i have this 00katana 600 i did pretty much everything oil change,tuneup,clean carb drain float,prime tank,new gas,clean peacock, adjust the clucth slack..lube all the cable.. adjust the idle.. okey this the problem the idle bounce little, and try to adjust synchn the screw wit out no vacuum gauge, now everytime i rev it up to 5000,6000 rpm the bike feel like is not giving enought power feel like is laging some how i dont kno why. the no vacum leak .. i think.. it run okey but everytime i rev up high rpm dont feel no power.. thnk for ur time.. thnk..