Taotao Sunl Kazuma
13 Review
Restore Your Diesel Engine Performance With Archoil AR6400-D Fuel System Cleaner
31 Review
Hy-Per Fuel Complete Gas System Cleaner By Rislone
24 Review
Lucas Oil Fuel Treatment Quart - Tan Color, 1QT Size
31 Review