I have a 02zx12 took it out for 1st time today only had about gallon of the old gas in it then i filled up to half tank with new, whn i parked it last year it ran great now after riding for 5min or so when u get into it around 7 8 grnd it loads up at full throttle if i half throttle it it will rev but full throttle it loads up. but while riding on the highway if i turn key off and back on for the first 5 min again it runs fine, wtf, i dont get it, nothing has been changed from last year same pc3r k&n filter and jardine exhaust . please help, Tim 443-306-0825 timtrees25@yahoo.com. Thank you

 

time to clean the fuel filter and the carbs. You could use the seafoam as well after changing out the fuel filter. Good luck