Try upgrading a few like, spark plug ngk b7hs10 and plug wire accell 8mm high supression and swap that fuel filter for a mr gasket fuel filter i use the glass see through one its cleanable , also the stock pipe sucks ass restricts too much like a cadconverter go with a expansion pipe with muffler if too loud and the carb is junk hard to plug up the air leaks up grade if possible if not use RTV gasket sealer everywhere it leaks like putting caulking in cracks, and a high compression head also i wish the best for you and your struggles,this is what I've done to improve my whip good luck bud