85 atc 250r with esr 310 kit 250r 310 Kit
drag racing at pismo. Trx250r 310 vs 310 racing Just picked up this 87 250r . Esr 310 kit with power valve setup TRX250R ESR 310 Derek Davis First Ride Walk Around ESR 310 Kit on an 86 Honda 250r. Banshee rider was letting off the gas a lot to keep the 250r in the video frame. Both machines were pretty evenly matched. Finally rebuilt the 310 engine. Installed the short track kit minus the short track triple thats for another day and the 2+ westcoast CT/Pro-X cylinders are the leading power producing upgrade currently available for Honda 250R engines. CT/Pro-X cylinders are available from 250cc to 410cc ( ...