hello everybody i picked up a 08kfx450r a month ago. love it! it out handels my trx400ex the 450r is stock "for now" & got a rt99, fci with box & a pc111 coming next week. my buddys & i ride trailes ,dunes . I have been riding quads for three years. I have a starting problem with the kfx i will get my multi-meter out & check the tps/ hope it's not the ecu? I will also check rollover sensor. I wouldn't have known with out everbodys help!! thanks everyone & I will keep in touch.